IMMUNE RESPONSE CORP
10-Q, 1997-08-08
BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES)
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<PAGE>

                               UNITED STATES
                  SECURITIES AND EXCHANGE COMMISSION
                          WASHINGTON, DC 20549

                                 FORM 10-Q


(Mark One)
   
  / X /   QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
          SECURITIES EXCHANGE ACT OF 1934.

For the quarterly period ended June 30, 1997

                                     OR

 /   /    TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
          SECURITIES EXCHANGE ACT OF 1934.

For the transition period from              to
                              --------------  ----------------

Commission file number 0-18006
                       -------


                        THE IMMUNE RESPONSE CORPORATION
              (Exact Name of Registrant as Specified in its Charter)


         Delaware                              33-0255679
(State or Other Jurisdiction of    (IRS Employer Identification Number)
Incorporation or Organization)

                    5935 Darwin Court, Carlsbad, CA  92008
                   (Address of Principal Executive Offices)
                                  (Zip Code)


                          Telephone (760) 431-7080
             (Registrant's Telephone Number, Including Area Code)



       Indicate by check mark whether the Registrant (1) has filed all 
reports required to be filed by Section 13 or 15(d) of the Securities 
Exchange Act of 1934 during the preceding 12 months (or for such shorter 
period that the Registrant was required to file such reports), and (2) has 
been subject to such filing requirements for the past 90 days.
Yes  X    No ___

Indicate the number of shares outstanding of each of the Issuer's classes of 
common stock, as of the latest practicable date.

As of July 31, 1997, 22,411,100 shares of common stock were outstanding.

<PAGE>

                      THE IMMUNE RESPONSE CORPORATION

                                  FORM 10-Q

                              QUARTERLY REPORT

                             TABLE OF CONTENTS

                                                                    Page


                       PART I.  FINANCIAL INFORMATION


Item 1. Financial Statements

        Condensed Consolidated Balance Sheets                         3
        Condensed Consolidated Statements of Operations               4
        Condensed Consolidated Statements of Cash Flows               5
        Notes to Condensed Consolidated Financial Statements          6

Item 2. Management's Discussion and Analysis of Financial
        Condition and Results of Operations                           7



                         PART II.  OTHER INFORMATION


Item 2. Changes in Securities                                        14

Item 4. Submission of Matters to a Vote of Security Holders          14

Item 6. Exhibits and Reports on Form 8-K                             15


Signature                                                            16




                                 2

<PAGE>

Part I. Financial Information
Item 1. Financial Statements


                        THE IMMUNE RESPONSE CORPORATION

                     CONDENSED CONSOLIDATED BALANCE SHEETS

<TABLE>
<CAPTION>
                                                                                       JUNE 30,
                                                                                         1997        DECEMBER 31,
ASSETS                                                                               (UNAUDITED)         1996
- -------                                                                            --------------  --------------
<S>                                                                                 <C>             <C>
Current Assets:
  Cash and cash equivalents.......................................................  $    8,977,181  $    3,785,433
  Marketable securities-available-for-sale........................................      23,336,595      42,736,310
  Short-term investment...........................................................              --       1,265,000
  Notes receivable from related parties (Note 3)..................................      11,873,856              --
  Other current assets............................................................         551,855         679,847
                                                                                    --------------  --------------
    Total current assets..........................................................      44,739,487      48,466,590

Property and equipment, net.......................................................       7,097,809       5,570,378
Deposits and other assets.........................................................         271,092          49,016
                                                                                    --------------  --------------
                                                                                    $   52,108,388  $   54,085,984
                                                                                    --------------  --------------
                                                                                    --------------  --------------

LIABILITIES AND STOCKHOLDERS' EQUITY
Current Liabilities:
  Accounts payable................................................................  $    1,999,706  $    1,870,853
  Accrued expenses................................................................         533,738         497,671
  Deferred rent obligation........................................................         384,219         413,901
                                                                                    --------------  --------------
    Total current liabilities.....................................................       2,917,663       2,782,425
Stockholders' Equity:
  Common stock, $.0025 par value, 40,000,000 share authorized, 22,392,384 and
    20,229,719 shares issued and outstanding at June 30, 1997 and December 31,
    1996, respectively............................................................          55,981          50,574
  Warrants........................................................................       2,144,143              --
  Additional paid-in capital......................................................     184,923,898     171,055,691
  Unrealized gain (loss) on marketable securities.................................         (74,507)        139,976
  Accumulated deficit.............................................................    (137,858,790)   (119,942,682)
                                                                                    --------------  --------------
    Total stockholders' equity....................................................      49,190,725      51,303,559
                                                                                    --------------  --------------
                                                                                    $   52,108,388  $   54,085,984
                                                                                    --------------  --------------
                                                                                    --------------  --------------
</TABLE>
 
See accompanying notes.



                                       3

<PAGE>

                        THE IMMUNE RESPONSE CORPORATION

                CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
                                 (unaudited)

<TABLE>
<CAPTION>
                                                     THREE MONTHS ENDED JUNE 30,     SIX MONTHS ENDED JUNE 30,
                                                     ----------------------------  ------------------------------
<S>                                                  <C>            <C>            <C>             <C>
                                                         1997           1996            1997            1996
                                                     -------------  -------------  --------------  --------------
Contract research revenue..........................  $         --   $         --   $    1,000,000  $          --

Expenses:
  Research and development.........................      9,549,302      7,292,218      18,147,873      12,769,285
  General and administrative.......................      1,052,518      1,018,313       2,046,107       1,786,542
                                                     -------------  -------------  --------------  --------------
                                                        10,601,820      8,310,531      20,193,980      14,555,827
Other revenue:
  Investment income................................        669,035        579,067       1,277,872       1,323,399
                                                     -------------  -------------  --------------  --------------
Net loss...........................................  $  (9,932,785) $  (7,731,464) $  (17,916,108) $  (13,232,428)
                                                     -------------  -------------  --------------  --------------
                                                     -------------  -------------  --------------  --------------
Net loss per share (Note 2)........................  $       (0.45) $       (0.45) $        (0.85) $        (0.78)
                                                     -------------  -------------  --------------  --------------
                                                     -------------  -------------  --------------  --------------
Shares used in computing net loss per 
 share (Note 2)....................................     21,990,637     17,125,990      21,130,018      16,963,239
                                                     -------------  -------------  --------------  --------------
                                                     -------------  -------------  --------------  --------------
</TABLE>

See accompanying notes.

                                       4

<PAGE>

                        THE IMMUNE RESPONSE CORPORATION

                CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
                                  (UNAUDITED)

<TABLE>
<CAPTION>
                                                                                      SIX MONTHS ENDED JUNE 30,
                                                                                    ------------------------------
<S>                                                                                 <C>             <C>
                                                                                         1997            1996
                                                                                    --------------  --------------
Operating activities:
  Net loss........................................................................  $  (17,916,108) $  (13,232,428)
  Adjustments to reconcile net loss to net cash provided from (used by) operating
    activities:
      Depreciation and amortization...............................................         490,352         407,727
      Deferred rent expense.......................................................         (29,682)        (14,976)
      Changes in operating assets and liabilities:
        Other current assets......................................................         127,992         346,030
        Accounts payable..........................................................         128,853         669,940
        Accrued expenses..........................................................          36,067         131,169
                                                                                    --------------  --------------
          Net cash used by operating activities...................................     (17,162,526)    (11,692,538)

Investing activities:
  Liquidation of short-term investments, net......................................      20,450,232       9,531,388
  Purchase of property and equipment..............................................      (2,017,783)       (517,072)
  Deposits and other assets.......................................................        (222,076)       --
                                                                                    --------------  --------------
          Net cash provided from investing activities.............................      18,210,373       9,014,316

Financing activities:
  Net proceeds from sale of common stock and warrants (Note 3)....................      15,639,992       5,000,000
  Notes receivable from related parties (Note 3)..................................     (11,873,856)       --
  Net proceeds from exercise of stock options.....................................         377,765         510,709
                                                                                    --------------  --------------
          Net cash provided from financing activities.............................       4,143,901       5,510,709
                                                                                    --------------  --------------
Net increase in cash and cash equivalents.........................................       5,191,748       2,832,487
Cash and cash equivalents at beginning of period..................................       3,785,433       1,462,676
                                                                                    --------------  --------------
Cash and cash equivalents at end of period........................................  $    8,977,181  $    4,295,163
                                                                                    --------------  --------------
                                                                                    --------------  --------------
</TABLE>

See accompanying notes.

                                       5

<PAGE>

                 THE IMMUNE RESPONSE CORPORATION

      NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

                          June 30, 1997


1. Basis of Presentation
   The condensed consolidated financial statements of The Immune
   Response Corporation (the "Company") for the three and six month
   periods ended June 30, 1997 and 1996 are unaudited.  These
   financial statements reflect all adjustments, consisting of only
   normal recurring adjustments which, in the opinion of management,
   are necessary to fairly present the consolidated financial
   position as of June 30, 1997, and the consolidated results of
   operations for the three and six month periods ended June 30,
   1997 and 1996.  The results of operations for the six months
   ended June 30, 1997 are not necessarily indicative of the results
   to be expected for the year ended December 31, 1997.  For more
   complete financial information, these financial statements, and
   the notes thereto, should be read in conjunction with the
   consolidated audited financial statements for the year ended
   December 31, 1996 included in the Company's Form 10-K filed with
   the Securities and Exchange Commission.


2. Net Loss Per Share
   Net loss per share for the three and six month periods ended June
   30, 1997 and 1996 is computed using the weighted average number
   of common shares outstanding during the period.  

   In February 1997, the Financial Accounting Standards Board issued
   Statement of Financial Accounting Standards ("FAS") No. 128,
   "Earnings per Share."  The Company will be required to adopt
   these new rules effective December 15, 1997.  Management does not
   anticipate any impact resulting from the adoption of this new
   standard upon current or previously reported earnings per share.


3. Equity Transaction
   During the second quarter of 1997, the Company completed a $16
   million private placement of units consisting of common stock and
   warrants to purchase common stock of the Company.  These units
   were separately purchased at a price of $7.80 per unit by Kevin
   B. Kimberlin, a director of the Company, and Dennis J. Carlo,
   Ph.D., a director and president and chief executive officer of
   the Company.  The units sold in the private placement consisted
   of 2,051,281 shares of common stock plus warrants exercisable for
   2,051,281 shares of common stock.  The warrants have a four year
   term.  The warrants, with an exercise price of $14 per share, are
   callable by the Company if the stock trades at $28 per share or
   greater for 45 consecutive days.  The terms of the agreements
   included an initial downpayment of $4,126,136, with the remaining
   balance, covered by promissory notes to the Company, due by
   September 30, 1997.  The shares and warrants are not transferable
   until April 1998.

                                 6

<PAGE>


Item 2.   Management's Discussion and Analysis of Financial Conditions and 
          Results of Operations

Overview

The Immune Response Corporation (the "Company") is a biopharmaceutical 
company engaged in the development of proprietary products in the areas of 
HIV, autoimmune disease, gene therapy and cancer. 

This discussion contains forward-looking statements concerning the Company's 
operating results and timing of anticipated expenditures. Such statements are 
subject to risks and uncertainties which could cause actual results to differ 
materially from those projected.  For a further description of potential 
risks and uncertainties involved related to the Company, this document should 
be read in conjunction with the Company's Form 10-K filed with the Securities 
and Exchange Commission.  These forward-looking statements speak only as of 
the date hereof.  The Company undertakes no obligation to publicly release 
the result of any revisions to these forward-looking statements which may be 
made to reflect events or circumstances after the date hereof or to reflect 
the occurrence of unanticipated events.

During the second quarter of 1997, the Company completed a $16 million 
private placement of units consisting of common stock and warrants to 
purchase common stock of the Company.  These units were separately purchased 
at a price of $7.80 per unit by Kevin B. Kimberlin, a director of the 
Company, and Dennis J. Carlo, Ph.D., a director and president and chief 
executive officer of the Company. The units sold in the private placement 
consisted of 2,051,281 shares of common stock plus warrants exercisable for 
2,051,281 shares of common stock.  The warrants have a four year term.  The 
warrants, with an exercise price of $14 per share, are callable by the 
Company if the stock trades at $28 per share or greater for 45 consecutive 
days.  The terms of the agreements included an initial downpayment of 
$4,126,136, with the remaining balance, covered by promissory notes to the 
Company, due by September 30, 1997.  The shares and warrants are not 
transferable until April 1998.

The Company has not been profitable since inception and had an accumulated 
deficit of $137.9 million as of June 30, 1997.  To date, the Company has not 
recorded any revenues from the sale of products. Revenues recorded through 
June 30, 1997 were earned in connection with contract research and investment 
income.  The Company expects its operating losses to continue to increase 
over the next several years, as well as to have quarter-to-quarter 
fluctuations, some of which could be significant, due to expanded research, 
development and clinical trial activities.  There can be no assurance that 
the Company will be able to generate sufficient product revenue to become 
profitable at all or on a sustained basis.

Results of Operations
The contract research revenue received in 1997 was received from Bayer 
Corporation related to a research collaboration for a potential therapy for 
hemophilia which began in July 1996.  The Company has not received any 
revenue from the commercial sale of products and does not expect to derive 
revenue from the sale of products for the foreseeable future.

Investment income increased to $669,000 for the quarter ended June 30, 1997, 
from $578,000 during the same period in 1996.  During the six months ended 
June 30, 1997 and 1996, investment income was $1.3 million.

Research and development expenditures of $9.5 million during the second 
quarter of 1997 exceeded such expenditures during the same period in 1996 of 
$7.3 million.  Research and development expenditures for the six months ended 
June 30, 1997 were $18.1 million compared to $12.8 million for the same 
period in 1996.  These additional expenditures in the second quarter of 1997, 
and during the six months ended June 30, 1997, over the amounts expended 
during the same periods in 1996, were due primarily to the clinical testing
of REMUNE-TM-.  Following the full recruitment of the Phase III clinical trial 
in May 1997, each participating clinical site was converted to a semi-annual 
payment schedule rather than payments based upon patient enrollment.  As a 
result, payments previously expected to be made during the third quarter were 
paid late in the second quarter. A corresponding reduction in expenses is 
expected during the second half of 1997.  In addition, research and 

                                 7

<PAGE>

development expenditures have increased due to research related to gene drug 
delivery and cancer treatments.  Research and development expenses, except 
for the clinical testing of REMUNE, are expected to continue to rise in the 
foreseeable future due to expanding preclinical and clinical testing of the 
proposed autoimmune disease, gene therapy and cancer treatments.

General and administrative expenses for the second quarter of 1997 and 1996 
were $1.1 million and $1.0 million, respectively.  General and administrative 
expenses for the six months ended June 30, 1997 were $2.0 million as compared 
to $1.8 million for the same period in 1996.  General and administrative 
expenses for the remainder of 1997 necessary to support the Company's 
expanded research and development activities are expected to remain 
consistent with first half of 1997.

For the quarter ended June 30, 1997, the Company's net loss was $9.9 million, 
or $.45 per share, as compared to a net loss of $7.7 million, or $.45 per 
share, for the same period in 1996.  For the six months ended June 30, 1997, 
the Company's net loss was $17.9 million, or $.85 per share, as compared to a 
net loss of $13.2 million, or $.78 per share for the same period in 1996.  
The primary factors causing the net loss to increase in 1997 were the 
initiation of the Phase III clinical trial with REMUNE at most clinical sites 
occurring subsequent to June 30, 1996, as well as the expansion of research 
related to cancer treatments.

Liquidity and Capital Resources
As of June 30, 1997, the Company had working capital of $41.8 million, 
including $32.3 million of cash, cash equivalents and marketable securities.  
This compares with working capital as of December 31, 1996 of $35.2 million, 
including $37.3 million of cash, cash equivalents, marketable securities and 
short-term investments. The increase in working capital was due to the $16 
million private placement of common stock and warrants which occurred in the 
second quarter of 1997.

