CYTRX CORP
S-3, 1998-01-09
BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES)
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<PAGE>   1
    AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JANUARY 9, 1998
                         REGISTRATION NO. 333-_________

===============================================================================
                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                  -------------
                                    FORM S-3
                             REGISTRATION STATEMENT
                                     UNDER
                           THE SECURITIES ACT OF 1933

                               ------------------
                               CYTRX CORPORATION
             (Exact Name of Registrant as Specified in Its Charter)

<TABLE>
<S>                                               <C>
             DELAWARE                                            58-1642740
   (State or Other Jurisdiction                   (I.R.S. Employer Identification Number)
 of Incorporation or Organization)                                          
</TABLE>

                             154 TECHNOLOGY PARKWAY
                            TECHNOLOGY PARK/ATLANTA
                            NORCROSS, GEORGIA 30092
                                 (770) 368-9500
  (Address, Including Zip Code, and Telephone Number, Including Area Code, of
                   Registrant's Principal Executive Offices)
                                JACK J. LUCHESE
                     PRESIDENT AND CHIEF EXECUTIVE OFFICER
                               CYTRX CORPORATION
                            TECHNOLOGY PARK/ATLANTA
                            NORCROSS, GEORGIA 30092
                                 (770) 368-9500            
(Name, Address, Including Zip Code, and Telephone Number, Including Area Code,
                             of Agent for Service)
     THE COMMISSION IS REQUESTED TO SEND COPIES OF ALL COMMUNICATIONS TO:

    GEORGE M. MAXWELL, JR.                           MARK W. REYNOLDS
       ALSTON & BIRD LLP                         CHIEF FINANCIAL OFFICER
      ONE ATLANTIC CENTER                           CYTRX CORPORATION
  1201 WEST PEACHTREE STREET                     TECHNOLOGY PARK/ATLANTA
  ATLANTA, GEORGIA 30309-3424                    NORCROSS, GEORGIA 30092
        (404) 881-7000                               (770) 368-9500
           APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC: As
soon as practicable after this Registration Statement becomes effective.
           If the only securities being registered on this form are being
offered pursuant to dividend or interest reinvestment plans, please check the
following box. [ ]
           If any of the securities being registered on this form are to be
offered on a delayed or continuous basis pursuant to Rule 415 under the
Securities Act of 1933, other than securities offered only in connection with
dividend or interest reinvestment plans, check the following box. [X]
           If this form is filed to register additional securities for an
offering pursuant to Rule 462(b) under the Securities Act, please check the
following box and list the Securities Act registration statement number of the
earlier effective registration statement for the same offering: [ ]______
           If this form is a post-effective amendment filed pursuant to Rule
462(c) under the Securities Act, check the following box and list the
Securities Act registration statement number of the earlier effective
registration statement for the same offering: [ ] ______
           If delivery of the prospectus is expected to be made pursuant to 
Rule 434, please check the following box: [ ]_________
                        CALCULATION OF REGISTRATION FEE
<TABLE>
<CAPTION>
=============================================================================================================================
 Title of Shares to be        Amount                 Proposed Maximum       Proposed Maximum           Amount of
 Registered                   to be Registered       Offering Price Per     Aggregate Offering         Registration
                                                     Share(1)               Price(1)                   Fee(1) 
- -----------------------------------------------------------------------------------------------------------------------------
<S>                           <C>                    <C>                    <C>                        <C>
Common Stock, $0.001 par
value per share               233,864 shares         $3.291                 $769,646.42                $227.05                
============================================================================================================================= 
</TABLE>
(1)  Pursuant to Rule 457(c), the proposed maximum offering price per share and
registration fee are based upon the average of the high and low prices of the
Registrant's Common Stock for the five trading days beginning on January 2, 1998
and ending on January 8, 1998 as reported on the Nasdaq National Market. 
(2)  Includes a Series A Junior Participating Preferred Stock Purchase Right 
that accompanies each share of Common Stock.

     Pursuant to Rule 429, the Prospectus which forms a part of this
Registration Statement shall also relate to 603,000 shares of Common Stock
registered for sale by the Selling Stockholders pursuant to the Company's
earlier registration statement on Form S-3 (File No. 33-39607), and all
amendments relating to the foregoing.

     THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT
SHALL FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS REGISTRATION
STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(A) OF
THE SECURITIES ACT OF 1933 OR UNTIL THE REGISTRATION STATEMENT SHALL BECOME
EFFECTIVE ON SUCH DATE AS THE COMMISSION, ACTING PURSUANT TO SAID SECTION 8(A),
MAY DETERMINE.
===============================================================================

<PAGE>   2

PROSPECTUS, DATED JANUARY 9, 1998

                                 233,864 SHARES

                               CYTRX CORPORATION

                                  COMMON STOCK

         This prospectus relates to the offering for resale of 233,864 shares
(the "Shares") of common stock, $.001 par value per share (the "Common Stock")
of CytRx Corporation, a Delaware corporation ("CytRx" or the "Company") for the
account of the Selling Stockholders identified herein. See "Selling
Stockholders." The Company will not receive any of the proceeds from the sale of
the Shares by the Selling Stockholders.

         The Common Stock is traded on the Nasdaq National Market under the
symbol "CYTR." On January 8, 1998, the last reported sale price on the Nasdaq
National Market was $2.938 per share."

SEE "RISK FACTORS" COMMENCING ON PAGE 6 FOR INFORMATION THAT SHOULD BE
CONSIDERED BY PROSPECTIVE INVESTORS.
                                 -------------

    THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
      AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS
        THE COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED UPON
              THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY
           REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.

         All or a portion of the Shares may be offered by the Selling
Stockholders from time to time in transactions (which may include block
transactions) on the Nasdaq National Market or such other national securities
exchange or automated interdealer quotation system on which shares of the
Company's Common Stock are then traded, in negotiated transactions, or by a
combination of such methods of sale, at fixed prices, which may be changed, at
market prices prevailing at the time of sale, at prices related to such
prevailing market prices, or at negotiated prices. The Selling Stockholders may
effect such transactions by selling the Shares directly to purchasers or
through underwriters, agents or broker-dealers, and any such underwriters,
agents or broker-dealers may receive compensation in the form of discounts,
concessions or commissions from the Selling Stockholders and/or the purchasers
of the Shares for whom such underwriters, agents or broker-dealers may act as
agents or to whom they may sell as principals, or both (which compensation as
to a particular underwriter, agent or broker-dealer might be in excess of
customary compensation). See "Selling Stockholders" and "Plan of Distribution"
The Company will bear all expenses in connection with the registration and sale
of the Shares being offered by the Selling Stockholders, other than discounts,
concessions or commissions to underwriters, agents or broker-dealers and fees
and expenses of counsel and other advisors to the Selling Stockholders. The
Company has agreed to indemnify the Selling Shareholders against certain
liabilities, including liabilities under the Securities Act of 1933, as amended
(the "Securities Act"). See "Plan of Distribution."

<PAGE>   3


                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE

     The following documents filed by the Company with the Securities and
Exchange Commission (the "Commission") are hereby incorporated by reference in
this Prospectus and made a part hereof:

         (a) the Company's Annual Report on Form 10-K for the fiscal year ended
December 31, 1996 (including those portions of the Company's definitive proxy
statement for the Annual Meeting of Stockholders held on June 26, 1997
incorporated by reference therein), as amended by the Company's Amendment No. 1
to Annual Report on Form 10-K/A dated April 30, 1997;

         (b) the Company's Quarterly Reports on Form 10-Q for the fiscal
quarters ended March 31, 1997, June 30, 1997 and September 30, 1997;

         (c) the Company's Current Report on Form 8-K dated April 17, 1997 and
November 6, 1997;

         (d) the Company's Current Report on Form 8-K dated June 3, 1997 as
amended by the Company's Current Report on Form 8-K/A filed with the Commission
on July 21, 1997;

         (e) the Company's Amended Registration Statement on Form 8-A filed
with the Commission on April 17, 1997 as amended by the Company's Amended
Registration Statement on Form 8-A/A filed with the Commission on April 24,
1997;

         (f) the description of the Company's Common Stock contained in the
Company's Registration Statement on Form 8-A, declared effective on March 1,
1996.

         All reports and other documents filed by the Company pursuant to
Section 13(a), 13(c), 14 or 15(d) of the Securities Exchange Act of 1934, as
amended (the "Exchange Act") subsequent to the date of this Prospectus and
prior to the termination of this offering shall be deemed to be incorporated by
reference herein and to be a part hereof from the date of filing of such
reports and documents. Any statement incorporated or deemed to be incorporated
herein shall be deemed to be modified or superseded for purposes of this
Prospectus to the extent that a statement contained herein or in any other
subsequently filed document which also is or is deemed to be incorporated by
reference herein modifies or supersedes such statement. Any statement so
modified or superseded shall not be deemed, except as so modified or
superseded, to constitute a part of this Prospectus. Neither the Company nor
the Initial Purchasers will update this Prospectus for events occurring
subsequent to the date of this Prospectus.

         The Company will provide without charge to each person, including any
beneficial owner, to whom a copy of this Prospectus has been delivered, upon
written or oral request of such person, a copy of any or all of the foregoing
documents incorporated herein by reference (other than exhibits to such
documents, unless such exhibits are specifically incorporated by reference into
such documents). Requests for such documents should be made in writing to the
attention of Corporate Secretary, CytRx Corporation, 154 Technology Parkway,
Technology Park/Atlanta, Norcross, Georgia 30092, Telephone: (770) 368-9500.