The Company will need to raise additional funds to conduct research and 
development, preclinical studies and clinical trials necessary to bring its 
potential products to market and establish manufacturing and marketing 
capabilities.  The Company anticipates that the REMUNE Phase III clinical 
trial costs will be approximately $10 million per year, with an additional 
$10 million cost per year for manufacturing, research and other costs 
associated with the product for an additional two years.  The anticipated 
costs with respect to REMUNE will depend on many factors, including the time 
required for the Phase III clinical trial, the number of patients enrolled in 
the Phase III clinical trial, the availability of third party reimbursement 
for expanded access protocols for REMUNE, the potential for accelerated 
approval and certain other factors which will influence the Company's 
determination of the appropriate continued investment of the Company's 
financial resources in this program.  The Company's future capital 
requirements will depend on many factors, including continued scientific 
progress in its research and development programs, the scope and results of 
preclinical studies and clinical trials, the time and costs involved in 
obtaining regulatory approvals, the costs involved in filing, prosecuting and 
enforcing patent claims, competing technological and market developments, the 
cost of manufacturing scale-up, effective commercialization activities and 
arrangement and other factors not within the Company's control.  The Company 
intends to seek additional funding through public or private financings, 
arrangement with corporate collaborations or other sources.  Adequate funds 
may not be available when needed or on terms acceptable to the Company. 
Insufficient funds may require the Company to scale back or eliminate some or 
all of its research and development programs or license to third parties 
products or technologies that the Company would otherwise seek to develop 
itself.  The Company believes that its existing resources, including the 
funds received from the sale of equity units in a private placement during 
the second quarter of 1997, will meet its anticipated requirements through 
late-1998.

CERTAIN RISK FACTORS (For a discussion of additional Risk Factors applicable 
to the Company, see the Company's Annual Report on Form 10-K for the year 
ended December 31, 1996.)

Uncertainty of Product Development and Clinical Testing.   The Company has 
not completed the development of any products and there can be no assurance 
any products will be successfully developed.  The Company's potential HIV, 
autoimmune disease, gene therapy and cancer products

                                 8

<PAGE>

currently under development will require significant additional research and 
development efforts and regulatory approvals prior to potential 
commercialization.

The Company's potential HIV product, REMUNE, is in a Phase III clinical trial 
designed to provide evidence of efficacy based on clinical endpoints; however 
there can be no assurance that the results of such clinical trial will 
demonstrate that REMUNE is safe and efficacious or, that even if the results 
of the clinical trial are considered successful by the Company, that the FDA 
will not require the Company to conduct additional large scale clinical 
trials with REMUNE before the FDA will consider approving REMUNE for 
commercial sale.  In addition, REMUNE is being tested in a Phase II clinical 
trial in Thailand, in a pediatric Phase I clinical trial in the United States 
and in combination trials with approved HIV therapies in the United States 
and Spain.  Failure of these trials to demonstrate the safety and 
effectiveness of REMUNE could have a material adverse effect on the 
regulatory approval process for this potential product.  The Company's other 
potential products and technologies are at a much earlier stage of 
development than REMUNE. The Company's gene therapy technology and certain of 
its technologies for the treatment of cancer have not yet been tested in 
humans and there can be no assurance that human testing of potential products 
based on such technologies will be permitted by regulatory authorities or, 
that even if human testing is permitted, that products based on such 
technologies will be shown to be safe or efficacious.  Potential products 
based on the Company's autoimmune technology and certain of its cancer 
technologies are at an early stage of clinical testing and there can be no 
assurance that such products will be shown to be safe or efficacious.

There can be no assurance that the results of the Company's preclinical 
studies and clinical trials will be indicative of future clinical trial 
results.  A commitment of substantial resources to conduct time-consuming 
research, preclinical studies and clinical trials will be required if the 
Company is to develop any products. Delays in planned patient enrollment in 
the Company's current clinical trials or future clinical trials may result in 
increased costs, program delays or both.  There can be no assurance that any 
of the Company's potential products will prove to be safe and effective in 
clinical trials, that FDA or other regulatory approvals will be obtained or 
that such products will achieve market acceptance.  Any products resulting 
from these programs are not expected to be successfully developed or 
commercially available for a number of years, if at all.

There can be no assurance that unacceptable toxicities or side effects will 
not occur at any time in the course of human clinical trials or, if any 
products are successfully developed and approved for marketing, during 
commercial use of the Company's products.  The appearance of any such 
unacceptable toxicities or side effects could interrupt, limit, delay or 
abort the development of any of the Company's products or, if previously 
approved, necessitate their withdrawal from the market.  Furthermore, there 
can be no assurance that disease resistance will not limit the efficacy of 
potential products.

Lengthy Approval Process and Uncertainty of Government Regulatory 
Requirements.  Clinical testing, manufacture, promotion and sale of the 
Company's potential products are subject to extensive regulation by numerous 
governmental authorities in the United States, principally the FDA, and 
corresponding state and foreign regulatory agencies.  The Company believes 
that REMUNE and most of its other potential immune-based therapies will be 
regulated by the FDA as biological drug products under current regulations of 
the FDA.  In general, the regulatory framework for biological drug products 
is more rigorous than that for nonbiological drug products.  The Food, Drug 
and Cosmetic Act and the Public Health Service Act, and other federal and 
state statutes and regulations govern or influence the testing, manufacture, 
safety, effectiveness, labeling, storage, recordkeeping, approval, 
advertising, distribution and promotion of biological prescription drug 
products.  Noncompliance with applicable requirements can result in, among 
other things, fines, injunctions, seizure of products, total or partial 
suspension of product marketing, failure of the government to grant premarket 
approval, withdrawal of marketing approvals and criminal prosecution.

The regulatory process for new therapeutic drug products, including the 
required preclinical studies and clinical testing, is lengthy and expensive 
and there can be no assurance that necessary FDA clearances will be obtained 
in a timely manner, if at all.  There can be no assurance as to the length of 
the clinical trial period or the number of patients the FDA will require to 
be enrolled in the clinical trials

                                 9

<PAGE>

in order to establish the safety and efficacy of the Company's products.  The 
Company may encounter significant delays or excessive costs in its efforts to 
secure necessary approvals, and regulatory requirements are evolving and 
uncertain.  Future United States or foreign legislative or administrative 
acts could also prevent or delay regulatory approval of the Company's 
products.  There can be no assurance that the Company will be able to obtain 
the necessary approvals for clinical trials, manufacturing or marketing of 
any of its products under development.  Even if commercial regulatory 
approvals are obtained, they may include significant limitations on the 
indicated uses for which a product may be marketed.  In addition, a marketed 
product is subject to continual FDA review.  Later discovery of previously 
unknown problems or failure to comply with the applicable regulatory 
requirements may result in restrictions on the marketing of a product or 
withdrawal of the product from the market, as well as possible civil or 
criminal sanctions.  Failure of the Company to obtain marketing approval for 
Remune or any of its other products under development on a timely basis, or 
FDA withdrawal of marketing approval once obtained, could have a material 
adverse effect on the Company's business, financial condition and results of 
operations.

The steps required before a biological drug product may be marketed in the 
United States generally include preclinical studies and the filing of an 
Investigational New Drug ("IND") application with the FDA.  Reports of 
results of preclinical studies and clinical trials for biological drug 
products are submitted to the FDA in the form of a PLA for approval for 
marketing and commercial shipment.  Submission of a Product License 
Application ("PLA") does not assure FDA approval for marketing.  The PLA 
review process may take a number of years to complete, although reviews of 
applications for treatments of AIDS, cancer and other life-threatening 
diseases may be accelerated or expedited.  Failure of the Company to receive 
FDA marketing approval for Remune or any of its other products under 
development on a timely basis could have a material adverse effect on the 
Company's business, financial condition and results of operations.  In 
addition to obtaining approval for each biological drug product, an 
Establishment License Application ("ELA") usually must be filed and approved 
by the FDA.

Among the other requirements for ELA approval is the requirement that 
prospective manufacturers conform to the FDA's drug Good Manufacturing 
Practices ("GMP") requirements specifically for biological drugs, as well as 
for other drugs. In complying with the FDA's drug GMP requirements, 
manufacturers must continue to expend time, money and effort in production, 
recordkeeping and quality control to assure that the product meets applicable 
specifications and other requirements.  Failure to comply with the FDA's drug 
GMP requirements subjects the manufacturer to possible FDA regulatory action. 
 There can be no assurance that the Company or its contract manufacturers, if 
any, will be able to maintain compliance with the FDA's drug GMP requirements 
on a continuing basis.  Failure to maintain such compliance could have a 
material adverse effect on the Company's business, financial condition and 
results of operations.

Another requirement for many biological drug products is lot-by-lot release 
approval, which necessitates FDA approval of the release of each lot of a 
biologic drug before commercialization.  The lot-to-lot release and ELA 
requirements may be applied to some or all of the Company's potential 
immune-based therapies. The FDA amended its regulations to permit certain 
biotechnology and synthetic biological drug products to be eligible for 
approval under a biological product license that does not entail lot-to-lot 
release and establishment licensing requirements.  The Company believes that 
its potential synthetic protein autoimmune disease products will be subject 
to these new regulations.  There can be no assurance that REMUNE or any of 
the Company's other products will be eligible for approval under a biological 
drug product license or otherwise be subject to less rigorous regulation than 
traditional biological products.

The Company believes its proprietary GeneDrug-TM- and cancer treatment 
therapies will likely be regulated more like traditional biological products, 
subject to both PLA and ELA requirements.  As with the Company's other 
potential products, the gene therapy and cancer products will be subject to 
extensive FDA regulation throughout the product development process, and 
there can be no assurance that any of these products will be successful at 
securing the requisite FDA marketing approval on a timely basis, if at all.

                                10

<PAGE>

A number of procedures are available to expedite approval or to allow 
expanded access to investigational drugs.  Certain investigational drugs, 
including products for the treatment of AIDS, can be distributed outside of 
traditional IND requirements on a "treatment IND" basis.  Generally, the FDA 
may permit an investigational drug, including an investigational biological 
drug, to be used under a "treatment IND" for patients outside of controlled 
clinical trials under certain conditions.  Although the FDA has granted 
expanded access to REMUNE for those patients who are ineligible to enroll in 
the Phase III clinical trial, the FDA has to date not designated expanded 
access protocols for REMUNE as "treatment" protocols. Either expanded access 
or a treatment protocol designation might permit third party reimbursement of 
some of the costs associated with making REMUNE available to patients in such 
an expanded access context.  There can be no assurance that the FDA will 
determine that REMUNE meets all of the FDA's criteria for use of an 
investigational drug for treatment use or that, even if the product is 
allowed for treatment use, that third party payers will provide reimbursement 
for any of the costs of treatment with REMUNE.

The FDA also has issued regulations to accelerate the approval of or to 
expedite the review of new biological drug products for serious or 
life-threatening illnesses that provide meaningful therapeutic benefit to 
patients over existing treatments.  Under the accelerated approval program, 
the FDA may grant marketing approval for a biological or nonbiological drug 
product earlier than would normally be the case.  In addition to the 
accelerated approval process, the FDA has established procedures designed to 
expedite the development, evaluation and marketing of new therapies intended 
to treat persons with life-threatening and severely-debilitating illnesses, 
especially when no satisfactory alternative therapy exists.  There can be no 
assurance that the FDA will consider REMUNE or any other of the Company's 
products under development to be an appropriate candidate for accelerated 
approval or expedited review.

To market any drug products outside of the United States, the Company is also 
subject to numerous and varying foreign regulatory requirements, implemented 
by foreign health authorities, governing the design and conduct of human 
clinical trials and marketing approval.  The approval procedure varies among 
countries and can involve additional testing, and the time required to obtain 
approval may differ from that required to obtain FDA approval.  The foreign 
regulatory approval process includes all of the risks associated with 
obtaining FDA approval set forth above, and approval by the FDA does not 
ensure approval by the health authorities of any other country.

Patents and Proprietary Technology.  The Company has filed, or participated 
as licensee, in the filing of a number of patent applications in the United 
States and many international countries. The Company files applications as 
appropriate for patents covering its products and processes.  The Company has 
been issued patents, or has licensed patents, covering certain aspects of its 
proposed HIV, autoimmune disease, gene therapy and cancer technologies.  The 
Company's success may depend in part on its ability to obtain patent 
protection for its products and processes.  The Company is aware that a group 
working with Connective Therapeutics, Inc. has filed patent applications 
related to autoimmune disease research that covers technology similar to that 
used by the Company.  There can be no assurance that the Company's patent 
applications will be issued as patents or that any of its issued patents, or 
any patent that may be issued in the future, will provide the Company with 
adequate protection for the covered products, processes or technology.

The patent positions of biotechnology and pharmaceutical companies can be 
highly uncertain, and involve complex legal and factual questions.  
Therefore, the breadth of claims allowed in biotechnology and pharmaceutical 
patents cannot be predicted.  The Company also relies upon unpatented trade 
secrets and know how, and no assurance can be given that others will not 
independently develop substantially equivalent trade secrets or know how.  In 
addition, whether or not the Company's patents are issued, or issued with 
limited coverage, others may receive patents which contain claims applicable 
to the Company's product.  There can be no assurance that any of the 
Company's patents, or any patents issued to the Company in the future, will 
afford meaningful protection against competitors. Defending any such patent 
could be costly to the Company, and there can be no assurance that the patent 
would be held valid by a court of competent jurisdiction.

                                11

<PAGE>

The Company also relies on protecting its proprietary technology in part 
through confidentiality agreements with its corporate collaborators, 
employees, consultants and certain contractors.  There can be no assurance 
that these agreements will not be breached, that the Company will have 
adequate remedies for any breach, or that the Company's trade secrets will 
not otherwise become known or independently discovered by its competitors.

It is possible that the Company's products or processes will infringe, or 
will be found to infringe, patents not owned or controlled by the Company.  
If any relevant claims of third-party patents are upheld as valid and 
enforceable, the Company could be prevented from practicing the subject 
matter claimed in such patents, or would be required to obtain licenses or 
redesign its products or processes to avoid infringement.  There can be no 
assurance that such licenses would be available at all or on terms 
commercially reasonable to the Company or that the Company could redesign its 
products or processes to avoid infringement.  Litigation may be necessary to 
defend against claims of infringement, to enforce patents issued to the 
Company or to protect trade secrets.  Such litigation could result in 
substantial costs and diversion of management efforts regardless of the 
results of such litigation and an adverse result could subject the Company to 
significant liabilities to third parties, require disputed rights to be 
licensed or require the Company to cease using such technology.

Technological Change and Competition.  The biotechnology industry continues 
to undergo rapid change and competition is intense and is expected to 
increase.  There can be no assurance that competitors have not or will not 
succeed in developing technologies and products that are more effective than 
any which have been or are being developed by the Company or which would 
render the Company's technology and products obsolete and noncompetitive.  
Many of the Company's competitors have substantially greater experience, 
financial and technical resources and production, marketing and development 
capabilities than the Company.  Accordingly, certain of the Company's 
competitors may succeed in obtaining regulatory approval for products more 
rapidly or effectively than the Company. If the Company commences commercial 
sales of its products, it will also be competing with respect to 
manufacturing efficiency and sales and marketing capabilities, areas in which 
it currently has no experience.

Dependence on Third Parties.  The Company's strategy for the research, 
development and commercialization of its products requires entering into 
various arrangements with corporate collaborators (such as the Company's 
agreement with Bayer Corporation ("Bayer")), licensors, licensees and others, 
and the Company's commercial success is dependent upon these outside parties 
performing their respective contractual responsibilities.  The amount and 
timing of resources such third parties will devote to these activities may 
not be within the control of the Company.  There can be no assurance that 
such parties will perform their obligations as expected or that the Company 
will derive any revenue from such arrangements.  Although the Company has 
collaborative agreements with several universities and research institutions, 
the Company's agreement with Bayer is the only collaborative agreement that 
will provide the Company with contract revenue.  There can be no assurance 
that these collaborations will result in the development of any commercial 
products. The Company intends to seek additional collaborative arrangements 
to develop and commercialize certain of its products.  There can be no 
assurance that the Company will be able to negotiate collaborative 
arrangements on favorable terms, or at all, in the future, or that its 
current or future collaborative arrangements will be successful.