                                     - 2 -
<PAGE>   4


                             AVAILABLE INFORMATION

         The Company is subject to the informational requirements of the
Exchange Act, and in accordance therewith files reports, proxy and information
statements and other information with the Commission. Such reports, proxy and
information statements and other information filed by the Company with the
Commission can be inspected and copied at the public reference facilities
maintained by the Commission at 450 Fifth Street, N.W., Room 1024, Washington,
D.C. 20549; and at the Commission's Northeast Regional Office, 7 World Trade
Center, Suite 1300, New York, New York 10048, and Midwest Regional Office,
Citicorp Center, 500 West Madison Street, Suite 1400, Chicago, Illinois
60661-2511. Copies of such material can also be obtained at prescribed rates
from the Public Reference Section of the Commission at 450 Fifth Street, N.W.,
Washington D.C. 20549. The Commission maintains a Web site that contains
reports, proxy and information statements and other information regarding
registrants such as the Company that file electronically with the Commission.
The address of such site is http://www.sec.gov. In addition, such reports,
proxy and information statements and other information concerning the Company
may be inspected at the Nasdaq Stock Market at 1735 K Street, N.W., Washington,
D.C. 20006.

         The Company has filed a Registration Statement on Form S-3 (together
with all amendments and exhibits filed or to be filed in connection therewith,
the "Registration Statement") with the Commission pursuant to the Securities
Act, of which this Prospectus forms a part. This Prospectus does not contain
all the information set forth in the Registration Statement, certain parts of
which are omitted in accordance with the rules and regulations of the
Commission. Such additional information may be obtained from the Commission's
principal office in Washington, D.C. Statements contained or incorporated by
reference herein concerning the provisions of documents are necessarily
summaries of such documents, and each statement is qualified in its entirety by
reference to the copy of the applicable document filed with the Commission.

                           FORWARD-LOOKING STATEMENTS

         When used in this Prospectus and elsewhere by management or the
Company from time to time, the words "believes," "anticipates," "expects" and
similar expressions are intended to identify forward-looking statements
concerning the Company's operations, economic performance and financial
condition, including in particular, the Company's business strategy and means
to implement the strategy, goals, amount of capital expenditures, and
likelihood of the Company's success in developing and expanding its business.
These statements are based on a number of assumptions and estimates which are
inherently subject to significant risks and uncertainties, many of which are
beyond the control of the Company, and reflect future business decisions which
are subject to change. A variety of factors could cause actual results to
differ materially from those anticipated in the Company's forward-looking
statements, some of which are set forth under "Risk Factors" in this Prospectus
and include the Company's ability to manage growth, rapid technological change
and risk of obsolescence of the Company's products, services and technology.
The Company cautions that such factors are not exclusive. Consequently, all of
the forward-looking statements made in this Prospectus are qualified by these
cautionary statements and readers are cautioned not to place undue reliance on
these forward-looking statements, which speak only as of the date hereof. The
Company undertakes no obligation to publicly release the results of any
revisions to such forward-looking statements that may be made to reflect events
or circumstances after the date hereof, or thereof, as the case may be, or to
reflect the occurrence of unanticipated events.

         THIS PROSPECTUS INCLUDES PRODUCT NAMES, TRADE NAMES, SERVICE MARKS AND
TRADEMARKS OF CYTRX, ITS SUBSIDIARIES AND OTHER COMPANIES INCLUDING, WITHOUT
LIMITATION, VAXCEL(TM), VETLIFE(TM), FLOCOR(TM), THERMAX(TM), V*NET(TM),
BENCHMARK(TM), CYTRX(R), RHEOTHRX(R), OPTIVAX(R), AND TITERMAX(R).


                                     - 3 -
<PAGE>   5


                               PROSPECTUS SUMMARY

         The following summary is qualified in its entirety by the more
detailed information, including "Risk Factors", "Business" and financial
statements and notes thereto, appearing elsewhere or incorporated by reference
in this Prospectus. This Prospectus contains forward-looking statements that
involve risks and uncertainties. The Company's actual results may differ
significantly from the results discussed in the forward-looking statements.
Factors that might cause such a difference include, but are not limited to,
those discussed in "Risk Factors."

THE COMPANY

         CytRx Corporation was founded in 1985 and is engaged in the
development and commercialization of pharmaceutical-related products and
services including human therapeutics focused on high-value critical-care
therapies.

         In addition to its development work in human therapeutics, CytRx has
created several operating subsidiaries to broaden the development of its
technologies without losing focus on its core critical-care strategy. Vaxcel,
Inc. ("Vaxcel") is developing its Optivax delivery system to enhance the
effectiveness of vaccines. Zynaxis, Inc. ("Zynaxis"), a newly acquired
wholly-owned subsidiary of Vaxcel, is developing technologies for the oral and
mucosal delivery of vaccines. Vetlife, Inc. ("Vetlife") is engaged in
developing food animal products and marketing and distributing technologies to
enhance North American beef cattle productivity. Proceutics, Inc.
("Proceutics") provides preclinical development services to the pharmaceutical
industry.

NEW BUSINESS DEVELOPMENTS

         Effective May 21, 1997, Vaxcel Merger Subsidiary, Inc., a Georgia
corporation and wholly owned subsidiary of Vaxcel formed for the purpose of the
transaction ("Vaxcel Merger Sub") merged with and into Zynaxis, a Pennsylvania
corporation and publicly held biotechnology company engaged in the development
of certain vaccine technologies (the "Merger").

         As part of the Merger (i) shares of common stock of Vaxcel were issued
to the existing shareholders of Zynaxis in exchange for all of the outstanding
shares of capital stock of Zynaxis and (ii) Vaxcel issued to CytRx shares of
common stock of Vaxcel and a warrant to purchase shares of common stock of
Vaxcel in exchange for CytRx's contribution to Vaxcel of $4,000,000, less the
outstanding principal and interest under a secured loan extended to Zynaxis by
CytRx.

         As a result of the Merger, CytRx owns approximately 87.5% of the
outstanding common shares of Vaxcel, with the remaining 12.5% held by the
former shareholders of Zynaxis, and Zynaxis became a wholly-owned subsidiary of
Vaxcel. The Merger was treated as a purchase by Vaxcel and constituted a
tax-free reorganization for the former Zynaxis shareholders. Also in connection
with the Merger (i) warrants to purchase Zynaxis common stock were converted
into warrants for the purchase of Vaxcel common stock, and (ii) convertible
notes issued by Zynaxis were converted into the right to receive shares of
Vaxcel common stock.

         As a result of the Merger, Vaxcel acquired the PLG microencapsolation
and mucoadhesive vaccine technologies of Zynaxis which have been designed for
oral and mucosal delivery. The Company believes that these Zynaxis technologies
will be complementary to Vaxcel's vaccine technologies.


                                     - 4 -
<PAGE>   6



         On October 22, 1997 CytRx privately placed (the "Note Sale") with
certain investors (the "Investors"), $2,000,000 of its convertible notes (the
"Debentures"). The Debentures may be converted into Common Stock on and after
December 21, 1997 at a price of the lesser of 85% of the average closing bid
price for a share of Common Stock for the 10 days preceding the conversion, or
$5.68 per share (the "Conversion Price"). The Debentures were sold at par and
bear interest at a rate of 6% per annum. Also in connection with the Note Sale,
the Investors were issued two year warrants (the "Warrants") to purchase 40,000
shares of Common Stock at an exercise price of $5.68. The terms of the
Debentures grant CytRx the right to redeem the Debentures at 110% of par if the
Conversion Price falls below $4.00. At the time of this Prospectus $300,000 of
the Debentures have been converted to Common Stock at a Conversion Price of
$2.7253.

         In addition, CytRx has the option, subject to certain conditions, to
sell to the Investors an additional $2,000,000 in value of the Debentures. Also
in connection with the Note Sale, CytRx agreed to file a registration statement
relating to the shares of Common Stock into which the Debentures are
convertible and the warrants are exercisable, and to keep such registration
statement effective until October 22, 1999 (or such earlier date when the
holders of the Securities are able to sell all such securities immediately
without restriction pursuant to Rule 144(k) under the Securities Act or any
successor rule thereto or otherwise).


                                     - 5 -

<PAGE>   7


                                  RISK FACTORS

         Prospective purchasers of the Common Stock offered hereby should
carefully consider the risk factors set forth below, as well as the other
information contained in this Prospectus, in evaluating an investment in the
Common Stock. This Prospectus and the documents incorporated herein contain
certain forward-looking statements which are inherently uncertain. The
Company's actual results could differ materially from those anticipated in
these forward-looking statements as a result of certain factors, including
those set forth below and elsewhere in this Prospectus.

HISTORY OF OPERATING LOSSES; UNCERTAIN PROFITABILITY

         The Company, its wholly-owned operating subsidiaries Vetlife and
Proceutics, and its majority-owned subsidiary, Vaxcel, cumulatively incurred
net losses for each of the fiscal years ended December 31, 1994, 1995 and 1996
and for the nine months ended September 30, 1997. Reference herein to "the
Company" includes CytRx, Vetlife, Proceutics and Vaxcel. For the month ended
September 30, 1997, the Company had consolidated net operating losses of
approximately $4,234,663. In view of the prior operating history of the
Company, there can be no assurance that the Company will be able to achieve
profitability on a quarterly or annual basis or that it will be able to sustain
or increase its revenue growth in future periods.

         The Company will incur substantial additional losses until such time,
if any, that its primary products, including, but not limited to Flocor(TM) and
Optivax(R), have achieved significant sustained commercial sales, wHICH will be
dependent upon a number of factors including, but not limited to, receipt of
regulatory approval for the sale of such products. Such approval is not likely
to occur for a number of years. There can be no assurance that such products of
the Company under development will be approved for sale by regulatory
authorities, that Flocor, Optivax or any other product of the Company under
development can be successfully commercialized or that the Company will achieve
significant revenues from sales of Flocor, Optivax or any other product. In
addition, there can be no assurance that the Company will achieve or sustain
profitability in the future. Failure to achieve significant revenues or
profitability would have a material adverse effect on the Company's business,
financial condition and results of operations.

VOLATILITY OF STOCK PRICE

         The Common Stock is quoted on the Nasdaq National Market. The market
prices for securities of pharmaceutical and biotechnology companies (including
CytRx) have historically been highly volatile, and the market has from time to
time experienced significant price and volume fluctuations that are unrelated
to the operating performance of particular companies. Factors such as
fluctuations in the Company's operating results, announcements of technological
innovations or new therapeutic products, governmental regulation, developments
in patent or other proprietary rights, public concern as to the safety of
products developed by the Company or other biotechnology and pharmaceutical
companies, and general market conditions may have a significant effect on the
market price of the Common Stock.

BUSINESS ACQUISITION

         Effective May 21, 1997, Zynaxis, a publicly-held biotechnology company
engaged in the development of certain vaccine technologies, merged with Vaxcel
Merger Sub, a wholly-owned subsidiary of Vaxcel formed for the purpose of the
transaction. As a result of the Merger, Zynaxis became a wholly-owned
subsidiary of Vaxcel.

                                     - 6 -
<PAGE>   8

         In connection with the Merger, all of the outstanding shares of
Zynaxis were converted into shares of Vaxcel based upon certain exchange
ratios. Also in connection with the Merger, CytRx contributed $4,000,000, less
the amount outstanding under Zynaxis' secured note payable to CytRx, and in
exchange therefor CytRx received shares of Vaxcel common stock and a warrant to
purchase shares of Vaxcel common stock. As a result of the Merger, CytRx owns
approximately 87.5% of the capital stock of Vaxcel and the former shareholders
of Zynaxis own approximately 12.5% thereof. The Merger was treated as a
purchase by Vaxcel and constituted a tax-free reorganization for the former
Zynaxis stockholders.

         Also as a result of the Merger, Vaxcel acquired from Zynaxis the PLG
microencapsulation and mucoadhesive vaccine technologies. The Company deems
such Zynaxis technologies to be complementary to Vaxcel's technologies,
including Optivax. There can be no assurance that the Company can successfully
market, sell or distribute the Zynaxis technologies, or that the Zynaxis
technologies will function in accordance with the Company's expectations.
Failure to market, sell or distribute the Zynaxis technologies, or the failure
of the Zynaxis technologies to meet the expectations of the Company may have a
material adverse effect on the Company's business, financial condition and
results of operations.

COMPETITION

         Many companies, including large pharmaceutical, chemical and
biotechnology firms with financial resources, research and development staffs,
and facilities that are substantially greater than those of the Company, are
engaged in the research and development of pharmaceutical products that could
compete with the products under development by the Company. Furthermore, many
of the Company's existing or potential competitors have extensive experience in
research, preclinical testing, human clinical trials, obtaining Food and Drug
Administration ("FDA") and other regulatory approvals, and manufacturing and
marketing their products, or are allied with major pharmaceutical companies
that can afford them these advantages. The industry is characterized by rapid
technological advances and competitors may develop their products more rapidly
and/or such products may be more effective than those under development by the
Company or its licensees and corporate partners.

         In general, competition in the pharmaceutical, chemical and
biotechnology field is based on such factors as product performance and safety,
product acceptance by physicians, patent protection, manner of delivery, ease
of use, price, distribution and marketing. The Company's products and potential
products are in various stages of development, and no assurance can be given
that any of these products or potential products will sufficiently enhance the
use of existing pharmaceutical products to generate meaningful commercial
demand.

         Any product developed by the Company that gains regulatory approval
will have to compete for market acceptance and market share. An important
factor in such competition may be the timing of market introduction of
competitive products. Accordingly, the relative speed with which the Company
can develop products, complete clinical testing and the regulatory approval
process, gain reimbursement acceptance and supply commercial quantities of the
product for distribution to the market are expected to be important competitive
factors.

         The failure of the Company's product to generate meaningful commercial
demand, or the failure of the Company's product to gain substantial market
acceptance and market share would have a material adverse effect on the
Company's business, financial condition or results of operations.


                                     - 7 -
<PAGE>   9


COMMERCIALIZATION; LACK OF MARKETING EXPERIENCE; STRATEGIC ALLIANCES

         It is anticipated that the Company will market and sell a significant
portion of its products directly. The Company has limited experience in sales,
marketing or distribution of pharmaceutical products and its success in
marketing its products will be based on a number of factors including market
size and concentration in the Company's designated markets, the size and
expertise of the Company's sales force in such designated markets and the
Company's overall strategic objectives. There can be no assurance that the
factors necessary to successfully market the Company's products will be
favorable, or that the Company will be able to obtain the expertise necessary
to successfully market its products.

         A principal element of the Company's strategy is the creation and
maintenance of strategic relationships that will enable the Company to offer
its services to a larger customer base than the Company could otherwise reach
through its direct marketing efforts. Vaxcel's business strategy is to license
its products to pharmaceutical and biotechnology companies engaged in vaccine
research and development. Vaxcel has entered into option agreements for the
development of Optivax with Medeva PLC and Connaught Laboratories, Inc., and a
license agreement with Corixa Corporation. Likewise, ALK A/S, a Danish company,
executed a development and licensing agreement with Zynaxis (acquired by Vaxcel
in May 1997) which granted ALK exclusive, worldwide rights to evaluate and
develop the Zynaxis technologies for oral delivery of bioactive substances for
the treatment of allergies. In addition, VetLife's strategy is to enter into
worldwide manufacturing, marketing, and distribution alliances. Vetlife has
entered into such agreements with Ivy Laboratories, Inc. ("Ivy") and Elanco
Animal Health, a division of Eli Lilly and Company ("Elanco"). Although the
Company intends to continue to expand its direct marketing channels, the
Company believes that strategic partner relationships may offer a potentially
more effective and efficient marketing channel. Consequently, the Company's
success depends in part on the ultimate success of these relationships with
these strategic partners. A termination of one or more of the Company's
relationships with a strategic partner could have a material adverse effect on
the Company's overall performance, and with respect to the products of Vaxcel
and Zynaxis, would cause the Company to establish marketing and distribution
channels for its products.

         Although the Company views its strategic relationships as a key factor
in its overall business strategy and in the development and commercialization
of its products, there can be no assurance that its strategic partners view
their relationships with the Company as significant for their own businesses or
that they will not reassess their commitment to the Company in the future. The
Company's arrangements with its strategic partners do not always establish
minimum performance requirements for the Company's strategic partners, but
instead rely on the voluntary efforts of these partners in pursuing joint
goals. In addition, even when the Company is without contractual restriction,
it may be restrained by business considerations from pursuing alternative
arrangements, or the reassessment of the strategic partners' business goals
which do not correlate with the business goals of the Company. The Company's
inability to comply with the terms of its strategic partner arrangements could
result in its strategic partners seeking alternative arrangements with other
pharmaceutical or biotechnology companies, which could have a material adverse
impact on the Company.

GOVERNMENT REGULATION

         The production and marketing of the Company's products and its ongoing
research and development activities, including preclinical studies and clinical
trials, are subject to extensive regulation by numerous federal, state and
local governmental authorities in the United States and by similar regulatory
agencies in other countries where the Company tests and markets, or intends to
test and market, its current or future products. There can be no assurance that
the Company will obtain further regulatory approvals to conduct clinical trials
or to market its current products or that the Company will obtain on a timely
basis, or at all, regulatory approvals to conduct clinical trials or to market
products that may be developed in the 


                                     - 8 -
<PAGE>   10

future. Prior to marketing any product developed by the Company, or marketed
under license, the Company must undergo an extensive regulatory approval
process by the FDA and comparable regulatory authorities in foreign countries.
The regulatory process can take many years and require the expenditure of
substantial resources.

         The Company must demonstrate through preclinical studies and clinical
trials that its products are safe and efficacious for use in each proposed
indication. The results from preclinical animal studies and early clinical
trials may not be predictive of results that will be obtained in large-scale
testing, and there can be no assurance that the clinical trials will
demonstrate the safety and efficacy of any products or will result in
marketable products. A number of companies in the therapeutics industry have
suffered significant setbacks in advanced clinical trials, even after
experiencing promising results in early animal and human testing. In addition,
the rate of completion of the Company's clinical trials is dependent upon,
among other factors, the rate of patient enrollment. Patient enrollment is a
function of many factors, including the size of the patient population, the
nature of the protocol, the ability of the Company to manage the clinical
trial, the proximity of patients to clinical sites and the eligibility criteria
for the study. Several factors, such as delays in planned patient enrollment,
may result in increased costs and delays or termination of clinical trials
prior to completion, which could have a material adverse effect on the Company.
Preclinical studies must also be conducted in conformity with the FDA's good
laboratory practice regulations. Clinical trials generally must meet
requirements for institutional review board oversight and informed consent, as
well as regulatory agency prior review, oversight and good clinical practice
requirements.

         Data obtained from preclinical and clinical activities are susceptible
to varying interpretations which could delay, limit or prevent regulatory
approval. In addition, delays or rejections may be encountered based upon
changes in the policies of regulatory authorities for new product approval
during the period of product development and regulatory review of each
submitted pre-market approval application, new drug application or other
required approval application. There can be no assurance that, even after such
time and expenditures, regulatory approvals will be obtained for any products
developed by the Company. Moreover, if FDA approval of a product is granted,
such approval will entail limitations on the indicated uses for which it may be
marketed and may impose labeling requirements which may adversely affect the
Company's ability to market its products.

         The products of the Company may be regulated in other countries by
foreign agencies comparable in authority to the FDA. The process of obtaining
regulatory approval in other countries is often as costly, time-consuming and
uncertain as it is in the United States. In addition, foreign agencies may
apply different or more stringent standards than the FDA and require additional
or different clinical studies. Foreign agencies also may fail to approve the
products even if the FDA has done so.

         Failure to comply with applicable regulatory requirements can result
in, among other things, fines, suspension of regulatory approvals, product
recalls, seizure of products, imposition of operating restrictions or civil
penalties, FDA refusal to approve marketing applications, and criminal
prosecutions. Further, FDA policy or similar policies of regulatory agencies in
other countries may change and additional government regulations may be
established that could prevent or delay regulatory approval of the Company's
products in such countries. The failure of the Company to obtain the necessary
regulatory approval would have a material adverse effect on the Company's
business, financial condition and results of operations.