Lack of Commercial Manufacturing and Marketing Experience.  The Company has a 
manufacturing facility for REMUNE located in King of Prussia, Pennsylvania, 
and a pilot manufacturing facility in Carlsbad, California for its other 
potential products.  The Company has not yet manufactured its product 
candidates in commercial quantities.  No assurance can be given that the 
Company, on a timely basis, will be able to make the transition from 
manufacturing clinical trial quantities to commercial production quantities 
successfully or be able to arrange for contract manufacturing.  The Company 
believes it will be able to manufacture REMUNE for initial commercialization, 
if the product obtains FDA approval, but it has not yet demonstrated the 
capability to manufacture REMUNE in commercial quantities, or its autoimmune 
disease, gene therapy and cancer treatments in large-scale clinical or 
commercial quantities. The Company has no experience in the sales, marketing 
and distribution of pharmaceutical products.  There can be no assurance that 
the Company will be able to 

                                12

<PAGE>

establish sales, marketing and distribution capabilities or make arrangements 
with its collaborators, licensees or others to perform such activities or 
that such efforts will be successful.

The manufacture of the Company's products involves a number of steps and 
requires compliance with stringent quality control specifications imposed by 
the Company itself and by the FDA.  Moreover, the Company's products can only 
be manufactured in a facility that has undergone a satisfactory inspection by 
the FDA.  For these reasons, the Company would not be able quickly to replace 
its manufacturing capacity if it were unable to use its manufacturing 
facilities as a result of a fire, natural disaster (including an earthquake), 
equipment failure or other difficulty, or if such facilities are deemed not 
in compliance with the FDA's drug GMP requirements and the non-compliance 
could not be rapidly rectified.  The Company's inability or reduced capacity 
to manufacture its products would have a material adverse effect on the 
Company's business and results of operations.

The Company may enter into arrangements with contract manufacturing companies 
to expand its own production capacity in order to meet requirements for its 
products, or to attempt to improve manufacturing efficiency.  If the Company 
chooses to contract for manufacturing services and encounters delays or 
difficulties in establishing relationships with manufacturers to produce, 
package and distribute its finished products, clinical trials, market 
introduction and subsequent sales of such products would be adversely 
affected. Further, contract manufacturers must also operate in compliance 
with the FDA's drug GMP requirements; failure to do so could result in, among 
other things, the disruption of product supplies.  Until recently, biologic 
product licenses could not be held by any company unless it performed 
significant manufacturing operations.  The FDA amended its regulations in 
this regard, and the Company believes that under these new regulations it can 
now hold licenses for its biological products without performing significant 
manufacturing steps.  Nonetheless, the Company's potential dependence upon 
third parties for the manufacture of its products may adversely affect the 
Company's profit margins and its ability to develop and deliver such products 
on a timely and competitive basis.

                                13

<PAGE>

PART II.  OTHER INFORMATION

Item 2. -- Changes in Securities

During the second quarter of 1997, the Company issued 2,051,281 units (the 
"Units"), each Unit consisting of one share of common stock and one warrant 
to purchase one share of common stock, to Kevin B. Kimberlin, a director of 
the Company, and Dennis J. Carlo, Ph.D., a director and president and chief 
executive officer of the Company, at a price of $7.80 per Unit.  The 
aggregate consideration of $16 million, consisted of $4,126,136 in cash, and 
promissory notes in the principal amount of $11,873,856, which are due 
September 30, 1997, with interest of 5.73% per annum.  The warrants have an 
exercise price of $14 per share, a four year term and are callable by the 
Company at $.05 per share if the fair market value of the Company's common 
stock is equal to or greater than $28 per share over any consecutive 45 day 
period.

The recipients of the above-described securities represented their intention 
to acquire the securities for investment only and not with a view to 
distribution thereof.  Appropriate legends were affixed to the stock 
certificates and warrants issued in such transactions.  All recipients had 
adequate access, through employment or other relationships, to information 
about the Company.

Item 4. -- Submission of Matters to a Vote of Security Holders

On May 22, 1997, the Company held its Annual Meeting of Stockholders. The 
following actions were taken at the annual meeting.  As of March 31, 1997, 
the record date, 20,288,722 shares were entitled to vote at the Annual 
Meeting.  Of these 20,288,722 shares, 894,738 shares were not voted.

  1. The following Class II Directors were elected:

     a.  Kevin B. Kimberlin.  18,463,885 shares voted in favor of the
     nominee, 930,099 shares withheld their vote;

     b.  Melvin Perelman.  18,463,635 shares voted in favor of the
     nominee, 930,349 shares withheld their vote;

     c.  John Simon.  18,463,885 shares voted in favor of the nominee,
     930,099 shares withheld their vote;

     d.  William M. Sullivan.  18,463,885 shares voted in favor of the
     nominee, 930,099 shares withheld their vote;

     e.  The following directors continue in office for their existing
     terms:

         Dennis J. Carlo
         James B. Glavin
         Gilbert S. Omenn
         Philip M. Young

  2. A proposal to amend and restate the 1989 Stock Plan of The Immune
     Response Corporation to, among other things, increase the
     aggregate number of shares of Common Stock authorized for issuance
     thereunder by 1,000,000 shares.  14,926,391 shares were voted in
     favor of the proposal, 3,728,127 shares were voted against the
     proposal, 178,948 shares abstained and 560,518 shares were not
     voted (includes broker non-votes); and

  3. The selection of Arthur Anderson LLP as the Company's independent
     auditor was ratified.  19,308,748 shares were voted in favor of
     the proposal, 37,155 shares were voted against the proposal and
     48,081 shares abstained.

                                14

<PAGE>

Item 6. -- Exhibits and Reports on Form 8-K

 a) Exhibits
 
     10.59*    Unit Purchase Agreement, dated April 15, 1997, between The
               Immune Response Corporation and Kevin B. Kimberlin,
               including Common Stock Purchase Warrant, Promissory Note
               and Stock Pledge Agreement

     10.60*    Unit Purchase Agreement, dated April 15, 1997, between The
               Immune Response Corporation and Dennis J. Carlo, Ph.D.,
               including Common Stock Purchase Warrant, Promissory Note
               and Stock Pledge Agreement

     10.61*    Amendment No. 1 to Rights Agreements (Exhibit 10.47), dated
               April 17, 1997, between The Immune Response Corporation and
               Harris Trust Company of California

     10.62     Common Stock Purchase Warrant, dated June 26, 1997, between
               The Immune Response Corporation and Kevin B. Kimberlin.

     10.63     Common Stock Purchase Warrant, dated June 26, 1997, between
               The Immune Response Corporation and Dennis J. Carlo, Ph.D.

     27        Financial Data Schedule


* Incorporated by reference to the Exhibits of the same number filed with the 
Company's March 31, 1997 Form 10-Q.

 b) Reports on Form 8-K

    Not applicable

                               15

<PAGE>

                              SIGNATURE



Pursuant to the requirements of the Securities Exchange Act of 1934, the 
registrant has duly caused this report to be signed on its behalf by the 
undersigned thereunto duly authorized.

                              THE IMMUNE RESPONSE CORPORATION






Date: August 6, 1997           s/Charles J. Cashion
     ---------------------  -------------------------------
                            Charles J. Cashion
                            Vice President, Finance
                            Secretary and Treasurer







                           16




<PAGE>
                                                                  Exhibit 10.62
 

 
 
 
                 THIS WARRANT IS NON-TRANSFERABLE AND 
            MAY ONLY BE EXERCISED BY THE ORIGINAL PURCHASER
 
                                                              
- -------------------------------------------------------------------------------
 
 
     THIS WARRANT AND ANY SHARES ACQUIRED UPON THE EXERCISE OF THIS WARRANT 
HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND 
MAY NOT BE SOLD OR OTHERWISE TRANSFERRED EXCEPT PURSUANT TO AN EFFECTIVE 
REGISTRATION STATEMENT FILED UNDER SUCH ACT OR PURSUANT TO AN EXEMPTION FROM 
REGISTRATION UNDER SUCH ACT.
 
 
              *****************************************
 
                   The Immune Response Corporation
                    COMMON STOCK PURCHASE WARRANT
 
              *****************************************
 
     This certifies that, for good and valuable consideration, The Immune 
Response Corporation, a Delaware corporation (the "Company"), grants to Kevin 
B. Kimberlin (the "Warrantholder"), the right to subscribe for and purchase 
from the Company 18,867 validly issued, fully paid and nonassessable shares 
(the "Warrant Shares") of the Company's Common Stock, $.0025 par value (the 
"Common Stock"), at the purchase price per share of $14 (the "Exercise 
Price"), exercisable at any time and from time to time during the period (the 
"Exercise Period") commencing on the 26th day of June, 1997 and ending on the 
fourth anniversary of the date hereof, all subject to the terms, conditions 
and adjustments herein set forth.
 
- -------------------------------------------------------------------------------
 
                                       1
 
<PAGE>
   
     1.   Duration and Exercise of Warrant; Call of Warrant; Payment of 
          Taxes; Information.
 
     1.1  Duration and Exercise of Warrant.
 
     (a)  Cash Exercise.  This Warrant may be exercised in whole or in part 
by the Warrantholder by (i) the surrender of this Warrant to the Company, 
with a duly executed Exercise Form specifying the number of Warrant Shares to 
be purchased, during normal business hours on any Business Day during the 
Exercise Period and (ii) the delivery of payment to the Company, for the 
account of the Company, by wire transfer of immediately available funds to a 
bank account specified by the Company of the Exercise Price for the number of 
Warrant Shares specified in the Exercise Form in lawful money of the United 
States of America.
 
     (b)  Net Issue Exercise.  In lieu of exercising this Warrant pursuant to 
Section 1.1(a), this Warrant may be exercised in whole or in part by the 
Warrantholder by the surrender of this Warrant to the Company, with a duly 
executed Exercise Form marked to reflect Net Issue Exercise and specifying 
the number of Warrant Shares to be purchased, during normal business hours on 
any Business Day during the Exercise Period.  Upon such exercise, the 
Warrantholder shall be entitled to receive shares equal to the value of this 
Warrant (or the portion thereof being canceled) by surrender of this Warrant 
to the Company together with notice of such election in which event the 
Company shall issue to Warrantholder a number of shares of the Company's 
Common Stock computed as of the date of surrender of this Warrant to the 
Company using the following formula:
 
         X = Y x (A-B)
             ---------
                 A
 
Where    X =  the number of shares of Common Stock to be issued to Warrantholder
              under this Section 1.1(b);
 
         Y =  the number of shares of Common Stock purchasable under this
              Warrant, or any lesser number of shares as to which this Warrant
              is being exercised (at the date of such calculation);
 
         A =  the fair market value of one share of the Company's Common Stock
              (at the date of such calculation);
 
         B =  the Exercise Price (as adjusted to the date of such calculation).
 
     (c)  Other Forms of Exercise.  This Warrant may also be exercised in 
whole or in part by the Warrantholder by (i) the surrender of this Warrant to 
the Company, with a duly executed Exercise Form specifying the number of 
Warrant Shares to be purchased, during normal business hours on any Business 
Day during the Exercise Period and (ii) payment of the Exercise 
 
                                2
 
 
<PAGE>

Price, in whole or in part, by delivery to the Company of (A) shares of 
Common Stock owned by the Warrantholder having a fair market value as of the 
close of business on the date on which this Warrant shall have been 
surrendered equal to the portion of the Exercise Price being paid in such 
shares, or (B) irrevocable instructions to a broker-dealer to sell (or 
margin) a sufficient portion of the Warrant Shares and deliver the sale (or 
margin loan) proceeds directly to the Company to pay for the Exercise Price.

    (d)  Procedural Issues.  All Warrant Shares issued pursuant to this 
Section 1.1 shall be deemed to be issued to the Warrantholder as the record 
holder of such Warrant Shares as of the close of business (i) on the date on 
which this Warrant shall have been surrendered and payment made for the 
Warrant Shares, if issued pursuant to Section 1.1(a) or Section 1.1(c), or 
(ii) on the date on which this Warrant shall have been surrendered, if issued 
pursuant to Section 1.1(b).  A stock certificate or certificates for the 
Warrant Shares specified in the Exercise Form shall be delivered to the 
Warrantholder as promptly as practicable, and in any event within ten (10) 
days, thereafter.  The stock certificate or certificates so delivered shall 
be in denominations of 100 shares each or such lesser or greater 
denominations as may be reasonably specified by the Warrantholder in the 
Exercise Form.  If this Warrant shall have been exercised only in part, the 
Company shall, at the time of delivery of the stock certificate or 
certificates, deliver to the Warrantholder a new Warrant evidencing the 
rights to purchase the remaining Warrant Shares, which new Warrant shall in 
all other respects be identical with this Warrant.  No adjustments shall be 
made on Warrant Shares issuable on the exercise of this Warrant for any cash 
dividends paid or payable to holders of record of Common Stock prior to the 
date as of which the Warrantholder shall be deemed to be the record holder of 
such Warrant Shares.

    (e)  Fair Market Value.  For purposes of Sections 1.1(b), 1.1(c), 1.2 and 
6.1(d), fair market value of one share of the Company's Common Stock shall 
mean:

         (i) the closing price per share of the Company's Common Stock on the
     principal national securities exchange on which the Common Stock is
     listed or admitted to trading or,

         (ii) if not listed or traded on any such exchange, the last reported
     sales price per share on the Nasdaq National Market or the Nasdaq
     Small-Cap Market (collectively, "Nasdaq") or,

         (iii) if not listed or traded on any such exchange or Nasdaq, the
     average of the bid and asked price per share as reported in the "pink
     sheets" 

                                      3


<PAGE>

     published by the National Quotation Bureau, Inc. (the "pink sheets") or,

         (iv)  if such quotations are not available, the fair market value per
     share of the Company's Common Stock on the date such notice was received
     by the Company as reasonably determined by the Board of Directors of the
     Company.

    1.2  Call of Warrant by Company.  If at any time prior to the exercise of 
this Warrant in full, the fair market value of one share of the Company's 
Common Stock remains equal to or greater than $28 over any consecutive 
forty-five (45) day period (the "Threshold Period"), the Company shall have 
the option to purchase this Warrant from Warrantholder for $.05 per Warrant 
Share.  To exercise this call option, the Company shall, within thirty (30) 
days following termination of the Threshold Period, and at least thirty (30) 
days prior to exercise of the option, provide the Warrantholder with written 
notice specifying the date the option will be exercised.  The Warrantholder 
then shall have ten (10) days after receipt of such notice to exercise its 
rights under this Warrant.

    If the Company fails to exercise this call option in the manner and 
within the time periods specified in this Section 1.2, the Company shall be 
deemed to have waived its right to invoke such option and Warrantholder shall 
retain all rights granted to it under this Warrant as though the Threshold 
Period had never occurred; provided, however, that the Company's call option 
shall be revived should the Company's Common Stock again trade at or above 
$28 for an additional Threshold Period following any previous waiver by the 
Company of such option.

    1.3  Payment of Taxes.  The issuance of certificates for Warrant Shares 
shall be made without charge to the Warrantholder for any stock transfer or 
other issuance tax in respect thereto; provided, however, that the 
Warrantholder shall be required to pay any and all taxes which may be payable 
in respect of any transfer involved in the issuance and delivery of any 
certificate in a name other than that of the then Warrantholder as reflected 
upon the books of the Company.

    1.4  Information.  Upon receipt of a written request from a 
Warrantholder, the Company agrees to deliver promptly to such Warrantholder a 
copy of its current publicly available financial statements and to provide 
such other publicly available information concerning the business and 
operations of the Company as such Warrantholder may reasonably request in 
order to assist the Warrantholder in evaluating the merits and risks of 
exercising the Warrant and to make an informed investment decision in 
connection with such exercise.

                                       4


<PAGE>


    2.   Restrictions on Transfer; Restrictive Legends.

    2.1  Restrictions on Transfer; Compliance with Securities Laws.  This 
Warrant is not assignable.  The Warrant Shares issued upon the exercise of 
the Warrant may not be transferred or assigned in whole or in part without 
compliance with all applicable federal and state securities laws by the 
transferor and transferee (including the delivery of investment 
representation letters and legal opinions reasonably satisfactory to the 
Company, if such are requested by the Company).  The Warrantholder, by 
acceptance hereof, acknowledges that this Warrant and the Warrant Shares to 
be issued upon exercise hereof are being acquired solely for the 
Warrantholder's own account and not as a nominee for any other party, and for 
investment, and that the Warrantholder will not offer, sell or otherwise 
dispose of any Warrant Shares to be issued upon exercise hereof except under 
circumstances that will not result in a violation of the Securities Act or 
any state securities laws.  Upon exercise of this Warrant, the Warrantholder 
shall, if requested by the Company, confirm in writing, in a form 
satisfactory to the Company, that the Warrant Shares so purchased are being 
acquired solely for the Warrantholder's own account and not as a nominee for 
any other party, for investment, and not with a view toward distribution or 
resale.