                                     - 9 -
<PAGE>   11


DEPENDENCE ON PATENT PROTECTION

         The Company's success will depend, in part, upon its ability to
develop patentable products and technologies and to obtain patent protection
for its products and technologies both in the United States and in other
countries. The Company's products are covered by a number of issued United
States and foreign patents, including a patent in the name of the Company for
RheothRx, the non-purified form of Flocor. The Company has filed a number of
United States and counterpart patent applications in other countries. The
Company owns some of these patents and is the exclusive licensee of others. The
Company believes that its patents are critical to its prospects for success.
There can be no assurance that the Company's United States and foreign issued
or pending applications will offer any protection or that they will not be
challenged, invalidated or circumvented. In addition, there can be no assurance
that competitors will not obtain patents that will prevent, limit or interfere
with the Company's ability to make, use or sell its products either in the
United States or in international markets.

         The Company's patent estate is subject to numerous potential threats.
Critical patent applications may not issue or may issue with limitations which
materially reduce their coverage; competitors may challenge the validity of the
Company's patents through challenges within the United States Patent and
Trademark Office and its foreign equivalents or through lawsuits in the courts;
or competitors may claim that the Company's products infringe competitors'
patents. Patent applications in the United States are maintained in secrecy
until patents issue, and patent applications in foreign countries are
maintained in secrecy for a period after filing. Accordingly, there can be no
assurance that current and potential competitors or other third parties have
not filed or will not file applications for, or have not received or will not
receive, patents and will not obtain additional proprietary rights relating to
materials or processes used or proposed to be used by the Company.

         Governmental patent agencies have considerable discretion over their
internal processes, and their decisions are given great weight by the courts.
There can be no assurance that the Company's pending applications will issue,
or issue with satisfactory coverage, or that the Company's issued patents will
not be successfully challenged by a competitor.

         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 to redesign
its products or processes to avoid infringement. There can be no assurance that
such licenses would be available at all or on terms acceptable 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 and could result in a substantial cost to and diversion of efforts by
the Company or any of its subsidiaries.

         The Company also relies on trade secrets, proprietary know-how and
continuing technological innovation which it seeks to protect with
confidentiality agreements with collaborators, employees and consultants. 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 and proprietary know-how will not otherwise become known to or be
independently discovered by competitors.

UNCERTAINTY OF PHARMACEUTICAL PRICING AND RELATED MATTERS

         The future revenues and profitability of and availability of capital
for biotechnology and pharmaceutical companies may be affected by the
continuing efforts of governmental and third-party payors to contain or reduce
the costs of health care through various means. For example, in certain foreign


                                     - 10 -
<PAGE>   12

markets, pricing or profitability of prescription pharmaceuticals is subject to
government control. In the United States, there have been, and the Company
expects that there will continue to be, a number of federal and state proposals
to implement similar government control. While the Company cannot predict
whether any such legislative or regulatory proposals will be adopted, the
announcement or adoption of such proposals could have a material adverse effect
on the Company's business, financial condition and results of operations.

DEPENDENCE ON KEY MANAGEMENT

         The Company's success will continue to depend to a significant extent
on the members of its management and scientific staff, particularly its Chief
Executive Officer, Jack J. Luchese. The Company has an employment contract with
Mr. Luchese which expires at the end of 1998. In addition, the success of
Vaxcel will depend, in large part, on Paul W. Wilson, its President and Chief
Executive Officer. Also, Vetlife's future success is significantly dependent
upon its President and Chief Executive Officer, Richard O. Shuler. As the
Company continues to grow, it will continue to hire, appoint or otherwise
change senior management and members of its scientific staff. There can be no
assurance that the Company will be able to retain its executive officers and
key personnel or attract additional qualified members to management in the
future. The loss of services of Messrs. Luchese, Wilson, Shuler, or of any
other key employee could have a material adverse effect upon the Company's
business.

HAZARDOUS MATERIALS; ENVIRONMENTAL MATTERS

         The Company's research and development activities involve the
controlled use of hazardous materials. The Company is subject to federal, state
and local laws and regulations governing the use, manufacture, storage,
handling and disposal of such materials and certain waste products. Although
the Company believes that its safety procedures for handling and disposing of
such materials comply with the standards prescribed by such laws and
regulations, the risk of accidental contamination or injury from these
materials cannot be completely eliminated. In the event of such an accident,
the Company could be held liable for any damages that result and any such
liability could exceed the resources of the Company. The Company may be
required to incur significant costs to comply with environmental laws and
regulations in the future. The Company's operations, business, financial
condition and results of operations may be materially adversely affected by
current or future environmental laws or regulations.

POTENTIAL PRODUCT LIABILITY EXPOSURE AND LACK OF INSURANCE

         The Company could be exposed to possible claims for personal injury
resulting from allegedly defective products. Even if a product is approved for
commercial use by an appropriate governmental agency, there can be no assurance
that users will not claim that effects other than those intended may result
from such products. While to date no material adverse claim for personal injury
resulting from allegedly defective products has been successfully maintained
against the Company, a substantial claim, if successful, could have a material
adverse effect on the Company.

ANTI-TAKEOVER PROTECTIONS

         In its 1997 annual meeting, the stockholders of the Company voted to
classify its board of directors. As a result of the classification of the board
of directors, at least two stockholder meetings, instead of one, will be
required to effect a change in the majority control of the Company board,
except in the event of vacancies resulting from removal for cause (in which
case the remaining directors would fill the vacancies so created). It should
also be noted that the classification provision will apply to every election of
directors, rather than only an election occurring after a change in control.
The classification of directors has the effect of making it more time-consuming
to change majority control of the Company's 


                                     - 11 -
<PAGE>   13

Board of Directors, and accordingly may cause potential purchasers of the
Company to lose interest in any potential purchase of the Company, regardless
of whether such purchase would be beneficial to the Company and its
stockholders.

         The Restated Bylaws of the Company provide that the number of
directors will be fixed from time to time with the approval of two-thirds of
the of Board of Directors or the affirmative vote of at least 80% of the issued
and outstanding shares of the Company's Common Stock. Moreover, the Restated
Bylaws provide that directors may only be removed with cause by the
affirmative vote of the holders of at least a majority of the outstanding
shares of capital stock of the Company then entitled to vote at an election of
directors. This provision prevents stockholders from removing any incumbent
director without cause and allows two-thirds of the incumbent directors to add
additional directors without approval of stockholders until the next annual
meeting of stockholders at which directors of that class are elected.

         The Company's Restated Bylaws contain a provision requiring a
stockholder to give notice, not later than the number of days specified in Rule
148(a)(4) of the Exchange Act (currently 120 days), of a proposal or director
nomination that such stockholder desires to present at any annual or special
meeting of stockholders. Such provision prevents a stockholder from making a
proposal or a director nomination at a stockholder meeting without the Company
having advance notice of the proposal or director nomination. This provision
could make a change in control more difficult by providing the directors of the
Company with more time to prepare an opposition to a proposed change in
control.

         Pursuant to a Shareholder Protection Rights Agreement dated as of
April 16, 1997 by and between American Stock Transfer & Trust Company, as
rights agent, and the Company (the "Rights Agreement"), each share of Common
Stock is issued one right (a "Right") which entitles the registered holder to
purchase from the Company 1/10,000th of a share (a "Unit") of Series A Junior
Participating Preferred Stock (the "Series A Participating Preferred Stock"),
at a purchase price of $30 per Unit, subject to adjustment. Until the
Separation Time, the Rights are unexercisable and attach to and transfer with
the Common Stock certificates. The "Separation Time" will occur upon the
earlier of an announcement of the acquisition by a third party (an "Acquiring
Person") of 15% or more of the Common Stock, or the commencement of a tender
offer for 15% or more of the Common Stock.

         The Rights may have certain anti-takeover effects. The Rights will
cause substantial dilution to a person or group that attempts to acquire the
Company on terms not approved by the Board of Directors of the Company with,
where required by the Rights Agreement, the concurrence of a majority of the
continuing directors, unless the offer is conditioned on a substantial number
of Rights being acquired. However, the Rights should not interfere with any
merger, statutory share exchange or other business combination approved by a
majority of the directors since the Rights may be terminated by the Board of
Directors at any time on or prior to the close of business ten business days
after announcement by the Company that a person has become an Acquiring Person.
Thus, the Rights are intended to encourage persons who may seek to acquire
control of the Company to initiate such an acquisition through negotiations
with the Board of Directors. However, the effect of the Rights may be to
discourage a third party from making a partial tender offer or otherwise
attempting to obtain a substantial equity position in the equity securities of,
or seeking to obtain control of, the Company. To the extent any potential
acquirors are deterred by the Rights, the Rights may have the effect of
preserving the incumbent management in office. See "DESCRIPTION OF CAPITAL
STOCK - Stock Purchase Rights."


                                     - 12 -
<PAGE>   14


                                    BUSINESS

OVERVIEW

         CytRx Corporation was founded in 1985 and is engaged in the
development and commercialization of pharmaceutical-related products and
services including human therapeutics focused on high-value critical-care
therapies.

         In addition to its development work in human therapeutics, CytRx has
created three subsidiaries to broaden the development of its technologies
without losing focus on its core critical-care strategy. Vaxcel, Inc. is
developing its Optivax(R) delivery system to enhance the effectiveness of
vaccines. Vetlife, Inc. iS developing products to enhance food animal growth.
Vetlife also recently recreated its new Cattle Business Unit to market and
distribute cattle growth promotant products to beef producers. Proceutics, Inc.
provides preclinical development services to the pharmaceutical industry. In
addition, in May 1997 the Company acquired Zynaxis, Inc. which develops
vaccines for oral and mucosal delivery.

PRODUCT DEVELOPMENT

         Consolidated expenditures for research and development activities were
$3.1 million, $7.1 million, and $6.8 million during the years ended December
31, 1996, 1995, and 1994, respectively, and $3.0 million for the nine month
period ended September 30, 1997.

         CYTRX

         CytRx's human therapeutics product development efforts are focused on
critical-care products providing target opportunities for high-value
breakthrough products to address unmet medical needs. CytRx's current product
development focus is Flocor(R), which the Company believes has the potential to
alleviate the pain anD suffering associated with sickle cell crisis.