    2.2 Restrictive Legends.  This Warrant shall (and each Warrant issued in 
substitution for this Warrant issued pursuant to Section 4 shall) be stamped 
or otherwise imprinted with a legend in substantially the following form:

         "THIS WARRANT AND ANY SHARES ACQUIRED UPON THE EXERCISE OF THIS
     WARRANT HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS
     AMENDED, AND MAY NOT BE SOLD OR OTHERWISE TRANSFERRED EXCEPT PURSUANT
     TO AN EFFECTIVE REGISTRATION STATEMENT FILED UNDER SUCH ACT OR
     PURSUANT TO AN EXEMPTION FROM REGISTRATION UNDER SUCH ACT."

Except as otherwise permitted by this Section 2, each stock certificate for 
Warrant Shares issued upon the exercise of any Warrant and each stock 
certificate issued upon the direct or indirect transfer of any such Warrant 
Shares shall be stamped or otherwise imprinted with a legend in substantially 
the following form:

         "THE SHARES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN REGISTERED
     UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE SOLD OR
     OTHERWISE TRANSFERRED EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION
     STATEMENT FILED UNDER SUCH ACT OR PURSUANT TO AN EXEMPTION FROM
     REGISTRATION UNDER SUCH ACT."

                                       5


<PAGE>


    Notwithstanding the foregoing, the Warrantholder may require the Company 
to issue a stock certificate for Warrant Shares without a legend if (i) such 
Warrant Shares, as the case may be, have been registered for resale under the 
Securities Act or sold pursuant to Rule 144 under the Securities Act (or a 
successor rule thereto) or (ii) the Warrantholder has received an opinion of 
counsel reasonably satisfactory to the Company that such registration is not 
required with respect to such Warrant Shares.

    3.   Reservation and Listing of Shares, Etc.

    The Company covenants and agrees that all Warrant Shares which are issued 
upon the exercise of this Warrant will, upon issuance, be validly issued, 
fully paid and nonassessable and free from all taxes, liens, security 
interests, charges and other encumbrances with respect to the issue thereof, 
other than taxes in respect of any transfer occurring contemporaneously with 
such issue.  The Company further covenants and agrees that, during the 
Exercise Period, the Company will at all times have authorized and reserved, 
and keep available free from preemptive rights, a sufficient number of shares 
of Common Stock to provide for the exercise of the rights represented by this 
Warrant and will, at its expense, upon each such reservation of shares, 
procure such listing of such shares of Common Stock (subject to issuance or 
notice of issuance) as then may be required on all stock exchanges on which 
the Common Stock is then listed or on Nasdaq.

    4.   Exchange, Loss or Destruction of Warrant.

    Upon receipt by the Company of evidence reasonably satisfactory to it of 
the loss, theft, destruction or mutilation of this Warrant and, in the case 
of loss, theft or destruction, of such bond or indemnification as the Company 
reasonably may require, and, in the case of such mutilation, upon surrender 
and cancellation of this Warrant, the Company will execute and deliver a new 
Warrant of like tenor.  The term "Warrant" as used in this agreement shall be 
deemed to include any Warrants issued in substitution or exchange for this 
Warrant.

    5.   Ownership of Warrant.

    The Company may deem and treat the person in whose name this Warrant is 
registered as the holder and owner hereof (notwithstanding any notations of 
ownership or writing hereon made by anyone other than the Company) for all 
purposes and shall not be affected by any notice to the contrary.

    6.   Certain Adjustments.

    6.1 The number of Warrant Shares purchasable upon the exercise of this 
Warrant and the Exercise Price shall be subject to adjustment as follows:

                                       6


<PAGE>


    (a)  Stock Dividends.  If at any time prior to the exercise of this 
Warrant in full (i) the Company shall fix a record date for the issuance of 
any stock dividend payable in shares of Common Stock or (ii) the number of 
shares of Common Stock shall have been increased by a subdivision or split-up 
of shares of Common Stock, then, on the record date fixed for the 
determination of holders of Common Stock entitled to receive such dividend or 
immediately after the effective date of subdivision or split-up, as the case 
may be, the number of shares of Common Stock to be delivered upon exercise of 
this Warrant will be increased so that the Warrantholder will be entitled to 
receive the number of shares of Common Stock that such Warrantholder would 
have owned immediately following such action had this Warrant been exercised 
immediately prior thereto, and the Exercise Price will be adjusted as 
provided below in paragraph (f).

    (b)  Combination of Stock.  If at any time prior to the exercise of this 
Warrant in full the number of shares of Common Stock outstanding shall have 
been decreased by a combination of the outstanding shares of Common Stock, 
then, immediately after the effective date of such combination, the number of 
shares of Common Stock to be delivered upon exercise of this Warrant will be 
decreased so that the Warrantholder thereafter will be entitled to receive 
the number of shares of Common Stock that such Warrantholder would have owned 
immediately following such action had this Warrant been exercised immediately 
prior thereto, and the Exercise Price will be adjusted as provided below in 
paragraph (f).

    (c)  Reorganization, etc.  If at any time prior to the exercise of this 
Warrant in full any capital reorganization of the Company, or any 
reclassification of the Common Stock, or any consolidation of the Company 
with or merger of the Company with or into any other person or any sale, 
lease or other transfer of all or substantially all of the assets of the 
Company to any other person, shall be effected in such a way that the holders 
of Common Stock shall be entitled to receive stock, other securities or 
assets, including cash (whether such stock, other securities or assets are 
issued or distributed by the Company or another person) with respect to or in 
exchange for Common Stock, then, upon exercise of this Warrant the 
Warrantholder shall have the right to receive the kind and amount of stock, 
other securities or assets receivable upon such reorganization, 
reclassification, consolidation, merger or sale, lease or other transfer by a 
holder of the number of shares of Common Stock that such Warrantholder would 
have been entitled to receive upon exercise of this Warrant had this Warrant 
been exercised immediately before such reorganization, reclassification, 
consolidation, merger or sale, lease or other transfer, subject to 
adjustments that shall be as nearly equivalent as may be practicable to the 
adjustments provided for in this Section 6.

                                       7


<PAGE>

    (d)  Fractional Shares.  No fractional shares of Common Stock or scrip 
shall be issued to any Warrantholder in connection with the exercise of this 
Warrant.  Instead of any fractional shares of Common Stock that would 
otherwise be issuable to such Warrantholder, the Company will pay to such 
Warrantholder a cash adjustment in respect of such fractional interest in an 
amount equal to that fractional interest of the then current fair market 
value per share of Common Stock, determined in accordance with Section 1.1(e) 
hereof.

    (e)  Carryover.  Notwithstanding any other provision of this Section 6, 
no adjustment shall be made to the number of shares of Common Stock to be 
delivered to the Warrantholder (or to the Exercise Price) if such adjustment 
represents less than 1% of the number of shares to be so delivered, but any 
lesser adjustment shall be carried forward and shall be made at the time and 
together with the next subsequent adjustment which together with any 
adjustments so carried forward shall amount to 1% or more of the number of 
shares to be so delivered.

    (f)  Exercise Price Adjustment.  Whenever the number of Warrant Shares 
purchasable upon the exercise of the Warrant is adjusted, as herein provided, 
the Exercise Price payable upon the exercise of this Warrant shall be 
adjusted by multiplying such Exercise Price immediately prior to such 
adjustment by a fraction, of which the numerator shall be the number of 
Warrant Shares purchasable upon the exercise of the Warrant immediately prior 
to such adjustment, and of which the denominator shall be the number of 
Warrant Shares purchasable immediately thereafter.

    (g)  No Duplicate Adjustments.  Notwithstanding anything else to the 
contrary contained herein, in no event will an adjustment be made under the 
provisions of this Section 6 to the number of Warrant Shares issuable upon 
exercise of this Warrant or the Exercise Price for any event if an adjustment 
having substantially the same effect to the Warrantholder as any adjustment 
that otherwise would be made under the provisions of this Section 6 is made 
by the Company for any such event to the number of shares of Common Stock (or 
other securities) issuable upon exercise of this Warrant.

    6.2  No Adjustment for Dividends.  Except as provided in Section 6.1, no 
adjustment in respect of any dividends shall be made during the term of the 
Warrant or upon the exercise of this Warrant.

    6.3  Notice of Adjustment.  Whenever the number of Warrant Shares or the 
Exercise Price of such Warrant Shares is adjusted, as herein provided, the 
Company shall promptly mail by first class, postage prepaid, to the 
Warrantholder, notice of such adjustment or adjustments and a certificate of 
the chief financial officer of the Company setting forth the number of 
Warrant Shares and the Exercise Price of such Warrant Shares after such 
adjustment, setting forth a brief statement of the 

                                       8


<PAGE>


facts requiring such adjustment and setting forth the computation by which 
such adjustment was made.

    7.   Registration Rights.

    7.1  Certain Additional Definitions.

    As used in this Warrant, the following capitalized terms shall have the 
following meanings:

    "Prospectus" shall mean the prospectus included in any Registration 
Statement, as amended or supplemented by any prospectus supplement with 
respect to the terms of the offering of any portion of the Registrable 
Securities covered by such Registration Statement and by all other amendments 
and supplements to the prospectus, including post-effective amendments and 
all material incorporated by reference in such prospectus.

    "Register," "registered" and "registration" refer to a registration 
effected by preparing and filing with the SEC a registration statement or 
similar document in compliance with the Securities Act, and such registration 
statement or document becoming effective under the Securities Act.

    "Registrable Securities" shall mean (i) the Warrant Shares and (ii) any 
Common Stock issued as (or issuable upon the conversion or exercise of any 
warrant, right or other security which is issued as) a dividend or other 
distribution with respect to, or in exchange for or in replacement of, such 
Warrant Shares.

    "Registration Statement" shall mean any registration statement of the 
Company that covers any of the Registrable Securities pursuant to the 
provisions of this Warrant, including the Prospectus, amendments and 
supplements to such Registration Statement, including post-effective 
amendments, all exhibits and all material incorporated by reference in such 
Registration Statement.

    7.2  Registration.  Upon the written request of Warrantholder (a "Demand 
Request"), but in no event later than four (4) years from the date hereof, 
the Company shall:

    (a)  within ten (10) days of the Company's receipt of a Demand Request, 
give written notice of such request to all holders of Registerable Securities 
("Holders");

    (b)  prepare and file with the SEC within sixty (60) days of the 
Company's receipt of a Demand Request, and use its reasonable best efforts to 
have declared effective by the SEC, a Registration Statement on any 
appropriate form under the Securities Act as may then be available to the 
Company relating to resale of all of the Registrable Securities which the 
Holders 

                                       9


<PAGE>

request to be registered within twenty (20) days of the mailing of the notice 
required under Section 7.2(a) and use its reasonable best efforts to cause 
such Registration Statement to remain continuously effective for a period of 
one (1) year or such shorter period which will terminate when all Registrable 
Securities covered by such Registration Statement have been sold; provided 
that a registration will not count as the permitted demand registration until 
the Registration Statement becomes effective and remains effective for the 
period specified herein, so long as such registration is not withdrawn at the 
request of the holder;

    (c)  prepare and file with the SEC such amendments, supplements and 
post-effective amendments to the Registration Statement and the Prospectus as 
may be necessary to keep such Registration Statement effective for the period 
specified in Section 7.2(a) and to comply with the provisions of the 
Securities Act and the Exchange Act with respect to the distribution of all 
Registrable Securities during such period;

    (d)  notify the Warrantholder promptly, and confirm such notice in 
writing, (i) when the Prospectus or any supplement or post-effective 
amendment has been filed and, with respect to the Registration Statement or 
any post-effective amendment, when the same has become effective, (ii) of any 
request by the SEC for amendments or supplements to the Registration 
Statement or Prospectus or for additional information, (iii) of the issuance 
by the SEC of any stop order suspending the effectiveness of the Registration 
Statement or the initiation of any proceedings for that purpose, (iv) of the 
receipt by the Company of any notification with respect to the suspension of 
the qualification of the Registrable Securities for sale in any jurisdiction 
or the initiation or threatening of any proceeding for such purpose, and (v) 
when a Prospectus or a Prospectus supplement is required to be delivered 
under the Securities Act upon discovery that the Prospectus, as then in 
effect, includes an untrue statement of material fact or omits to state a 
material fact necessary to make the statements therein not misleading in 
light of the circumstances then existing, which requires amendment or 
supplementation of the Registration Statement or Prospectus;

    (e)  use its reasonable best efforts to obtain the withdrawal of any 
order suspending the effectiveness of the Registration Statement at the 
earliest possible moment;

    (f)  deliver to the Warrantholder without charge as many copies of the 
Prospectus (including each preliminary Prospectus) and any amendment or 
supplement thereto as Warrantholder may reasonably request in order to 
facilitate the disposition of the Registrable Securities in compliance with 
the Securities Act;

    (g)  cause all Registrable Securities covered by the Registration 
Statement to be listed on each securities exchange or market on which shares 
of the Common Stock are then listed,

                                       10


<PAGE>

and if the shares of the Common Stock are not so listed, use its reasonable 
best efforts promptly to cause all such Registerable Securities to be listed 
on either the New York Stock Exchange, the American Stock Exchange or the 
Nasdaq Stock Market;

    (h)  use its reasonable best efforts to qualify or register the 
Registrable Securities for sale under (or obtain exemptions from the 
application of) the Blue Sky laws of such jurisdictions as are reasonably 
requested by Investor.  The Company shall not be required to qualify as a 
foreign corporation or to file a general consent to service of process in any 
such jurisdiction where it is not presently qualified or where it would be 
subject to general service of process or taxation as a foreign corporation in 
any jurisdiction where it is not now so subject;

    (i)  otherwise use its reasonable best efforts to comply with all 
applicable rules and regulations of the SEC under the Securities Act and the 
Exchange Act and take such other actions as may be reasonably necessary to 
facilitate the registration of the Registrable Securities hereunder.

    Warrantholder shall furnish to the Company such information regarding the 
distribution of such securities as the Company may from time to time 
reasonably request in writing.

    If the Company delivers a certificate in writing to Warrantholder to the 
effect that a delay in the sale of Registrable Securities by Warrantholder 
under the Registration Statement is necessary because a sale pursuant to such 
Registration Statement in its then current form would reasonably be expected 
to constitute a violation of the federal securities laws, then Warrantholder 
shall agree not to sell or otherwise transfer such Registrable Securities for 
the period of time specified by the Company in its certificate.  In no event 
shall such delay exceed ten (10) business days; provided, however, that if, 
prior to the expiration of such ten (10) business day period, the Company 
delivers a certificate in writing to Warrantholder to the effect that a 
further delay in such sale beyond such ten (10) business day period is 
necessary because a sale pursuant to such Registration Statement in its then 
current form would reasonably be expected to constitute a violation of the 
federal securities laws, the Company may refuse to permit Warrantholder to 
resell any Registrable Securities pursuant to such Registration Statement for 
one additional period not to exceed five (5) business days.

    7.3  Registration Expenses.  All expenses incident to the Company's 
performance of or compliance with this Agreement, including without 
limitation all registration and filing fees, fees with respect to the filings 
required to be made with the National Association of Securities Dealers, 
Inc., fees and expenses of compliance with the securities or Blue Sky laws, 
printing expenses, messenger, telephone and delivery expenses, fees and 
disbursements of counsel for the Company, fees and 

                                      11


<PAGE>


disbursements of all independent certified public accountants of the Company, 
fees and expenses incurred in connection with the listing of the securities, 
rating agency fees and the fees and expenses of any person, including special 
experts, retained by the Company, will be borne by the Company, regardless of 
whether the Registration Statement becomes effective; provided, however, that 
the Company will not be required to pay discounts, commissions or fees of 
underwriters, selling brokers, dealer managers or similar securities industry 
professionals relating to the distribution of the Registrable Securities or 
fees or disbursements of any counsel to Warrantholder.

    7.4  Underwritten Registrations; Selection of Underwriter.  If the 
Warrantholder so elects, the offering of Registerable Securities shall be in 
the form of an underwritten offering and the Company shall have the exclusive 
right to designate the managing underwriter or underwriters with respect to 
the related offering of the Registerable Securities, which underwriter or 
underwriters must be reasonably acceptable to the Warrantholder.

    7.5  Rule 144.  The Company covenants that it will file the reports 
required to be filed by it under the Securities Act and the Exchange Act and 
it will take such further action as Warrantholder may reasonably request, all 
to the extent required to enable Warrantholder to sell Registrable Securities 
without registration under the Securities Act in reliance on the exemption 
provided by Rule 144 or Rule 144A or any successor or similar rules or 
statues.  Upon the request of Warrantholder, the Company will deliver to 
Warrantholder a written statement as to whether the Company has complied with 
such information and requirements.

    7.6  Transfer or Assignment of Registration Rights. The rights to cause 
the Company to register Securities and all related rights granted to 
Warrantholder by the Company under this Section 7 may be transferred or 
assigned by Warrantholder only to a transferee or assignee of not less than 
100,000 shares of Registrable Securities (as presently constituted and 
subject to subsequent adjustments for stock splits, stock dividends, reverse 
stock splits, and the like), provided that the Company is given written 
notice at the time of or within a reasonable time after such transfer or 
assignment, stating the name and address of the transferee or assignee and 
identifying the Securities with respect to which such registration rights are 
being transferred or assigned, and, provided further, that the transferee or 
assignee of such rights assumes the obligations of Warrantholder under this 
Section 7.

    7.7  "Market Stand-Off" Agreement.  If requested by the Company and an 
underwriter of Common Stock (or other securities) of the Company, 
Warrantholder shall not sell or otherwise transfer or dispose of any Common 
Stock (or other securities) of the Company held by Warrantholder (other than 
those included in the registration) during the one hundred twenty (120) day 
period 

                                      12


<PAGE>

following the effective date of a registration statement of the Company filed 
under the Securities Act.

    The obligations described in this Section 7.7 shall not apply to a 
registration relating solely to employee benefit plans on Form S-1 or Form 
S-8 or similar forms that may be promulgated in the future, or a registration 
relating solely to a Rule 145 transaction on Form S-4 or similar forms that 
may be promulgated in the future.  The Company may impose stop-transfer 
instructions with respect to the Securities subject to the foregoing 
restriction until the end of such one hundred twenty (120) day period.

    Each time the Company invokes its Market Stand-off rights under this 
Section 7.7 while the Warrantholder is entitled to make a Demand Request, the 
period during which the Warrantholder shall be entitled to make a Demand 
Request under Section 7.2 hereof shall be extended by an additional one 
hundred twenty (120) days; provided, however, that the Warrantholder's Demand 
Request period will not be extended following the first Market Stand-Off 
unless such Market Stand-Off occurs within one hundred twenty (120) days of 
the expiration of the Warrantholder's Demand Request period.

    7.8  Indemnification.  In the event any Registrable Securities are 
included in a Registration Statement under this Section 7:

    (a)  To the extent permitted by law, the Company will indemnify and hold 
harmless the Warrantholder, any person or entity to or through whom the 
Warrantholder sells Registerable Securities that may be deemed to be an 
underwriter (as defined in the Securities Act), any officer, director, 
partner or agent thereof, and each person, if any, who controls the 
Warrantholder or underwriter within the meaning of the Securities Act or the 
Exchange Act against any and all losses, claims, damages, or liabilities 
(joint or several) to which they may become subject under the Securities Act, 
the Exchange Act or other United States federal or state securities law, 
insofar as such losses, claims, damages, or liabilities (or actions in 
respect thereof) arise out of or are based upon any of the following 
statements, omissions or violations (collectively a "Violation"):  (i) any 
untrue statement or alleged untrue statement of a material fact contained in 
any related registration statement, including any preliminary prospectus or 
final prospectus contained therein or any amendments or supplements thereto 
or offering circular or in any application or other document or communication 
executed by or on behalf of the Company relating to such registration 
(together, "Selling Documents"), (ii) the omission or alleged omission to 
state therein a material fact required to be stated therein, or necessary to 
make the statements therein not misleading, or (iii) any violation or alleged 
violation by the Company of the Securities Act, the Exchange Act or other 
United States federal or state securities law, or any rule or

                                      13


<PAGE>

regulation promulgated under the Securities Act, the Exchange Act or other 
United States federal or state securities law; and the Company will pay to 
the Warrantholder, underwriter or controlling person any legal or other 
expenses reasonably incurred by them in connection with investigating or 
defending any such loss, claim, damage, liability, or action as incurred; 
provided, however, that the indemnity agreement contained in this subsection 
7.8(a) shall not apply to amounts paid in settlement of any such loss, claim, 
damage, liability, or action if such settlement is effected without the 
consent of the Company (which consent shall not be unreasonably withheld), 
nor shall the Company be liable in any such case for any such loss, claim, 
damage, liability, or action to the extent that it arises out of or is based 
upon a Violation which occurs in reliance upon and in conformity with written 
information furnished expressly for use in connection with such registration 
by the Warrantholder, underwriter or controlling person.

    (b)  To the extent permitted by law, the Warrantholder will indemnify and 
hold harmless the Company, each of its directors, each of its officers who 
has signed the Selling Document, each person, if any, who controls the 
Company within the meaning of the Securities Act, any underwriter, any 
officer, director, partner or agent thereof and any controlling person of any 
such underwriter, against any losses, claims, damages, or liabilities (joint 
or several) to which any of the foregoing persons may become subject, under 
the Securities Act, the Exchange Act or other United States federal or state 
securities law insofar as such losses, claims, damages, or liabilities (or 
actions in respect thereto) arise out of or are based upon any Violation, in 
each case to the extent (and only to the extent) that such Violation occurs 
in reliance upon and in conformity with written information furnished by the 
Warrantholder expressly for use in connection with such registration; and the 
Warrantholder will pay any legal or other expenses reasonably incurred by any 
person intended to be indemnified pursuant to this subsection 7.8(b), in 
connection with investigating or defending any such loss, claim, damage, 
liability, or action; provided, however, that the indemnity agreement 
contained in this subsection 7.8(b) shall not apply to amounts paid in 
settlement of any such loss, claim, damage, liability or action if such 
settlement is effected without the consent of the Warrantholder, which 
consent shall not be unreasonably withheld; provided further, that in no 
event shall any indemnity under this subsection 7.8(b) exceed the proceeds 
(net of underwriting discounts and commissions) from the related offering of 
the Registerable Securities received by the Warrantholder.

    (c)  After receipt by an indemnified party under this Section 7.8 of 
notice of the commencement of any action (including any governmental action) 
involving a claim referred to in Sections 7.8(a) or 7.8(b) hereof, such 
indemnified party will, if a claim in respect thereof is to be made against 
any indemnifying party under this Section 7.8, deliver to the 

                                      14


<PAGE>

indemnifying party a written notice of the commencement thereof and the 
indemnifying party shall have the right to participate in, and, to the extent 
the indemnifying party so desires, jointly with any other indemnifying party 
similarly noticed, to assume the defense thereof with counsel mutually 
satisfactory to the parties; provided, however, that an indemnified party 
(together with all other indemnified parties which may be represented without 
conflict by one counsel) shall have the right to retain one separate counsel, 
with the fees and expenses to be paid by the indemnifying party, if 
representation of such indemnified party by the counsel retained by the 
indemnifying party would be inappropriate due to actual or potential 
differing interests between such indemnified party and any other party 
represented by such counsel in such proceeding.  The failure to deliver 
written notice to the indemnifying party within a reasonable time of the 
commencement of any such action, if prejudicial to its ability to defend such 
action, shall relieve such indemnifying party of any liability to the 
indemnified party under this Section 7.8, but the omission so to deliver 
written notice to the indemnifying party will not relieve it of any liability 
that it may have to any indemnified party otherwise than under this Section 
7.8.

    (d)  If the indemnification provided for in this Section 7.8 is held by a 
court of competent jurisdiction to be unavailable to an indemnified party 
with respect to any loss, liability, claim, damage, or expense referred to 
therein, then the indemnifying party, in lieu of indemnifying such 
indemnified party hereunder, shall contribute to the amount paid or payable 
by such indemnified party as a result of such loss, liability, claim, damage, 
or expense in such proportion as is appropriate to reflect the relative fault 
of the indemnifying party on the one hand and of the indemnified party on the 
other in connection with the statements or omissions that resulted in such 
loss, liability, claim, damage, or expense as well as any other relevant 
equitable considerations; provided, however, that in any such case, (A) the 
Warrantholder will not be required to contribute any amount in excess of the 
proceeds (net of underwriting discounts and commissions) received by the 
Warrantholder from all Registrable Securities offered and sold by the 
Warrantholder pursuant to the applicable Selling Document; and (B) no person 
or entity guilty of fraudulent misrepresentation (within the meaning of 
Section 11(f) of the Securities Act) will be entitled to contribution from 
any person or entity who was not guilty of such fraudulent misrepresentation. 
 The relative fault of the indemnifying party and of the indemnified party 
shall be determined by reference to, among other things, whether the 
Violation relates to information supplied by the indemnifying party or by the 
indemnified party and the parties' relative intent, knowledge, access to 
information, and opportunity to correct or prevent such statement or omission.

                                      15

<PAGE>

    (e)  Notwithstanding the foregoing, to the extent that the provisions on 
indemnification and contribution contained in any underwriting agreement 
entered into by the Company in connection with an underwritten public 
offering are in conflict with the foregoing provisions, the provisions in the 
underwriting agreement shall control, provided that the Warrantholder is a 
signatory to the underwriting agreement.

    (f)  The obligations of the Company and the Warrantholder under this 
Section 7.8 shall survive the completion of any offering of Registrable 
Securities in a Registration Statement under this Section 7 and otherwise.

    8.   Notices of Corporate Action.

    In the event of

    (a)  any taking by the Company of a record of the holders of any class of 
securities for the purpose of determining the holders thereof who are 
entitled to receive any dividend or other distribution, or any right to 
subscribe for, purchase or otherwise acquire any shares of stock of any class 
or any other securities or property, or to receive any other right, or

    (b)  any capital reorganization of the Company, any reclassification or 
recapitalization of the capital stock of the Company or any Change of 
Control, or

    (c)  any voluntary or involuntary dissolution, liquidation or winding-up 
of the Company,

the Company will mail to the Warrantholder a notice specifying (i) the date 
or expected date on which any such record is to be taken for the purpose of 
such dividend, distribution or right and the amount and character of any such 
dividend, distribution or right, (ii) the date or expected date on which any 
such reorganization, reclassification, recapitalization, Change of Control, 
dissolution, liquidation or winding-up is to take place and the time, if any 
such time is to be fixed, as of which the holders of record of Common Stock 
(or other securities) shall be entitled to exchange their shares of Common 
Stock (or other securities) for the securities or other property deliverable 
upon such reorganization, reclassification, recapitalization, Change of 
Control, dissolution, liquidation or winding-up and (iii) that in the event 
of a Change of Control, the Warrants are exercisable immediately prior to the 
consummation of such Change of Control.  Such notice shall be mailed at least 
20 days prior to the date therein specified, in the case of any date referred 
to in the foregoing subdivision (i), and at least 20 days prior to the date 
therein specified, in the case of the date referred to in the foregoing 
subdivision (ii).

                                      16

<PAGE>

    9.   Definitions.

    As used herein, unless the context otherwise requires, the following 
terms have the following respective meanings:

    Business Day:  any day other than a Saturday, Sunday or a day on which 
national banks are authorized by law to close in the City of New York, State 
of New York.

    Change of Control:  shall mean (i) the consolidation of the Company with 
or merger of the Company with or into any other person in which the Company 
is not the surviving corporation, (ii) the sale of all or substantially all 
of the assets of the Company to any other person or (iii) any sale or 
transfer of any capital stock of the Company after the date of this 
agreement, following which more than fifty percent (50%) of the combined 
voting power of the Company becomes beneficially owned by one person or group 
acting together.  For purposes of this definition, "group" shall have the 
meaning as such term is used in Section 13(d)(1) under the Exchange Act.

    Company:  The Immune Response Corporation, a Delaware corporation.

    Exchange Act:  the Securities Exchange Act of 1934, as amended, or any 
successor federal statute, and the rules and regulations of the SEC 
thereunder, all as the same shall be in effect at the time.  Reference to a 
particular section of the Securities Exchange Act of 1934, as amended, shall 
include a reference to a comparable section, if any, of any successor federal 
statute.

    Exercise Form:  an Exercise Form in the form annexed hereto as Exhibit A.

    Exercise Price:  the meaning specified on the cover of this Warrant, as 
such price may be adjusted pursuant to Section 6 hereof.

    Nasdaq:  the meaning specified in Section 1.1(c)(ii).

    SEC:  the Securities and Exchange Commission or any other federal agency 
at the time administering the Securities Act or the Exchange Act, whichever 
is the relevant statute for the particular purpose.

    Securities Act:  the Securities Act of 1933, as amended, or any successor 
federal statute, and the rules and regulations of the Commission thereunder, 
all as the same shall be in effect at the time.  Reference to a particular 
section of the Securities Act of 1933, as amended, shall include a reference 
to the comparable section, if any, of any successor federal statute.

                                      17

<PAGE>

    Warrantholder:  the meaning specified on the cover of this Warrant.

    Warrant Shares:  the meaning specified on the cover of this Warrant, 
subject to the provisions of Section 6.

    10.  Miscellaneous.

    10.1 Entire Agreement.  This Warrant constitutes the entire agreement 
between the Company and the Warrantholder with respect to this Warrant and 
supersede all prior agreements and understandings, both written and oral, 
with regard to the subject matter hereof.

    10.2 Binding Effects; Benefits.  This Warrant shall inure to the benefit 
of and shall be binding upon the Company and the Warrantholder and their 
respective successors.  Nothing in this Warrant, expressed or implied, is 
intended to or shall confer on any person other than the Company and the 
Warrantholder, or their respective successors, any rights, remedies, 
obligations or liabilities under or by reason of this Warrant.

    10.3 Amendments and Waivers.  This Warrant may not be modified or amended 
except by an instrument or instruments in writing signed by the Company and 
the Warrantholder. Either the Company or the Warrantholder may, by an 
instrument in writing, waive compliance by the other party with any term or 
provision of this Warrant on the part of such other party hereto to be 
performed or complied with. The waiver by any such party of a breach of any 
term or provision of this Warrant shall not be construed as a waiver of any 
subsequent breach.

    10.4 Section and Other Headings.  The section and other headings 
contained in this Warrant are for reference purposes only and shall not be 
deemed to be a part of this Warrant or to affect the meaning or 
interpretation of this Warrant.

    10.5 Further Assurances.  Each of the Company and the Warrantholder shall 
do and perform all such further acts and things and execute and deliver all 
such other certificates, instruments and documents as the Company or the 
Warrantholder may, at any time and from time to time, reasonably request in 
connection with the performance of any of the provisions of this agreement.

    10.6 Notices.  All notices and other communications required or permitted 
to be given under this Warrant shall be in writing and shall be deemed to 
have been duly given if delivered personally or sent by United States mail, 
postage prepaid, to the parties hereto at the following addresses or to such 
other address as any party hereto shall hereafter specify by notice to the 
other party hereto:

                                      18

<PAGE>

    (a)  if to the Company, addressed to:

         The Immune Response Corporation
         5935 Darwin Court
         Carlsbad, California 92008
         Attention:  President
         Telecopier:  (760) 431-8636

    (b)  if to the Warrantholder, addressed to:

         Kevin B. Kimberlin
         Spencer Trask, Inc.
         535 Madison Avenue
         New York, NY 10022
         Telecopier:  (212) 751-3483

Except as otherwise provided herein, all such notices and communications 
shall be deemed to have been received on the date of delivery thereof, if 
delivered personally, or on the third Business Day after the mailing thereof.