         In June 1989, the FDA informed CytRx of its decision to grant
RheothRx(R) "Orphan Drug" designation foR the treatment of sickle cell crisis.
RheothRx is the non-purified form of Flocor. The Orphan Drug Act of 1983, as
amended, provides incentive to drug manufacturers to develop drugs for the
treatment of rare diseases (e.g. diseases that affect less than 200,000
individuals in the United States, or diseases that affect more than 200,000
individuals in the United States where the sponsor does not reasonably
anticipate that its product will become profitable). As a result of the
designation of RheothRx/Flocor as an Orphan Drug, if the Company is the first
manufacturer to obtain FDA approval to market Flocor for treatment of sickle
cell crisis, the Company will obtain a seven-year period of marketing
exclusivity beginning from the date of its approval. During this period, the
FDA cannot approve the same drug for the same use from another sponsor. In
March 1990, RheothRx also received Orphan Drug designation for the treatment of
severe burns.

         In 1995, results from a 2,900 patient RheothRx trial indicated
unacceptable side effects at doses that provided therapeutic benefit to heart
attack victims. As a result, CytRx's licensee, Glaxo Wellcome PLC, returned the
rights to RheothRx to the Company. CytRx believes that RheothRx/Flocor still
offers opportunity in treating sickle cell crisis and other vascular-occlusive
disorders. In June 1996, CytRx was awarded a composition of matter patent on
Flocor.

         Flocor is an intravenous solution that has the unique property of
improving blood flow. The Company believes that Flocor has significant
potential in treating a variety of vascular-occlusive diseases where blood flow
is restricted. CytRx has chosen the painful vascular-occlusive crisis
associated with sickle cell anemia as its first development priority. Currently
there is no effective treatment to alleviate the 


                                     - 13 -
<PAGE>   15

pain and suffering sickle cell anemia patients in crisis must endure. Sickle
cell anemia primarily affects African-Americans. It is an inherited abnormality
of hemoglobin, the oxygen-carrying molecule in red blood cells. Under
conditions of low blood oxygen, which is generally caused by dehydration or
stress, the sickle cell victim's hemoglobin becomes rigid. This causes red
blood cells to lose their normal flexibility. The cells become rough, sticky
and irregularly shaped, often looking like sickles, which gives the disease its
name.

         These deformed cells cannot easily flow through the smaller blood
vessels of the body and tend to clump together, forming occlusions which impede
blood flow. The occlusions deprive tissues of vital oxygen which can result in
tissue death, inflammation and intense throbbing pain. Patients suffering from
sickle cell disease may experience several crisis episodes each year.
Hospitalization is required when pain becomes too much to bear. As there is
currently no effective treatment to alleviate the crisis, patients only receive
injectable morphine, fluids and rest. Aside from causing considerable pain and
suffering, these crisis episodes slowly destroy vital organs due to their
deprivation of oxygen. As a result, the life expectancy of sickle cell victims
is about twenty years shorter than those without the disease.

         Estimates place the number of persons suffering from sickle cell
anemia in the U.S. at about 60,000. There are about 100,000 hospital admissions
annually to treat sickle cell patients undergoing acute vascular-occlusive
crisis caused by the disease. On average, these patients require in-patient
treatment for 7.2 days, resulting in significant healthcare costs. A recent
study indicated that each year an average sickle cell patient consumes about
$25,000 in hospital goods and services while seeking treatment for his or her
pain.

         Flocor's unique surface-active properties decrease blood viscosity and
enable the rigid sickled cells to become more flexible, thus allowing easier
passage of blood cells through narrow blood vessels.

         A Phase II human clinical trial conducted by Burroughs Wellcome Co.
has indicated trends towards reducing the duration of sickle cell crisis and
associated hospital stay when Flocor is used. Also, the trial indicated that
Flocor significantly reduced use of medication required to alleviate the severe
pain. CytRx has conducted small safety and dose ranging studies with the new
purified material and is preparing to conduct a larger Phase III trial.

         The Company believes that Flocor has the potential to be an effective
treatment for other vascular-occlusive diseases as well. Once the sickle cell
program is underway, CytRx plans to explore the opportunities with Flocor in
significant diseases such as Acute Respiratory Distress Syndrome (ARDS) and
stroke. However, CytRx's current strategy is to focus its efforts and resources
on gaining approval for the acute crisis of sickle cell anemia.

         CytRx is also developing Protoxtm as a treatment for tuberculosis as
well as for use in combination with certain antibiotic and anti-viral compounds
to enhance their uptake and resulting effectiveness. Protox is currently in
preclinical development.

         VAXCEL

         Vaxcel is currently engaged in the development and commercialization
of Optivax(R), the tradename for A family of proprietary nonionic block
copolymers which may augment or modulate the immune response to vaccines when
administered injectably. Vaxcel believes Optivax may improve the effectiveness
and/or convenience of existing vaccines and may contribute to the development
of new vaccines. Vaxcel and its institutional/corporate collaborators have
conducted preclinical studies in which Optivax appears to act both as a
delivery system and as a vaccine adjuvant. In addition, a Phase I human
clinical trial was 


                                     - 14 -
<PAGE>   16

initiated by Vaxcel in early 1996 and completed in February 1997 which 
indicated both safety and adjuvant activity of Optivax in humans.

         Vaxcel's business strategy is to license Optivax on a
vaccine-by-vaccine basis to pharmaceutical and biotechnology companies engaged
in vaccine research and development. Under such arrangements, these companies
would combine Optivax with their vaccines and assume responsibility for product
development, regulatory approval and marketing at their expense. In return,
Vaxcel would receive license fees, milestone payments, and royalties on sales.
At present, Vaxcel has entered into option agreements for the development of
Optivax with Medeva PLC and Connaught Laboratories, Inc. and a license
agreement with Corixa Corporation.

         As a result of the merger of Zynaxis and Vaxcel Merger Sub, Vaxcel
acquired the PLG microencapsulation and mucoadhesive vaccine technologies of
Zynaxis. These technologies are complimentary to Vaxcel's technology, as
Optivax is primarily focused on enhancing the effectiveness of injectable
vaccines, while the Zynaxis technologies are primarily targeted toward
development of vaccines for oral and mucosal delivery. CytRx and Vaxcel believe
the Zynaxis oral delivery technologies may have commercial application for many
marketed vaccines currently administered by parenteral injection, as well as
certain new vaccines under development. In addition, the Zynaxis technologies
can be administered alone or in combination with other vaccine carriers,
delivery systems, and adjuvants. Similar to Optivax, Vaxcel's business strategy
for the Zynaxis technologies is to license these technologies to companies
engaged in vaccine research and development. In September 1995, ALK A/S, a
Danish company, executed a development and licensing agreement with Zynaxis
which granted ALK exclusive, worldwide rights to evaluate and develop the
Zynaxis technologies for oral delivery of bioactive substances for the
treatment of allergies. ALK is a world leader in the preparation and
standardization of allergen extracts for allergy immunotherapy. ALK is
currently conducting a Phase II human clinical trial.

         VETLIFE

         VetLife, a food animal health company with its North American beef
cattle implant operations in Winterset, Iowa and Overland Park, Kansas, is
focused on marketing and distributing novel technologies to enhance North
American beef cattle productivity and end-product quality without compromising
human food safety or the environment. VetLife currently markets a line of
cattle implants and value-added services to corporate feedlot operators, major
beef cattle product distributors, veterinarians and consulting nutritionists.
VetLife is also engaged in developing technologies to improve the value of food
animal products. Technologies being researched include a nonantibiotic growth
promoter for use in poultry and swine, novel adjuvants to enhance animal
vaccines, and antibiotic potentiators to overcome antibiotic resistance or
reduce the level of drug required.

         In 1996, VetLife entered into worldwide manufacturing, marketing, and
distribution alliances with two companies which are pioneers and established
participants in the cattle growth implant business, Ivy Laboratories, Inc. and
Elanco Animal Health. The Ivy agreement allows VetLife to market and distribute
Ivy's line of FDA approved cattle growth products and devices in North America.
Pursuant to the Elanco Agreement, VetLife became Elanco's exclusive supplier of
cattle growth promotant products. These alliances position VetLife to offer the
most complete line of cattle implant products currently available to the United
States market.

         VetLife currently offers seven cattle growth implants, including
Compudose(R) and Component(TM) E-S, E-H, E-C, T-S, T-H, and TE-S. VetLife
anticipates launching four new cattle implant products by the second quarter of
1999. All Component(TM) implants are designed to be administered by the
Component One Gun(TM) implant devicE, A patented, controlled-pressure implant
"gun" that permits precise implantation in one efficient motion. Utilization of
the One Gun(TM) device reduces feedlot operators' implant costs by 


                                     - 15 -
<PAGE>   17

materially decreasing implaNT errors. VetLife also packages its Component(TM)
implants using a unique color-coded packaging system thAT distinguishes
different implant types.

         The effectiveness of VetLife's cattle implants are enhanced by cattle
implant programs and services tailored to meet specific customer objectives.
VetLife's V*Net(TM) Implant Management System is a powerful databaSE that helps
producers, consultants and veterinarians implement specific, real-time implant
management decisions and recommendations. The V*Net System provides access to
information on hundreds of implant management trials that enable VetLife to
design a customized implant program for any cattle producer. VetLife also has a
novel Benchmark(TM) Program which enables producers to compare their own
implant programs with other Benchmark(TM) feeDLOTS on a quarterly basis.

         Regulations imposed by the United States government and other
countries require a demonstration of the safety and efficacy of new animal
drugs in the target animal as well as human food safety prior to marketing. See
"Government Regulation." There can be no assurance that any particular
development program of the Company will lead to the development of a marketable
product, that any such product will be approved by the appropriate regulatory
agencies or that any approved product will be profitable.

         PROCEUTICS

         Proceutics was formed in 1995 and commenced formal operations in
January 1996. Proceutics is targeting a growing need within biopharmaceutcal
companies by providing high-value, high-quality pharmaceutical development
services to supplement pre-IND activities. Proceutics provides a wide range of
client services including analytical method development and analysis, quality
control testing, pharmaceutics, stability program management, regulatory
compliance and consultation, manufacturing, packaging and labeling of clinical
supplies, and bioanalytical method development and analysis.