    10.7 Severability.  Any term or provision of this Warrant which is 
invalid or unenforceable in any jurisdiction shall, as to such jurisdiction, 
be ineffective to the extent of such invalidity or unenforceability without 
rendering invalid or unenforceable the terms and provisions of this Warrant 
or affecting the validity or enforceability of any of the terms or provisions 
of this Warrant in any other jurisdiction.

    10.8 Governing Law.  This Warrant shall be governed by and interpreted in 
accordance with the laws of the State of Delaware, except as they may be 
preempted by federal law. In any action brought or arising out of this 
Warrant, the Warrantholder and the Company hereby consent to the jurisdiction 
of any federal or state court having proper venue within the State of 
California and also consent to the service of process by any means authorized 
by California or federal law.

    10.9 Termination.  This Warrant shall expire at 5:00 P.M., Pacific 
standard time, on the fourth anniversary hereof; provided, however, that the 
rights and obligations of the Company and the Warrantholder under Section 7.8 
hereof shall survive such termination.

    10.10 No Rights or Liabilities as Stockholder.  Nothing contained in this 
Warrant shall be determined as conferring upon the Warrantholder any rights 
as a stockholder of the Company until the Warrantholder exercises this 
Warrant in whole or in part, or as imposing any liabilities on the 
Warrantholder to

                                      19

<PAGE>

purchase any securities whether such liabilities are asserted by the Company 
or by creditors or stockholders of the Company or otherwise.

    IN WITNESS WHEREOF, the Company has caused this Warrant to be signed by 
its duly authorized officer.

    Dated: June 26, 1997.

                                                THE IMMUNE RESPONSE CORPORATION



                                                By /s/ Charles J. Cashion
                                                   ----------------------------
                                                Title Vice President
                                                      -------------------------
   
                                      20

<PAGE>
  
                                   Exhibit A


THIS WARRANT AND ANY SHARES ACQUIRED UPON THE EXERCISE OF THIS WARRANT HAVE 
NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT 
BE SOLD OR OTHERWISE TRANSFERRED EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION 
STATEMENT FILED UNDER SUCH ACT OR PURSUANT TO AN EXEMPTION FROM REGISTRATION 
UNDER SUCH ACT.

                                 EXERCISE FORM

                 (To be executed upon exercise of this Warrant)

    The undersigned hereby irrevocably elects to exercise the right, 
represented by this Warrant, to purchase Warrant Shares and (check one):

     / /  herewith tenders payment for _______ of the Warrant Shares to the
          order of The Immune Response Corporation in the amount of $_________
          in accordance with the terms of this Warrant; or

     / /  herewith tenders this Warrant for _______ Warrant Shares pursuant to
          the Net Issue Exercise provisions of Section 1.1(b) of the Warrant.

The undersigned requests that a certificate (or certificates) for such 
Warrant Shares be registered in the name of the undersigned and that such 
certificate (or certificates) be delivered to the undersigned's address below.

    In exercising this Warrant, the undersigned hereby confirms and 
acknowledges that the Warrant Shares are being acquired for investment solely 
for the account of the undersigned and not as a nominee for any other party, 
and that the undersigned will not offer, sell or otherwise dispose of any 
such Warrant Shares except under circumstances that will not result in a 
violation of the Securities Act of 1933, as amended, or any state securities 
laws.

    Dated:  ___________________.

                                 Signature  -----------------------------------

                                            -----------------------------------
                                                       (Print Name)

                                            -----------------------------------
                                                     (Street Address)

                                            -----------------------------------
                                            (City)      (State)      (Zip Code)

    If said number of shares shall not be all the shares purchasable under 
the within Warrant, a new Warrant is to be issued in the name of said 
undersigned for the balance remaining of the shares purchasable thereunder.




<PAGE>
                                                                   Exhibit 10.63




                        THIS WARRANT IS NON-TRANSFERABLE AND 
                   MAY ONLY BE EXERCISED BY THE ORIGINAL PURCHASER

- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------


    THIS WARRANT AND ANY SHARES ACQUIRED UPON THE EXERCISE OF THIS WARRANT HAVE
NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE
SOLD OR OTHERWISE TRANSFERRED EXCEPT PURSUANT TO AN EFFECTIVE REGISTRATION
STATEMENT FILED UNDER SUCH ACT OR PURSUANT TO AN EXEMPTION FROM REGISTRATION
UNDER SUCH ACT.





                      *****************************************

                           The Immune Response Corporation
                            COMMON STOCK PURCHASE WARRANT

                      *****************************************

    This certifies that, for good and valuable consideration, The Immune
Response Corporation, a Delaware corporation (the "Company"), grants to Dennis
J. Carlo, Ph.D. (the "Warrantholder"), the right to subscribe for and purchase
from the Company 2,695 validly issued, fully paid and nonassessable shares (the
"Warrant Shares") of the Company's Common Stock, $.0025 par value (the "Common
Stock"), at the purchase price per share of $14 (the "Exercise Price"),
exercisable at any time and from time to time during the period (the "Exercise
Period") commencing on the 26th day of June, 1997 and ending on the fourth
anniversary of the date hereof, all subject to the terms, conditions and
adjustments herein set forth.



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- -------------------------------------------------------------------------------




                                       1

<PAGE>


    1.   Duration and Exercise of Warrant; Call of Warrant; Payment of
         Taxes; Information.

    1.1  Duration and Exercise of Warrant.

    (a)  Cash Exercise.  This Warrant may be exercised in whole or in part by
the Warrantholder by (i) the surrender of this Warrant to the Company, with a
duly executed Exercise Form specifying the number of Warrant Shares to be
purchased, during normal business hours on any Business Day during the Exercise
Period and (ii) the delivery of payment to the Company, for the account of the
Company, by wire transfer of immediately available funds to a bank account
specified by the Company of the Exercise Price for the number of Warrant Shares
specified in the Exercise Form in lawful money of the United States of America.

    (b)  Net Issue Exercise.  In lieu of exercising this Warrant pursuant to
Section 1.1(a), this Warrant may be exercised in whole or in part by the
Warrantholder by the surrender of this Warrant to the Company, with a duly
executed Exercise Form marked to reflect Net Issue Exercise and specifying the
number of Warrant Shares to be purchased, during normal business hours on any
Business Day during the Exercise Period.  Upon such exercise, the Warrantholder
shall be entitled to receive shares equal to the value of this Warrant (or the
portion thereof being canceled) by surrender of this Warrant to the Company
together with notice of such election in which event the Company shall issue to
Warrantholder a number of shares of the Company's Common Stock computed as of
the date of surrender of this Warrant to the Company using the following
formula:

             Y x (A-B)
         X = ---------
                 A

Where    X =  the number of shares of Common Stock to be issued to
              Warrantholder under this Section 1.1(b);

         Y =  the number of shares of Common Stock purchasable under this 
              Warrant, or any lesser number of shares as to which this Warrant 
              is being exercised (at the date of such calculation);

         A =  the fair market value of one share of the Company's Common Stock 
              (at the date of such calculation);

         B =  the Exercise Price (as adjusted to the date of such calculation).

    (c)  Other Forms of Exercise.  This Warrant may also be exercised in whole
or in part by the Warrantholder by (i) the surrender of this Warrant to the
Company, with a duly executed Exercise Form specifying the number of Warrant
Shares to be purchased, during normal business hours on any Business Day during
the Exercise Period and (ii) payment of the Exercise 

                                       2
<PAGE>

Price, in whole or in part, by delivery to the Company of (A) shares of 
Common Stock owned by the Warrantholder having a fair market value as of the 
close of business on the date on which this Warrant shall have been 
surrendered equal to the portion of the Exercise Price being paid in such 
shares, or (B) irrevocable instructions to a broker-dealer to sell (or 
margin) a sufficient portion of the Warrant Shares and deliver the sale (or 
margin loan) proceeds directly to the Company to pay for the Exercise Price.

    (d)  Procedural Issues.  All Warrant Shares issued pursuant to this Section
1.1 shall be deemed to be issued to the Warrantholder as the record holder of
such Warrant Shares as of the close of business (i) on the date on which this
Warrant shall have been surrendered and payment made for the Warrant Shares, if
issued pursuant to Section 1.1(a) or Section 1.1(c), or (ii) on the date on
which this Warrant shall have been surrendered, if issued pursuant to Section
1.1(b).  A stock certificate or certificates for the Warrant Shares specified in
the Exercise Form shall be delivered to the Warrantholder as promptly as
practicable, and in any event within ten (10) days, thereafter.  The stock
certificate or certificates so delivered shall be in denominations of 100 shares
each or such lesser or greater denominations as may be reasonably specified by
the Warrantholder in the Exercise Form.  If this Warrant shall have been
exercised only in part, the Company shall, at the time of delivery of the stock
certificate or certificates, deliver to the Warrantholder a new Warrant
evidencing the rights to purchase the remaining Warrant Shares, which new
Warrant shall in all other respects be identical with this Warrant.  No
adjustments shall be made on Warrant Shares issuable on the exercise of this
Warrant for any cash dividends paid or payable to holders of record of Common
Stock prior to the date as of which the Warrantholder shall be deemed to be the
record holder of such Warrant Shares.

    (e)  Fair Market Value.  For purposes of Sections 1.1(b), 1.1(c), 1.2 and
6.1(d), fair market value of one share of the Company's Common Stock shall mean:

         (i) the closing price per share of the Company's Common Stock on
    the principal national securities exchange on which the Common Stock
    is listed or admitted to trading or,

         (ii) if not listed or traded on any such exchange, the last
    reported sales price per share on the Nasdaq National Market or the
    Nasdaq Small-Cap Market (collectively, "Nasdaq") or,

         (iii) if not listed or traded on any such exchange or Nasdaq, the
    average of the bid and asked price per share as reported in the "pink
    sheets" 

                                       3
<PAGE>

    published by the National Quotation Bureau, Inc. (the "pink sheets") or,

         (iv)  if such quotations are not available, the fair market value
    per share of the Company's Common Stock on the date such notice was
    received by the Company as reasonably determined by the Board of
    Directors of the Company.

    1.2  Call of Warrant by Company.  If at any time prior to the exercise of
this Warrant in full, the fair market value of one share of the Company's Common
Stock remains equal to or greater than $28 over any consecutive forty-five (45)
day period (the "Threshold Period"), the Company shall have the option to
purchase this Warrant from Warrantholder for $.05 per Warrant Share.  To
exercise this call option, the Company shall, within thirty (30) days following
termination of the Threshold Period, and at least thirty (30) days prior to
exercise of the option, provide the Warrantholder with written notice specifying
the date the option will be exercised.  The Warrantholder then shall have ten
(10) days after receipt of such notice to exercise its rights under this
Warrant.

    If the Company fails to exercise this call option in the manner and within
the time periods specified in this Section 1.2, the Company shall be deemed to
have waived its right to invoke such option and Warrantholder shall retain all
rights granted to it under this Warrant as though the Threshold Period had never
occurred; provided, however, that the Company's call option shall be revived
should the Company's Common Stock again trade at or above $28 for an additional
Threshold Period following any previous waiver by the Company of such option.

    1.3  Payment of Taxes.  The issuance of certificates for Warrant Shares
shall be made without charge to the Warrantholder for any stock transfer or
other issuance tax in respect thereto; provided, however, that the Warrantholder
shall be required to pay any and all taxes which may be payable in respect of
any transfer involved in the issuance and delivery of any certificate in a name
other than that of the then Warrantholder as reflected upon the books of the
Company.

    1.4  Information.  Upon receipt of a written request from a Warrantholder,
the Company agrees to deliver promptly to such Warrantholder a copy of its
current publicly available financial statements and to provide such other
publicly available information concerning the business and operations of the
Company as such Warrantholder may reasonably request in order to assist the
Warrantholder in evaluating the merits and risks of exercising the Warrant and
to make an informed investment decision in connection with such exercise.

                                       4
<PAGE>

    2.   Restrictions on Transfer; Restrictive Legends.

    2.1  Restrictions on Transfer; Compliance with Securities Laws.  This
Warrant is not assignable.  The Warrant Shares issued upon the exercise of the
Warrant may not be transferred or assigned in whole or in part without
compliance with all applicable federal and state securities laws by the
transferor and transferee (including the delivery of investment representation
letters and legal opinions reasonably satisfactory to the Company, if such are
requested by the Company).  The Warrantholder, by acceptance hereof,
acknowledges that this Warrant and the Warrant Shares to be issued upon exercise
hereof are being acquired solely for the Warrantholder's own account and not as
a nominee for any other party, and for investment, and that the Warrantholder
will not offer, sell or otherwise dispose of any Warrant Shares to be issued
upon exercise hereof except under circumstances that will not result in a
violation of the Securities Act or any state securities laws.  Upon exercise of
this Warrant, the Warrantholder shall, if requested by the Company, confirm in
writing, in a form satisfactory to the Company, that the Warrant Shares so
purchased are being acquired solely for the Warrantholder's own account and not
as a nominee for any other party, for investment, and not with a view toward
distribution or resale.

    2.2 Restrictive Legends.  This Warrant shall (and each Warrant issued in
substitution for this Warrant issued pursuant to Section 4 shall) be stamped or
otherwise imprinted with a legend in substantially the following form:

         "THIS WARRANT AND ANY SHARES ACQUIRED UPON THE EXERCISE OF THIS
    WARRANT HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS
    AMENDED, AND MAY NOT BE SOLD OR OTHERWISE TRANSFERRED EXCEPT PURSUANT
    TO AN EFFECTIVE REGISTRATION STATEMENT FILED UNDER SUCH ACT OR
    PURSUANT TO AN EXEMPTION FROM REGISTRATION UNDER SUCH ACT."

Except as otherwise permitted by this Section 2, each stock certificate for
Warrant Shares issued upon the exercise of any Warrant and each stock
certificate issued upon the direct or indirect transfer of any such Warrant
Shares shall be stamped or otherwise imprinted with a legend in substantially
the following form:

         "THE SHARES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN
    REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT
    BE SOLD OR OTHERWISE TRANSFERRED EXCEPT PURSUANT TO AN EFFECTIVE
    REGISTRATION STATEMENT FILED UNDER SUCH ACT OR PURSUANT TO AN
    EXEMPTION FROM REGISTRATION UNDER SUCH ACT."

                                       5
<PAGE>

    Notwithstanding the foregoing, the Warrantholder may require the Company to
issue a stock certificate for Warrant Shares without a legend if (i) such
Warrant Shares, as the case may be, have been registered for resale under the
Securities Act or sold pursuant to Rule 144 under the Securities Act (or a
successor rule thereto) or (ii) the Warrantholder has received an opinion of
counsel reasonably satisfactory to the Company that such registration is not
required with respect to such Warrant Shares.

    3.   Reservation and Listing of Shares, Etc.

    The Company covenants and agrees that all Warrant Shares which are issued
upon the exercise of this Warrant will, upon issuance, be validly issued, fully
paid and nonassessable and free from all taxes, liens, security interests,
charges and other encumbrances with respect to the issue thereof, other than
taxes in respect of any transfer occurring contemporaneously with such issue. 
The Company further covenants and agrees that, during the Exercise Period, the
Company will at all times have authorized and reserved, and keep available free
from preemptive rights, a sufficient number of shares of Common Stock to provide
for the exercise of the rights represented by this Warrant and will, at its
expense, upon each such reservation of shares, procure such listing of such
shares of Common Stock (subject to issuance or notice of issuance) as then may
be required on all stock exchanges on which the Common Stock is then listed or
on Nasdaq.

    4.   Exchange, Loss or Destruction of Warrant.

    Upon receipt by the Company of evidence reasonably satisfactory to it of
the loss, theft, destruction or mutilation of this Warrant and, in the case of
loss, theft or destruction, of such bond or indemnification as the Company
reasonably may require, and, in the case of such mutilation, upon surrender and
cancellation of this Warrant, the Company will execute and deliver a new Warrant
of like tenor.  The term "Warrant" as used in this agreement shall be deemed to
include any Warrants issued in substitution or exchange for this Warrant.

    5.   Ownership of Warrant.

    The Company may deem and treat the person in whose name this Warrant is
registered as the holder and owner hereof (notwithstanding any notations of
ownership or writing hereon made by anyone other than the Company) for all
purposes and shall not be affected by any notice to the contrary.

    6.   Certain Adjustments.

    6.1 The number of Warrant Shares purchasable upon the exercise of this
Warrant and the Exercise Price shall be subject to adjustment as follows:

                                       6
<PAGE>

    (a)  Stock Dividends.  If at any time prior to the exercise of this Warrant
in full (i) the Company shall fix a record date for the issuance of any stock
dividend payable in shares of Common Stock or (ii) the number of shares of
Common Stock shall have been increased by a subdivision or split-up of shares of
Common Stock, then, on the record date fixed for the determination of holders of
Common Stock entitled to receive such dividend or immediately after the
effective date of subdivision or split-up, as the case may be, the number of
shares of Common Stock to be delivered upon exercise of this Warrant will be
increased so that the Warrantholder will be entitled to receive the number of
shares of Common Stock that such Warrantholder would have owned immediately
following such action had this Warrant been exercised immediately prior thereto,
and the Exercise Price will be adjusted as provided below in paragraph (f).

    (b)  Combination of Stock.  If at any time prior to the exercise of this
Warrant in full the number of shares of Common Stock outstanding shall have been
decreased by a combination of the outstanding shares of Common Stock, then,
immediately after the effective date of such combination, the number of shares
of Common Stock to be delivered upon exercise of this Warrant will be decreased
so that the Warrantholder thereafter will be entitled to receive the number of
shares of Common Stock that such Warrantholder would have owned immediately
following such action had this Warrant been exercised immediately prior thereto,
and the Exercise Price will be adjusted as provided below in paragraph (f).

    (c)  Reorganization, etc.  If at any time prior to the exercise of this
Warrant in full any capital reorganization of the Company, or any
reclassification of the Common Stock, or any consolidation of the Company with
or merger of the Company with or into any other person or any sale, lease or
other transfer of all or substantially all of the assets of the Company to any
other person, shall be effected in such a way that the holders of Common Stock
shall be entitled to receive stock, other securities or assets, including cash
(whether such stock, other securities or assets are issued or distributed by the
Company or another person) with respect to or in exchange for Common Stock,
then, upon exercise of this Warrant the Warrantholder shall have the right to
receive the kind and amount of stock, other securities or assets receivable upon
such reorganization, reclassification, consolidation, merger or sale, lease or
other transfer by a holder of the number of shares of Common Stock that such
Warrantholder would have been entitled to receive upon exercise of this Warrant
had this Warrant been exercised immediately before such reorganization,
reclassification, consolidation, merger or sale, lease or other transfer,
subject to adjustments that shall be as nearly equivalent as may be practicable
to the adjustments provided for in this Section 6.

                                       7
<PAGE>

    (d)  Fractional Shares.  No fractional shares of Common Stock or scrip
shall be issued to any Warrantholder in connection with the exercise of this
Warrant.  Instead of any fractional shares of Common Stock that would otherwise
be issuable to such Warrantholder, the Company will pay to such Warrantholder a
cash adjustment in respect of such fractional interest in an amount equal to
that fractional interest of the then current fair market value per share of
Common Stock, determined in accordance with Section 1.1(e) hereof.

    (e)  Carryover.  Notwithstanding any other provision of this Section 6, no
adjustment shall be made to the number of shares of Common Stock to be delivered
to the Warrantholder (or to the Exercise Price) if such adjustment represents
less than 1% of the number of shares to be so delivered, but any lesser
adjustment shall be carried forward and shall be made at the time and together
with the next subsequent adjustment which together with any adjustments so
carried forward shall amount to 1% or more of the number of shares to be so
delivered.

    (f)  Exercise Price Adjustment.  Whenever the number of Warrant Shares
purchasable upon the exercise of the Warrant is adjusted, as herein provided,
the Exercise Price payable upon the exercise of this Warrant shall be adjusted
by multiplying such Exercise Price immediately prior to such adjustment by a
fraction, of which the numerator shall be the number of Warrant Shares
purchasable upon the exercise of the Warrant immediately prior to such
adjustment, and of which the denominator shall be the number of Warrant Shares
purchasable immediately thereafter.

    (g)  No Duplicate Adjustments.  Notwithstanding anything else to the
contrary contained herein, in no event will an adjustment be made under the
provisions of this Section 6 to the number of Warrant Shares issuable upon
exercise of this Warrant or the Exercise Price for any event if an adjustment
having substantially the same effect to the Warrantholder as any adjustment that
otherwise would be made under the provisions of this Section 6 is made by the
Company for any such event to the number of shares of Common Stock (or other
securities) issuable upon exercise of this Warrant.

    6.2  No Adjustment for Dividends.  Except as provided in Section 6.1, no
adjustment in respect of any dividends shall be made during the term of the
Warrant or upon the exercise of this Warrant.

    6.3  Notice of Adjustment.  Whenever the number of Warrant Shares or the
Exercise Price of such Warrant Shares is adjusted, as herein provided, the
Company shall promptly mail by first class, postage prepaid, to the
Warrantholder, notice of such adjustment or adjustments and a certificate of the
chief financial officer of the Company setting forth the number of Warrant
Shares and the Exercise Price of such Warrant Shares after such adjustment,
setting forth a brief statement of the 

                                       8
<PAGE>

facts requiring such adjustment and setting forth the computation by which 
such adjustment was made.

    7.   Registration Rights.

    7.1  Certain Additional Definitions.

    As used in this Warrant, the following capitalized terms shall have the
following meanings:

    "Prospectus" shall mean the prospectus included in any Registration
Statement, as amended or supplemented by any prospectus supplement with respect
to the terms of the offering of any portion of the Registrable Securities
covered by such Registration Statement and by all other amendments and
supplements to the prospectus, including post-effective amendments and all
material incorporated by reference in such prospectus.

    "Register," "registered" and "registration" refer to a registration
effected by preparing and filing with the SEC a registration statement or
similar document in compliance with the Securities Act, and such registration
statement or document becoming effective under the Securities Act.

    "Registrable Securities" shall mean (i) the Warrant Shares and (ii) any
Common Stock issued as (or issuable upon the conversion or exercise of any
warrant, right or other security which is issued as) a dividend or other
distribution with respect to, or in exchange for or in replacement of, such
Warrant Shares.

    "Registration Statement" shall mean any registration statement of the
Company that covers any of the Registrable Securities pursuant to the provisions
of this Warrant, including the Prospectus, amendments and supplements to such
Registration Statement, including post-effective amendments, all exhibits and
all material incorporated by reference in such Registration Statement.

    7.2  Registration.  Upon the written request of Warrantholder (a "Demand
Request"), but in no event later than four (4) years from the date hereof, the
Company shall:

    (a)  within ten (10) days of the Company's receipt of a Demand Request,
give written notice of such request to all holders of Registerable Securities
("Holders");

    (b)  prepare and file with the SEC within sixty (60) days of the Company's
receipt of a Demand Request, and use its reasonable best efforts to have
declared effective by the SEC, a Registration Statement on any appropriate form
under the Securities Act as may then be available to the Company relating to
resale of all of the Registrable Securities which the Holders 

                                       9
<PAGE>

request to be registered within twenty (20) days of the mailing of the notice 
required under Section 7.2(a) and use its reasonable best efforts to cause 
such Registration Statement to remain continuously effective for a period of 
one (1) year or such shorter period which will terminate when all Registrable 
Securities covered by such Registration Statement have been sold; provided 
that a registration will not count as the permitted demand registration until 
the Registration Statement becomes effective and remains effective for the 
period specified herein, so long as such registration is not withdrawn at the 
request of the holder;

    (c)  prepare and file with the SEC such amendments, supplements and
post-effective amendments to the Registration Statement and the Prospectus as
may be necessary to keep such Registration Statement effective for the period
specified in Section 7.2(a) and to comply with the provisions of the Securities
Act and the Exchange Act with respect to the distribution of all Registrable
Securities during such period;

    (d)  notify the Warrantholder promptly, and confirm such notice in writing,
(i) when the Prospectus or any supplement or post-effective amendment has been
filed and, with respect to the Registration Statement or any post-effective
amendment, when the same has become effective, (ii) of any request by the SEC
for amendments or supplements to the Registration Statement or Prospectus or for
additional information, (iii) of the issuance by the SEC of any stop order
suspending the effectiveness of the Registration Statement or the initiation of
any proceedings for that purpose, (iv) of the receipt by the Company of any
notification with respect to the suspension of the qualification of the
Registrable Securities for sale in any jurisdiction or the initiation or
threatening of any proceeding for such purpose, and (v) when a Prospectus or a
Prospectus supplement is required to be delivered under the Securities Act upon
discovery that the Prospectus, as then in effect, includes an untrue statement
of material fact or omits to state a material fact necessary to make the
statements therein not misleading in light of the circumstances then existing,
which requires amendment or supplementation of the Registration Statement or
Prospectus;

    (e)  use its reasonable best efforts to obtain the withdrawal of any order
suspending the effectiveness of the Registration Statement at the earliest
possible moment;

    (f)  deliver to the Warrantholder without charge as many copies of the
Prospectus (including each preliminary Prospectus) and any amendment or
supplement thereto as Warrantholder may reasonably request in order to
facilitate the disposition of the Registrable Securities in compliance with the
Securities Act;

    (g)  cause all Registrable Securities covered by the Registration Statement
to be listed on each securities exchange or market on which shares of the Common
Stock are then listed, 

                                       10
<PAGE>

and if the shares of the Common Stock are not so listed, use its reasonable 
best efforts promptly to cause all such Registerable Securities to be listed 
on either the New York Stock Exchange, the American Stock Exchange or the 
Nasdaq Stock Market;

    (h)  use its reasonable best efforts to qualify or register the Registrable
Securities for sale under (or obtain exemptions from the application of) the
Blue Sky laws of such jurisdictions as are reasonably requested by Investor. 
The Company shall not be required to qualify as a foreign corporation or to file
a general consent to service of process in any such jurisdiction where it is not
presently qualified or where it would be subject to general service of process
or taxation as a foreign corporation in any jurisdiction where it is not now so
subject;

    (i)  otherwise use its reasonable best efforts to comply with all
applicable rules and regulations of the SEC under the Securities Act and the
Exchange Act and take such other actions as may be reasonably necessary to
facilitate the registration of the Registrable Securities hereunder.

    Warrantholder shall furnish to the Company such information regarding the
distribution of such securities as the Company may from time to time reasonably
request in writing.

    If the Company delivers a certificate in writing to Warrantholder to the
effect that a delay in the sale of Registrable Securities by Warrantholder under
the Registration Statement is necessary because a sale pursuant to such
Registration Statement in its then current form would reasonably be expected to
constitute a violation of the federal securities laws, then Warrantholder shall
agree not to sell or otherwise transfer such Registrable Securities for the
period of time specified by the Company in its certificate.  In no event shall
such delay exceed ten (10) business days; provided, however, that if, prior to
the expiration of such ten (10) business day period, the Company delivers a
certificate in writing to Warrantholder to the effect that a further delay in
such sale beyond such ten (10) business day period is necessary because a sale
pursuant to such Registration Statement in its then current form would
reasonably be expected to constitute a violation of the federal securities laws,
the Company may refuse to permit Warrantholder to resell any Registrable
Securities pursuant to such Registration Statement for one additional period not
to exceed five (5) business days.

    7.3  Registration Expenses.  All expenses incident to the Company's 
performance of or compliance with this Agreement, including without 
limitation all registration and filing fees, fees with respect to the filings 
required to be made with the National Association of Securities Dealers, 
Inc., fees and expenses of compliance with the securities or Blue Sky laws, 
printing expenses, messenger, telephone and delivery expenses, fees and 
disbursements of counsel for the Company, fees and 

                                       11
<PAGE>

disbursements of all independent certified public accountants of the Company, 
fees and expenses incurred in connection with the listing of the securities, 
rating agency fees and the fees and expenses of any person, including special 
experts, retained by the Company, will be borne by the Company, regardless of 
whether the Registration Statement becomes effective; provided, however, that 
the Company will not be required to pay discounts, commissions or fees of 
underwriters, selling brokers, dealer managers or similar securities industry 
professionals relating to the distribution of the Registrable Securities or 
fees or disbursements of any counsel to Warrantholder.

    7.4  Underwritten Registrations; Selection of Underwriter.  If the
Warrantholder so elects, the offering of Registerable Securities shall be in the
form of an underwritten offering and the Company shall have the exclusive right
to designate the managing underwriter or underwriters with respect to the
related offering of the Registerable Securities, which underwriter or
underwriters must be reasonably acceptable to the Warrantholder.

    7.5  Rule 144.  The Company covenants that it will file the reports
required to be filed by it under the Securities Act and the Exchange Act and it
will take such further action as Warrantholder may reasonably request, all to
the extent required to enable Warrantholder to sell Registrable Securities
without registration under the Securities Act in reliance on the exemption
provided by Rule 144 or Rule 144A or any successor or similar rules or statues. 
Upon the request of Warrantholder, the Company will deliver to Warrantholder a
written statement as to whether the Company has complied with such information
and requirements.

    7.6  Transfer or Assignment of Registration Rights.  The rights to cause
the Company to register Securities and all related rights granted to
Warrantholder by the Company under this Section 7 may be transferred or assigned
by Warrantholder only to a transferee or assignee of not less than 100,000
shares of Registrable Securities (as presently constituted and subject to
subsequent adjustments for stock splits, stock dividends, reverse stock splits,
and the like), provided that the Company is given written notice at the time of
or within a reasonable time after such transfer or assignment, stating the name
and address of the transferee or assignee and identifying the Securities with
respect to which such registration rights are being transferred or assigned,
and, provided further, that the transferee or assignee of such rights assumes
the obligations of Warrantholder under this Section 7.

    7.7  "Market Stand-Off" Agreement.  If requested by the Company and an
underwriter of Common Stock (or other securities) of the Company, Warrantholder
shall not sell or otherwise transfer or dispose of any Common Stock (or other
securities) of the Company held by Warrantholder (other than those included in
the registration) during the one hundred twenty (120) day period 

                                       12
<PAGE>

following the effective date of a registration statement of the Company filed 
under the Securities Act.

    The obligations described in this Section 7.7 shall not apply to a
registration relating solely to employee benefit plans on Form S-1 or Form S-8
or similar forms that may be promulgated in the future, or a registration
relating solely to a Rule 145 transaction on Form S-4 or similar forms that may
be promulgated in the future.  The Company may impose stop-transfer instructions
with respect to the Securities subject to the foregoing restriction until the
end of such one hundred twenty (120) day period.

    Each time the Company invokes its Market Stand-off rights under this
Section 7.7 while the Warrantholder is entitled to make a Demand Request, the
period during which the Warrantholder shall be entitled to make a Demand Request
under Section 7.2 hereof shall be extended by an additional one hundred twenty
(120) days; provided, however, that the Warrantholder's Demand Request period
will not be extended following the first Market Stand-Off unless such Market
Stand-Off occurs within one hundred twenty (120) days of the expiration of the
Warrantholder's Demand Request period.

    7.8  Indemnification.  In the event any Registrable Securities are included
in a Registration Statement under this Section 7:

    (a)  To the extent permitted by law, the Company will indemnify and hold
harmless the Warrantholder, any person or entity to or through whom the
Warrantholder sells Registerable Securities that may be deemed to be an
underwriter (as defined in the Securities Act), any officer, director, partner
or agent thereof, and each person, if any, who controls the Warrantholder or
underwriter within the meaning of the Securities Act or the Exchange Act against
any and all losses, claims, damages, or liabilities (joint or several) to which
they may become subject under the Securities Act, the Exchange Act or other
United States federal or state securities law, insofar as such losses, claims,
damages, or liabilities (or actions in respect thereof) arise out of or are
based upon any of the following statements, omissions or violations
(collectively a "Violation"):  (i) any untrue statement or alleged untrue
statement of a material fact contained in any related registration statement,
including any preliminary prospectus or final prospectus contained therein or
any amendments or supplements thereto or offering circular or in any application
or other document or communication executed by or on behalf of the Company
relating to such registration (together, "Selling Documents"), (ii) the omission
or alleged omission to state therein a material fact required to be stated
therein, or necessary to make the statements therein not misleading, or (iii)
any violation or alleged violation by the Company of the Securities Act, the
Exchange Act or other United States federal or state securities law, or any rule
or 

                                       13
<PAGE>

regulation promulgated under the Securities Act, the Exchange Act or other 
United States federal or state securities law; and the Company will pay to 
the Warrantholder, underwriter or controlling person any legal or other 
expenses reasonably incurred by them in connection with investigating or 
defending any such loss, claim, damage, liability, or action as incurred; 
provided, however, that the indemnity agreement contained in this subsection 
7.8(a) shall not apply to amounts paid in settlement of any such loss, claim, 
damage, liability, or action if such settlement is effected without the 
consent of the Company (which consent shall not be unreasonably withheld), 
nor shall the Company be liable in any such case for any such loss, claim, 
damage, liability, or action to the extent that it arises out of or is based 
upon a Violation which occurs in reliance upon and in conformity with written 
information furnished expressly for use in connection with such registration 
by the Warrantholder, underwriter or controlling person.