         Proceutics' customer base targets three distinct drug development
segments. First are large pharmaceutical companies that have more compounds
under development than available people or facilities. The second customer
target is small biotechnology and drug development startup companies that do
not have the money and time to construct validated facilities to carry out
their testing requirements. The third group is generic drug distributors that
need to do testing in support of generic drug development.

         Proceutics has found established pharmaceutical companies to be a good
customer base since they have so much work to do, need reliable outsourcing
alternatives and, when satisfied with the work, they keep sending new business.
Proceutics' business objective is to provide quality service at a fair price
that is delivered on time. The Company anticipates that Proceutics will
successfully meet the objective as Proceutics continues to add new clients, and
generates repeat business from satisfied clients.

OTHER PRODUCTS AND SERVICES

         CytRx manufactures, markets and distributes TiterMax(R), an adjuvant
used to produce cell mediated anD humoral responses in research animals. The
keys to the potency of TiterMax lie in its immunostimulatory activity and the
formation of stable water-in-oil emulsions. TiterMax aids in the antigen's
effective presentation to the immune system without the toxic effects of other
research adjuvants.

         CytRx also has a small group of human resource professionals who, in
addition to their services to the Company, provide recruiting services to third
parties under the name of Spectrum Recruitment Research.


                                     - 16 -
<PAGE>   18


MANUFACTURING

         The Company maintains a portion of its Norcross, Georgia headquarters
as a pilot manufacturing facility in order to produce the bulk clinical supply
ingredients for its product development programs. Production of the final
dosage form of materials for use in clinical trials will be performed by third
party manufacturers. The Company's pilot facility is intended for manufacture
of investigational supplies of certain of the Company's products under
development and is generally not large enough to produce quantities of product
adequate for commercial purposes. The process used in the pilot facility also
may require modification to achieve commercial scale. If the Company modifies
its manufacturing process or changes the source or location of product supply,
regulatory authorities will require the Company to demonstrate that the
material produced from the modified or new process or facility is equivalent to
the material used in the Company's clinical trials. Further, any manufacturing
facility and the quality control and manufacturing procedures used by the
Company for the commercial supply of a product must comply with applicable
Occupational Safety and Health Act ("OSHA"), Environmental Protection Act
("EPA"), and FDA standards, including Good Manufacturing Practice regulations.

         Cattle growth products marketed and distributed by Vetlife are
manufactured under contract by IVY and Elanco.

PATENTS AND PROPRIETARY TECHNOLOGY

         CytRx considers the protection of its discoveries and inventions
critical to its business. The Company seeks patent protection for its
technology when deemed appropriate and has filed patent applications in the
United States and selected foreign countries covering several general product
areas, including technology licensed from Emory University (see below) and
others. There can be no assurance that patent applications which have been or
will in the future be filed by the Company will result in the issuance of any
patents, or, if issued, that such patents will provide sufficient protection or
be of commercial benefit to CytRx and its licensees.

         Pursuant to an agreement with Emory University ("Emory") whereby
certain basic research was performed by the Company utilizing the research
facilities and support staff at Emory, Emory will be assigned the rights to all
patents acquired as a result of discovery activities conducted at Emory on
behalf of CytRx. Emory has granted CytRx exclusive worldwide licenses to these
patents. Emory is entitled to receive royalty payments on sales made by CytRx
of products covered by the licensed patents, and on payments received by CytRx
as a result of sales of such products made by a third party. In the event that
patents are not issued with respect to a particular class of products, the
Company's license with respect to that class of products will terminate.

COMPETITION

         Many companies, including large pharmaceutical, chemical and
biotechnology firms with financial resources, research and development staffs,
and facilities that are substantially greater than those of the Company, are
engaged in the research and development of pharmaceutical products that could
compete with the products under development by the Company. The industry is
characterized by rapid technological advances and competitors may develop their
products more rapidly and/or such products may be more effective than those
under development by the Company or its licensees and corporate partners. The
Company competes in this research and development environment by attempting to
develop its products and technologies in an innovative and timely fashion that
would provide the Company with an advantage in the licensing and/or marketing
of its products and technologies.


                                     - 17 -
<PAGE>   19


GOVERNMENT REGULATION

         Regulations imposed by the United States government and other
countries require a demonstration of the safety and efficacy of new animal
drugs in the target animal as well as human food safety prior to marketing.
There can be no assurance that any particular development program of the
Company will lead to the development of a marketable product, that any such
product will be approved by the appropriate regulatory agencies or that any
approved product will be profitable.

         The marketing of pharmaceutical products requires the approval of the
FDA and comparable regulatory authorities in foreign countries. The FDA has
established guidelines and safety standards which apply to the pre-clinical
evaluation, clinical testing, manufacture and marketing of pharmaceutical
products. The process of obtaining FDA approval for a new therapeutic product
(drug) generally takes several years and involves the expenditure of
substantial resources. The steps required before such a product can be produced
and marketed for human use in the United States include preclinical studies in
animal models, the filing of an Investigational New Drug ("IND") application,
human clinical trials and the submission and approval of a New Drug Application
("NDA"). The NDA involves considerable data collection, verification and
analysis, as well as the preparation of summaries of the manufacturing and
testing processes, preclinical studies, and clinical trials. The FDA must
approve the NDA before the drug may be marketed. There can be no assurance that
the Company will be able to obtain the required FDA approvals for any of its
products.

         The manufacturing facilities and processes for the Company's products,
whether manufactured directly by the Company or by a third party, will be
subject to rigorous regulation, including the need to comply with Federal Good
Manufacturing Practice regulations. The Company is also subject to regulation
under the OSHA, the EPA, the Nuclear Energy and Radiation Control Act, the
Toxic Substance Control Act and the Resource Conservation and Recovery Act.

ENVIRONMENTAL PROTECTION

         The Company's pharmaceutical development center is exempt from the CFR
(40-Part 370) hazardous chemical reporting. The facility is classified as a
small quantity generator of hazardous waste, which includes radio-isotopes,
biological and chemical hazards. Such waste is removed by a qualified waste
hauler. The Company has established a Corporate Safety Committee to oversee its
Health and Safety Policy which defines procedures for identification of risks
posed to employees from hazardous material and training of employees in the
proper handling and disposal of such materials.

         During 1993 and 1994 the Company incurred approximately $2.6 million
to expand and renovate its pharmaceutical development facility. These
expenditures included amounts related to the installation of a single pass air
handling system with HEPA filters for the exhaust air from Biosafety Level III
and radiological hoods. Also included were the installation of backflow
prevention devices and acid dilution basins to neutralize waste water leaving
the facility. During 1996 and 1997 compliance with federal, state and local
regulations pertaining to environmental standards did not have a material
effect upon the capital expenditures or earnings of the Company.

EMPLOYEES

         As of December 31, 1997, the Company had 73 full-time and 3 part-time
employees.


                                    - 18 -
<PAGE>   20


PROPERTIES

         The Company's executive offices and operational facilities, consisting
of an aggregate of approximately 30,700 square feet, are located on property
owned by the Company at 150 and 154 Technology Parkway, Norcross, Georgia.
These facilities include approximately 20,000 square feet of laboratories,
pilot manufacturing, and associated space.

         The Company also leases approximately 3,500 square feet of office and
warehouse space in Winterset, Iowa and 600 square feet of office space in
Overland Park, Kansas in support of Vetlife's Cattle Business Unit activities.

         The above-mentioned facilities are in satisfactory condition and
suitable for the particular purposes for which they were acquired or
constructed and are adequate for present operations.


                                    - 19 -
<PAGE>   21


                              SELLING STOCKHOLDERS

         Except for the Shares offered hereunder by Shipley, Raidy Capital
Partners, L.P., the Selling Stockholders offering shares under this Prospectus
will consist entirely of the Investors in the Note Sale. Except for the Shares
offered hereunder by Shipley, Raidy Capital Partners, L.P., the Shares offered
pursuant to this Prospectus are shares of Common Stock into which the Debentures
are convertible or for which the Warrants are exercisable. At the time of this
Prospectus, $300,000 of the Debentures have been converted and none of the
Warrants have been exercised.

         None of the Selling Stockholders is now, nor has been, an officer,
director or employee of the Company nor has had a material relationship with
the Company in the three years immediately preceding the date of this
Prospectus. Except for Gundyco in trust for R.R.S.P. 550-98866-19 and Excalibur
Limited Partnership, each Selling Stockholder currently beneficially owns less
than one percent of the outstanding Common Stock. Gundyco in trust for R.R.S.P.
550-98866-19 beneficially owns approximately 7.1% of the outstanding Common
Stock, and Excalibur Limited Partnership beneficially owns approximately 1.9%
of the outstanding Common Stock.

         The following table sets forth the maximum number of Shares that the
Company expects to be offered under this Prospectus*, all of which shares may
be offered by such Selling Stockholders from time to time:

<TABLE>
<CAPTION>

                                                                   Number of Shares Beneficially
Name of Selling Stockholder                                          owned Prior to Offering(1)
- ---------------------------                                          -----------------------
<S>                                                                <C>
Gundyco in trust for R.R.S.P. 550-98866-19                                   580,398(2)

Excalibur Limited Partnership                                                154,772(3)

Pine Asset Management                                                         19,346(4)

Charles N. Eckert                                                              9,673(5)

David Kasoff                                                                   9,673(6)

Shipley, Raidy Capital Partners                                                3,000
</TABLE>


*         Assuming exercise of all Warrants and conversion of all Debentures 
held by each of the Selling Stockholders. The Company has used a Conversion
Price of $2.7253 for conversion of the Debentures, which represents 85% of the
average closing price of the Common Stock for the ten trading days ending 
January 2, 1998.

(1)       Beneficial ownership is determined in accordance with the rules of 
the Securities and Exchange Commission that deem shares to be beneficially
owned by any person (1) who has or shares voting or investment power with 
respect to such shares or (2) who, within 60 days of January 9, 1998, has the
right to acquire Common Stock through the exercise of the Warrants or conversion
of the Debentures.

(2)       Represents 30,000 Shares from which Warrants held by Gundyco in trust 
for R.R.S.P. 550-98866-19 are exercisable and 550,398 Shares that the Company
expects to be issued upon conversion of all of the Debentures held by Gundyco
in trust for R.R.S.P. 550-98866-19 using a Conversion Price of $2.7253.


                                    - 20 -
<PAGE>   22


(3)       Represents 8,000 Shares from which Warrants held by Excalibur Limited
Partnership are exercisable and 146,772 Shares that the Company expects to be
issued upon conversion of all of the Debentures held by Excalibur Limited
Partnership using a Conversion Price of $2.7253.

(4)       Represents 1,000 Shares from which Warrants held by Pine Asset 
Management are exercisable and 18,346 Shares that the Company expects to be
issued upon conversion of all of the Debentures held by Pine Asset Management
using a Conversion Price of $2.7253.

(5)       Represents 500 Shares from which Warrants held by Charles N. Eckert 
are exercisable and 9,173 Shares that the Company expects to be issued upon
conversion of all of the Debentures held by Charles N. Eckert using a
Conversion Price of $2.7253.

(6)       Represents 500 Shares from which Warrants held by David Kasoff are
exercisable and 9,173 Shares that the Company expects to be issued upon
conversion of all of the Debentures held by David Kasoff using a Conversion
Price of $2.7253.


                          DESCRIPTION OF CAPITAL STOCK

         The authorized capital stock of the Company consists of 18,750,000
shares of Common Stock, par value $.001 per share, and 1,000 shares of
Preferred Stock, par value $.01 per share. The following description of the
capital stock is qualified in all respects by reference to the Restated
Certificate of Incorporation, and Restated Bylaws, as amended, of the Company,
copies of which are on file at the Company's principal executive offices.

COMMON STOCK

         The holders of shares of the Common Stock do not have any cumulative
voting, conversion, redemption or preemptive rights. Subject to any
preferential rights of any outstanding series of preferred stock designated by
the CytRx Board of Directors from time to time, the holders of shares of the
Common Stock are entitled to such dividends as may be declared from time to
time by the CytRx Board of Directors from funds available therefor, and upon
liquidation are entitled to receive pro rata all assets available for
distribution to such holders. Except as otherwise required by law, each holder
of shares of Common Stock is entitled to one vote for each share on all matters
voted on by stockholders, including the election of directors.

PREFERRED STOCK

         The Company is authorized to issue 1,000 shares of Preferred Stock,
all of which the Company has designated Series A Junior Participating Preferred
Stock. Each share of Preferred Stock is entitled to one vote, voting separately
as a class with any capital stock that comprises the Reference Package, on all
matters voted on by the stockholders, including the election of directors. In
addition, holders of Series A Participating Preferred Stock shall be paid
dividends, (a) on each date dividends or other distributions payable in Common
Stock are payable on or in respect of Common Stock comprising part of the
Reference Package, in an amount per whole share of Series A Participating
Preferred Stock equal to the aggregate amount of dividends or other
distributions (other than dividends or distributions payable in Common Stock)
that would be payable on such date to a holder of the Reference Package, and
(b) for each share of Series A Participating Preferred Stock, on the last day
of March, June, September and December of each year, $1.00, less the aggregate
per share dividend paid to such holder during the previous three month period
ending on such last day. Upon liquidation of the Company, each holder of
Preferred Stock is entitled to the greater of (i) $1.00 per share or (ii) the
aggregate amount distributed to a holder of a Reference Package, 


                                    - 21 -
<PAGE>   23


together with accrued dividends to such distribution or payment date, whether
or not earned or declared. The "Reference Package" means initially, 100 shares
of the Common Stock, subject to adjustment.

STOCK PURCHASE RIGHTS

         Effective April 16, 1997, the Board of Directors of the Company
declared a distribution of one Right for each outstanding share of the
Company's Common Stock to stockholders of record at the close of business on
May 15, 1997 and for each share of Common Stock issued (including shares
distributed from Treasury) by the Company thereafter and prior to the
Separation Time. Each Right entitles the registered holder to purchase from the
Company one Unit, equal to 1/10,000th of a share of the Company's $.01 par
value per share preferred stock at a purchase price of $30 per Unit, subject to
adjustment. The description and terms of the Rights are set forth in the Rights
Agreement.

         Initially, the Rights will attach to all certificates representing
shares of outstanding Company Common Stock, and no separate Rights Certificates
will be distributed. The Rights will separate from the Common Stock and the
Separation Time will occur upon the earlier of (i) ten business days (unless
otherwise accelerated or delayed by the Board) following public announcement
that an Acquiring Person has acquired, obtained the right to acquire, or
otherwise obtained beneficial ownership of 15% or more of the then outstanding
shares of Common Stock (a "Flip-In Date"), or (ii) ten business days (unless
otherwise delayed by the Board) following the commencement of a tender offer or
exchange offer that would result in the person or group beneficially owning 15%
or more of the then outstanding shares of Common Stock. An Acquiring Person
does not include (a) any person who is a beneficial owner of 15% or more of the
Common Stock on April 16, 1997 (the date of adoption of the Rights Agreement),
unless such person or group shall thereafter acquire beneficial ownership of
additional Common Stock, (b) a person who acquires beneficial ownership of 15%
or more of the Common Stock without any intention to affect control of the
Company and who thereafter promptly divests sufficient shares so that such
person ceases to be the beneficial owner of 15% or more of the Common Stock, or
(c) a person who is or becomes a beneficial owner of 15% or more of the Common
Stock as a result of an option granted by the Company in connection with an
agreement to acquire or merge with the Company prior to a Flip-In Date.

         The Rights have certain anti-takeover effects. The Rights will cause
substantial dilution to a person or group that attempts to acquire the Company
without approval of the Board of Directors. Accordingly, the Rights may cause
potential purchasers of the Company to lose interest in any potential purchase,
regardless of whether such purchase would be beneficial to the Company and its
stockholders.

SPECIAL PROVISIONS OF THE AMENDED AND RESTATED CERTIFICATE OF INCORPORATION, 
BYLAWS AND DELAWARE LAW

         Certain provisions of the Company's Restated Certificate of
Incorporation and Restated Bylaws may be deemed to have an anti-takeover effect
or may delay, defer or prevent a tender offer or takeover attempt that a
stockholder might consider in such stockholder's best interest, including those
attempts that might result in a premium over the market price for the shares
held by a stockholder.

         Classified Board of Directors. In its 1997 annual meeting, the
stockholders of the Company voted to classify its board of directors. As a
result of the classification of the board of directors, at least two
stockholder meetings, instead of one, will be required to effect a change in
the majority control of the Company board, except in the event of vacancies
resulting from removal for cause (in which case the remaining directors would
fill the vacancies so created). It should also be noted that the classification
provision will apply to every election of directors, rather than only an
election occurring after a change in control. The classification of directors
has the effect of making it more time-consuming to change majority control of
the Company's Board of Directors, and accordingly may cause potential
purchasers of the 


                                    - 22 -
<PAGE>   24

Company to lose interest in any potential purchase of the Company, regardless
of whether such purchase would be beneficial to the Company and its
stockholders.

         Number of Directors; Removal of Directors. The Restated Bylaws of the
Company provide that the number of directors will be fixed from time to time
with the approval of two-thirds of the of Board of Directors or the affirmative
vote of at least 80% of the issued and outstanding shares of the Company's
Common Stock. Moreover, the Restated Bylaws provides that directors may only be
removed with cause by the affirmative vote of the holders of at least a
majority of the outstanding shares of capital stock of the Company then
entitled to vote at an election of directors. This provision prevents
stockholders from removing any incumbent director without cause and allows
two-thirds of the incumbent directors to add additional directors without
approval of stockholders until the next annual meeting of stockholders at which
directors of that class are elected.

         Stockholder Nominations and Proposals. The Company's Restated Bylaws
contain a provision requiring a stockholder to give notice, not later than the
number of days specified in Rule 148(a)(4) of the Exchange Act (currently 120
days), of a proposal or director nomination that such stockholder desires to
present at any annual or special meeting of stockholders. Such provision
prevents a stockholder from making a proposal or a director nomination at a
stockholder meeting without the Company having advance notice of the proposal
or director nomination. This provision could make a change in control more
difficult by providing the directors of the Company with more time to prepare
an opposition to a proposed change in control.

         Delaware Anti-Takeover Law. Section 203 of the Delaware General
Corporation Law (the "DGCL") ("Section 203") applies to the Company and
generally provides that a person who, together with affiliates and associates
owns, or within three years did own, 15% or more of the outstanding voting
stock of a corporation subject to the statute (an "Interested Stockholder") but
less than 85% of such stock may not engage in certain business combinations
with the corporation for a period of three years after the date on which the
person became an Interested Stockholder unless (I) prior to such date, the
corporation's board of directors approved either the business combination or
the transaction in which the stockholder became an Interested Stockholder, (ii)
the Interested Stockholder acquired 85% or more of the outstanding voting stock
of the corporation in the same transaction that makes such person an Interested
Stockholder (excluding shares owned by persons who are both officers and
directors of the corporation, and shares held by certain employee stock
ownership plans), or (iii) subsequent to such date, the business combination is
approved by the corporation's board of directors and authorized at a
stockholders' meeting by a vote of at least two-thirds of the corporation's
outstanding voting stock not owned by the Interested Stockholder. Section 203
defines the term "business combination" to encompass a wide variety of
transactions with or caused by an Interested Stockholder, including mergers,
asset sales, and other transactions in which the Interested Stockholder
receives or could receive a benefit on other than a pro rata basis with other
stockholders.

         The Company's stockholders, by adopting an amendment to the Restated
Certificate of Incorporation, may elect not to be governed by Section 203,
which election would be effective 12 months after such adoption. Neither the
Restated Certificate of Incorporation nor the Restated Bylaws presently exclude
the Company from the restrictions imposed by Section 203, and the restrictions
imposed by Section 203 apply to the Company. The provisions of Section 203
could delay or frustrate a change in control of the Company, deny stockholders
the receipt of a premium on their Common Stock and have a depressing effect on
the market price of the Common Stock. The provisions also could discourage,
impede or prevent a merger, tender offer or proxy contest, even if such event
would be favorable to the interests of stockholders.