    (b)  To the extent permitted by law, the Warrantholder will indemnify and
hold harmless the Company, each of its directors, each of its officers who has
signed the Selling Document, each person, if any, who controls the Company
within the meaning of the Securities Act, any underwriter, any officer,
director, partner or agent thereof and any controlling person of any such
underwriter, against any losses, claims, damages, or liabilities (joint or
several) to which any of the foregoing persons may become subject, under the
Securities Act, the Exchange Act or other United States federal or state
securities law insofar as such losses, claims, damages, or liabilities (or
actions in respect thereto) arise out of or are based upon any Violation, in
each case to the extent (and only to the extent) that such Violation occurs in
reliance upon and in conformity with written information furnished by the
Warrantholder expressly for use in connection with such registration; and the
Warrantholder will pay any legal or other expenses reasonably incurred by any
person intended to be indemnified pursuant to this subsection 7.8(b), in
connection with investigating or defending any such loss, claim, damage,
liability, or action; provided, however, that the indemnity agreement contained
in this subsection 7.8(b) shall not apply to amounts paid in settlement of any
such loss, claim, damage, liability or action if such settlement is effected
without the consent of the Warrantholder, which consent shall not be
unreasonably withheld; provided further, that in no event shall any indemnity
under this subsection 7.8(b) exceed the proceeds (net of underwriting discounts
and commissions) from the related offering of the Registerable Securities
received by the Warrantholder.

    (c)  After receipt by an indemnified party under this Section 7.8 of notice
of the commencement of any action (including any governmental action) involving
a claim referred to in Sections 7.8(a) or 7.8(b) hereof, such indemnified party
will, if a claim in respect thereof is to be made against any indemnifying party
under this Section 7.8, deliver to the 

                                       14
<PAGE>

indemnifying party a written notice of the commencement thereof and the 
indemnifying party shall have the right to participate in, and, to the extent 
the indemnifying party so desires, jointly with any other indemnifying party 
similarly noticed, to assume the defense thereof with counsel mutually 
satisfactory to the parties; provided, however, that an indemnified party 
(together with all other indemnified parties which may be represented without 
conflict by one counsel) shall have the right to retain one separate counsel, 
with the fees and expenses to be paid by the indemnifying party, if 
representation of such indemnified party by the counsel retained by the 
indemnifying party would be inappropriate due to actual or potential 
differing interests between such indemnified party and any other party 
represented by such counsel in such proceeding.  The failure to deliver 
written notice to the indemnifying party within a reasonable time of the 
commencement of any such action, if prejudicial to its ability to defend such 
action, shall relieve such indemnifying party of any liability to the 
indemnified party under this Section 7.8, but the omission so to deliver 
written notice to the indemnifying party will not relieve it of any liability 
that it may have to any indemnified party otherwise than under this Section 
7.8.

    (d)  If the indemnification provided for in this Section 7.8 is held by a
court of competent jurisdiction to be unavailable to an indemnified party with
respect to any loss, liability, claim, damage, or expense referred to therein,
then the indemnifying party, in lieu of indemnifying such indemnified party
hereunder, shall contribute to the amount paid or payable by such indemnified
party as a result of such loss, liability, claim, damage, or expense in such
proportion as is appropriate to reflect the relative fault of the indemnifying
party on the one hand and of the indemnified party on the other in connection
with the statements or omissions that resulted in such loss, liability, claim,
damage, or expense as well as any other relevant equitable considerations;
provided, however, that in any such case, (A) the Warrantholder will not be
required to contribute any amount in excess of the proceeds (net of underwriting
discounts and commissions) received by the Warrantholder from all Registrable
Securities offered and sold by the Warrantholder pursuant to the applicable
Selling Document; and (B) no person or entity guilty of fraudulent
misrepresentation (within the meaning of Section 11(f) of the Securities Act)
will be entitled to contribution from any person or entity who was not guilty of
such fraudulent misrepresentation.  The relative fault of the indemnifying party
and of the indemnified party shall be determined by reference to, among other
things, whether the Violation relates to information supplied by the
indemnifying party or by the indemnified party and the parties' relative intent,
knowledge, access to information, and opportunity to correct or prevent such
statement or omission.

                                       15
<PAGE>

    (e)  Notwithstanding the foregoing, to the extent that the provisions on
indemnification and contribution contained in any underwriting agreement entered
into by the Company in connection with an underwritten public offering are in
conflict with the foregoing provisions, the provisions in the underwriting
agreement shall control, provided that the Warrantholder is a signatory to the
underwriting agreement.

    (f)  The obligations of the Company and the Warrantholder under this
Section 7.8 shall survive the completion of any offering of Registrable
Securities in a Registration Statement under this Section 7 and otherwise.

    8.   Notices of Corporate Action.

    In the event of

    (a)  any taking by the Company of a record of the holders of any class of
securities for the purpose of determining the holders thereof who are entitled
to receive any dividend or other distribution, or any right to subscribe for,
purchase or otherwise acquire any shares of stock of any class or any other
securities or property, or to receive any other right, or

    (b)  any capital reorganization of the Company, any reclassification or
recapitalization of the capital stock of the Company or any Change of Control,
or

    (c)  any voluntary or involuntary dissolution, liquidation or winding-up of
the Company,

the Company will mail to the Warrantholder a notice specifying (i) the date or
expected date on which any such record is to be taken for the purpose of such
dividend, distribution or right and the amount and character of any such
dividend, distribution or right, (ii) the date or expected date on which any
such reorganization, reclassification, recapitalization, Change of Control,
dissolution, liquidation or winding-up is to take place and the time, if any
such time is to be fixed, as of which the holders of record of Common Stock (or
other securities) shall be entitled to exchange their shares of Common Stock (or
other securities) for the securities or other property deliverable upon such
reorganization, reclassification, recapitalization, Change of Control,
dissolution, liquidation or winding-up and (iii) that in the event of a Change
of Control, the Warrants are exercisable immediately prior to the consummation
of such Change of Control.  Such notice shall be mailed at least 20 days prior
to the date therein specified, in the case of any date referred to in the
foregoing subdivision (i), and at least 20 days prior to the date therein
specified, in the case of the date referred to in the foregoing subdivision
(ii).

                                       16
<PAGE>

    9.   Definitions.

    As used herein, unless the context otherwise requires, the following terms
have the following respective meanings:

    Business Day:  any day other than a Saturday, Sunday or a day on which
national banks are authorized by law to close in the City of New York, State of
New York.

    Change of Control:  shall mean (i) the consolidation of the Company with or
merger of the Company with or into any other person in which the Company is not
the surviving corporation, (ii) the sale of all or substantially all of the
assets of the Company to any other person or (iii) any sale or transfer of any
capital stock of the Company after the date of this agreement, following which
more than fifty percent (50%) of the combined voting power of the Company
becomes beneficially owned by one person or group acting together.  For purposes
of this definition, "group" shall have the meaning as such term is used in
Section 13(d)(1) under the Exchange Act.

    Company:  The Immune Response Corporation, a Delaware corporation.

    Exchange Act:  the Securities Exchange Act of 1934, as amended, or any
successor federal statute, and the rules and regulations of the SEC thereunder,
all as the same shall be in effect at the time.  Reference to a particular
section of the Securities Exchange Act of 1934, as amended, shall include a
reference to a comparable section, if any, of any successor federal statute.

    Exercise Form:  an Exercise Form in the form annexed hereto as Exhibit A.

    Exercise Price:  the meaning specified on the cover of this Warrant, as
such price may be adjusted pursuant to Section 6 hereof.

    Nasdaq:  the meaning specified in Section 1.1(c)(ii).

    SEC:  the Securities and Exchange Commission or any other federal agency at
the time administering the Securities Act or the Exchange Act, whichever is the
relevant statute for the particular purpose.

    Securities Act:  the Securities Act of 1933, as amended, or any successor
federal statute, and the rules and regulations of the Commission thereunder, all
as the same shall be in effect at the time.  Reference to a particular section
of the Securities Act of 1933, as amended, shall include a reference to the
comparable section, if any, of any successor federal statute.

                                       17
<PAGE>

    Warrantholder:  the meaning specified on the cover of this Warrant.

    Warrant Shares:  the meaning specified on the cover of this Warrant,
subject to the provisions of Section 6.

    10.  Miscellaneous.

    10.1 Entire Agreement.  This Warrant constitutes the entire agreement
between the Company and the Warrantholder with respect to this Warrant and
supersede all prior agreements and understandings, both written and oral, with
regard to the subject matter hereof.

    10.2 Binding Effects; Benefits.  This Warrant shall inure to the benefit of
and shall be binding upon the Company and the Warrantholder and their respective
successors.  Nothing in this Warrant, expressed or implied, is intended to or
shall confer on any person other than the Company and the Warrantholder, or
their respective successors, any rights, remedies, obligations or liabilities
under or by reason of this Warrant.

    10.3 Amendments and Waivers.  This Warrant may not be modified or amended
except by an instrument or instruments in writing signed by the Company and the
Warrantholder.  Either the Company or the Warrantholder may, by an instrument in
writing, waive compliance by the other party with any term or provision of this
Warrant on the part of such other party hereto to be performed or complied with.
The waiver by any such party of a breach of any term or provision of this
Warrant shall not be construed as a waiver of any subsequent breach.

    10.4 Section and Other Headings.  The section and other headings contained
in this Warrant are for reference purposes only and shall not be deemed to be a
part of this Warrant or to affect the meaning or interpretation of this Warrant.

    10.5 Further Assurances.  Each of the Company and the Warrantholder shall
do and perform all such further acts and things and execute and deliver all such
other certificates, instruments and documents as the Company or the
Warrantholder may, at any time and from time to time, reasonably request in
connection with the performance of any of the provisions of this agreement.

    10.6 Notices.  All notices and other communications required or permitted
to be given under this Warrant shall be in writing and shall be deemed to have
been duly given if delivered personally or sent by United States mail, postage
prepaid, to the parties hereto at the following addresses or to such other
address as any party hereto shall hereafter specify by notice to the other party
hereto:

                                       18
<PAGE>

    (a)  if to the Company, addressed to:

         The Immune Response Corporation
         5935 Darwin Court
         Carlsbad, California 92008
         Attention:  President
         Telecopier:  (760) 431-8636

    (b)  if to the Warrantholder, addressed to:

         Dennis J. Carlo, Ph.D.
         The Immune Response Corporation
         5935 Darwin Court
         Carlsbad, California 92008
         Telecopier:  (760) 431-8636

Except as otherwise provided herein, all such notices and communications shall
be deemed to have been received on the date of delivery thereof, if delivered
personally, or on the third Business Day after the mailing thereof.

    10.7 Severability.  Any term or provision of this Warrant which is invalid
or unenforceable in any jurisdiction shall, as to such jurisdiction, be
ineffective to the extent of such invalidity or unenforceability without
rendering invalid or unenforceable the terms and provisions of this Warrant or
affecting the validity or enforceability of any of the terms or provisions of
this Warrant in any other jurisdiction.

    10.8 Governing Law.  This Warrant shall be governed by and interpreted in
accordance with the laws of the State of Delaware, except as they may be
preempted by federal law.  In any action brought or arising out of this Warrant,
the Warrantholder and the Company hereby consent to the jurisdiction of any
federal or state court having proper venue within the State of California and
also consent to the service of process by any means authorized by California or
federal law.
4
    10.9 Termination.  This Warrant shall expire at 5:00 P.M., Pacific standard
time, on the fourth anniversary hereof; provided, however, that the rights and
obligations of the Company and the Warrantholder under Section 7.8 hereof shall
survive such termination.

    10.10 No Rights or Liabilities as Stockholder.  Nothing contained in this
Warrant shall be determined as conferring upon the Warrantholder any rights as a
stockholder of the Company until the Warrantholder exercises this Warrant in
whole or in part, or as imposing any liabilities on the Warrantholder to

                                       19
<PAGE>

purchase any securities whether such liabilities are asserted by the Company or
by creditors or stockholders of the Company or otherwise.

    IN WITNESS WHEREOF, the Company has caused this Warrant to be signed by its
duly authorized officer.

    Dated: June 26, 1997.

                                        THE IMMUNE RESPONSE CORPORATION



                                         By /s/ Charles J. Cashion
                                            -------------------------------

                                         Title   Vice President
                                                ---------------------------













                                       20
<PAGE>

                                   Exhibit A


THIS WARRANT AND ANY SHARES ACQUIRED UPON THE EXERCISE OF THIS WARRANT
HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED,
AND MAY NOT BE SOLD OR OTHERWISE TRANSFERRED EXCEPT PURSUANT TO AN
EFFECTIVE REGISTRATION STATEMENT FILED UNDER SUCH ACT OR PURSUANT TO AN
EXEMPTION FROM REGISTRATION UNDER SUCH ACT.

                                 EXERCISE FORM

                (To be executed upon exercise of this Warrant)

    The undersigned hereby irrevocably elects to exercise the right,
represented by this Warrant, to purchase Warrant Shares and (check one):


     / / herewith tenders payment for _______ of the Warrant Shares to
         the order of The Immune Response Corporation in the amount of
         $_________ in accordance with the terms of this Warrant; or


     / / herewith tenders this Warrant for _______ Warrant Shares
         pursuant to the Net Issue Exercise provisions of Section
         1.1(b) of the Warrant.

The undersigned requests that a certificate (or certificates) for such
Warrant Shares be registered in the name of the undersigned and that
such certificate (or certificates) be delivered to the undersigned's
address below.

    In exercising this Warrant, the undersigned hereby confirms and
acknowledges that the Warrant Shares are being acquired for investment
solely for the account of the undersigned and not as a nominee for any
other party, and that the undersigned will not offer, sell or otherwise
dispose of any such Warrant Shares except under circumstances that will
not result in a violation of the Securities Act of 1933, as amended, or
any state securities laws.

    Dated:  ___________________.

                        Signature 
                                  ----------------------------------------

                                  ----------------------------------------
                                               (Print Name)


                                  ----------------------------------------
                                              (Street Address)


                                  ----------------------------------------
                                  (City)          (State)       (Zip Code)

    If said number of shares shall not be all the shares purchasable
under the within Warrant, a new Warrant is to be issued in the name of
said undersigned for the balance remaining of the shares purchasable
thereunder.


                                       21

<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM ITEM 1 OF
FORM 10-Q FOR THE PERIOD ENDED JUNE 30, 1997 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH 10-Q.
</LEGEND>
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             APR-01-1997
<PERIOD-END>                               JUN-30-1997
<CASH>                                       8,977,181
<SECURITIES>                                23,336,595
<RECEIVABLES>                               11,873,856
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                            44,739,487
<PP&E>                                      11,523,910
<DEPRECIATION>                               4,426,101
<TOTAL-ASSETS>                              52,108,388
<CURRENT-LIABILITIES>                        2,917,663
<BONDS>                                              0
                                0
                                          0
<COMMON>                                        55,981
<OTHER-SE>                                  49,134,744
<TOTAL-LIABILITY-AND-EQUITY>                52,108,388
<SALES>                                              0
<TOTAL-REVENUES>                               669,035
<CGS>                                                0
<TOTAL-COSTS>                               10,601,820
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                            (9,932,785)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                        (9,932,785)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                               (9,932,785)
<EPS-PRIMARY>                                   (0.45)
<EPS-DILUTED>                                   (0.45)
        

</TABLE>


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