                                    - 23 -
<PAGE>   25

TRANSFER AGENT

         The transfer agent and registrar for the Company's Common Stock is
American Stock Transfer & Trust Company, in New York, New York.

                              PLAN OF DISTRIBUTION

         Pursuant to a Registration Rights Agreement dated as of October 22,
1997 (the "Registration Rights Agreement") between the Company and the initial
purchasers named therein, entered into in connection with the Note Sale, the
Registration Statement (the "Registration Statement") of which this Prospectus
forms a part was filed with the Commission covering the resale of the Shares.
The Company has agreed to use all reasonable efforts to keep the Registration
Statement effective until October 22, 1999 (or such earlier date when the
holders of the Securities are able to sell all such Securities immediately
without restriction pursuant to Rule 144(k) under the Securities Act or any
successor rule thereto or otherwise). The Company will be permitted to suspend
the use of this Prospectus (which is a part of the Registration Statement) in
connection with sales of Securities by holders during certain periods of time
under certain circumstances relating to pending corporate developments and
public filings with the Commission and similar events. The specific provisions
relating to the registration rights described above are contained in the
Registration Rights Agreement, and the foregoing summary is qualified in its
entirety by reference to the provisions of such agreement.

         Sales of the Shares may be effected by or for the account of the
Selling Stockholders from time to time in transactions on any exchange or
market on which the Shares are listed or quoted, as applicable, in negotiated
transactions, through a combination of such methods of sale, or otherwise, at
fixed prices that may be changed, at market prices prevailing at the time of
sale, at prices related to prevailing market prices, or at negotiated prices.
The Selling Stockholders may effect such transactions by selling the Shares
directly to purchasers, through broker- dealers acting as agents for the
Selling Stockholders, or to broker-dealers who may purchase Shares as
principals and thereafter sell the Shares from time to time in transactions on
any exchange or market on which such securities are listed or quoted, as
applicable, in negotiated transactions, through a combination of such methods
of sale, or otherwise. In effecting sales, broker dealers engaged by Selling
Stockholders may arrange for other broker-dealers to participate. Such
broker-dealers, if any, may receive compensation in the form of discounts,
concessions or commissions from the Selling Stockholders and/or the purchasers
of the Shares for whom such broker-dealers may act as agents or to whom they
may sell as principals, or both (which compensation as to a particular
broker-dealer might be in excess of customary commissions).

         The Selling Stockholders and any broker-dealers, agents or
underwriters that participate with the Selling Stockholders in the distribution
of the Shares may be deemed to be "underwriters" within the meaning of the
Securities Act. Any commissions paid or any discounts or concessions allowed to
any such persons, and any profits received on the resale of the Shares offered
hereby and purchased by them may be deemed to be underwriting commissions or
discounts under the Securities Act.

         At the time a particular offering of the Shares is made and to the
extent required, the name or names of the Selling Stockholders, and the terms
of the offering, including the name or names of any underwriters,
broker-dealers or agents, any discounts, concessions or commissions and other
terms constituting compensation from the Selling Stockholders, and any
discounts, concessions or commissions allowed or reallowed or paid to
broker-dealers, will be set forth in an accompanying Prospectus Supplement.


                                    - 24 -
<PAGE>   26


         Pursuant to the Registration Rights Agreement, the Company has agreed
to pay all expenses incident to the offer and sale of the Shares offered by the
Selling Stockholders hereby, except that the Selling Stockholders will pay all
underwriting discounts, selling commissions, if any, and all fees and
disbursements for their counsel, except for one counsel to all the Selling
Stockholders. The Company has agreed to indemnify the Selling Stockholders
against certain liabilities, including liabilities under the Securities Act,
and to contribute to payments the Selling Stockholders may be required to make
in respect thereof.

         To comply with the securities laws of certain jurisdictions, if
applicable, the Shares offered hereby will be offered or sold in such
jurisdictions only through registered or licensed brokers or dealers. Under
applicable rules and regulations under the Exchange Act, any person engaged in
a distribution of the Shares may be limited in its ability to engage in market
activities with respect to such Shares. In addition to and without limiting the
foregoing, each Selling Stockholder will be subject to applicable provisions of
the Exchange Act and the rules and regulations thereunder, which provisions may
limit the timing of purchase and sales of any of the Shares by the Selling
Stockholders. The foregoing may affect the marketability of the Shares.

                                 LEGAL MATTERS

         The validity of the shares of Common Stock offered hereby will be
passed upon for the Selling Stockholders by Alston & Bird LLP, Atlanta, Georgia.


                              INDEPENDENT AUDITORS

         The consolidated financial statements of the Company incorporated by
reference in the Company's Annual Report (Form 10-K/A) for the year ended
December 31, 1996, have been audited by Ernst & Young LLP, independent
auditors, as set forth in their report thereon incorporated by reference
therein and incorporated herein by reference. Such financial statements
referred to above are incorporated herein by reference in reliance upon such
report given upon the authority of such firm as experts in accounting and
auditing.


                                    - 25 -
<PAGE>   27



     NO DEALER, SALES REPRESENTATIVE 
OR ANY OTHER PERSON HAS BEEN AUTHORIZED                233,864 Shares
TO GIVE ANY INFORMATION OR TO MAKE ANY 
REPRESENTATIONS IN CONNECTION WITH THIS 
OFFERING OTHER THAN THOSE CONTAINED IN                CYTRX CORPORATION
THIS PROSPECTUS, AND, IF GIVEN OR MADE,
SUCH INFORMATION OR REPRESENTATIONS MUST 
NOT BE RELIED UPON AS HAVING BEEN
AUTHORIZED BY THE COMPANY, BY ANY SELLING 
STOCKHOLDER OR BY ANY UNDERWRITER.                      COMMON STOCK
THIS PROSPECTUS DOES NOT CONSTITUTE AN 
OFFER TO SELL, OR A SOLICITATION OF AN
OFFER TO BUY, ANY SECURITIES OTHER THAN         
THE REGISTERED SECURITIES TO WHICH IT
RELATES OR AN OFFER TO, OR A SOLICITATION 
OF, ANY PERSON IN ANY JURISDICTION
WHERE SUCH AN OFFER OR SOLICITATION WOULD         -------------------------
BE UNLAWFUL. NEITHER THE DELIVERY OF
THIS PROSPECTUS NOR ANY SALE MADE HEREUNDER             PROSPECTUS
SHALL, UNDER ANY CIRCUMSTANCES,CREATE ANY 
IMPLICATION THAT THE INFORMATION CONTAINED        -------------------------
HEREIN IS CORRECT AS OF ANY TIME SUBSEQUENT 
TO THE DATE HEREOF.                               

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

       TABLE OF CONTENTS
                                       PAGE
                                       ----
Incorporation of Certain Documents by 
Reference
Summary
Risk Factors
Business
Selling Stockholders
Description of Capital Stock
Plan of Distribution
Legal Matters
Independent Auditors


<PAGE>   28

                                    PART II

                   INFORMATION NOT REQUIRED IN THE PROSPECTUS

ITEM 14. OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION.

         The expenses in connection with the issuance and distribution of the
Common Stock are set forth in the following table. All amounts except the
Securities and Exchange Commission registration fee and the NASD filing fee are
estimated.

<TABLE>
<S>                                                                                                              <C>
Securities and Exchange Commission Registration Fee..................................................            $  227.05
Auditors' Fees and Expenses..........................................................................                    *
Legal Fees and Expenses..............................................................................                    *
                                                                                                                         *
Transfer Agent and Registrar Fees....................................................................                    *
Miscellaneous........................................................................................                    *
         Total.......................................................................................            $       *
                                                                                                                 =========
</TABLE>

*Estimated

ITEM 15. INDEMNIFICATION OF DIRECTORS AND OFFICERS.

         Pursuant to the Company's Restated Certificate of Incorporation, the
Company is obligated to indemnify each of its directors and officers to the
fullest extent permitted by law with respect to all of the expenses (including
attorneys' fees), judgments, fines and amounts paid in settlement actually and
reasonably incurred by such person in connection with any action, suit or
proceeding arising out of actions of such person in his official capacity and
as to actions in another capacity while holding such office.

         In addition, the Company's Restated Certificate of Incorporation
provides that directors of the Company shall not be personally liable to the
Company or its stockholders for monetary damages for breach of fiduciary duty
as a director, except for liability (a) for any breach of the director's duty
of loyalty to the Company or its stockholders, (b) for acts or omissions not in
good faith or which involve intentional misconduct or a knowing violation of
law, (c) under Section 174 of the DGCL, or (d) for any transaction from which
the director derived any improper personal benefit.

         The Company holds an insurance policy covering directors and officers
under which the insurer agrees to pay, subject to certain exclusions, for any
claim made against the directors and officers of the Company for a wrongful act
that they may become legally obligated to pay or for which the Company is
required to indemnify the directors or officers, including liabilities under
the Securities Act. The Company believes that these provisions of its Restated
Certificate of Incorporation and Restated Bylaws are necessary to attract and
retain qualified persons as directors and officers.

         Insofar as indemnification for liabilities arising under the
Securities Act of 1933 may be permitted to directors, officers and controlling
persons of the Company pursuant to the foregoing provisions, or otherwise, the
Company has been advised that in the opinion of the Securities and Exchange
Commission such indemnification is against public policy as expressed in the
Securities
<PAGE>   29

Act and is, therefore, unenforceable. In the event that a claim for
indemnification against such liabilities (other than the payment by the Company
of expenses incurred or paid by a director, officer or controlling person of
the Company in the successful defense of any action, suit or proceeding) is
asserted by such director, officer or controlling person in connection with the
securities being registered, the Company will, unless in the opinion of its
counsel the matter has been settled by controlling precedent, submit to a court
of appropriate jurisdiction the question whether such indemnification by it is
against public policy as expressed in the Securities Act and will be governed
by the final adjudication of such issue.

ITEM 16.  EXHIBITS AND FINANCIAL STATEMENT SCHEDULES.

<TABLE>
<CAPTION>

    EXHIBIT
    NUMBER                           EXHIBIT DESCRIPTION
    ------                           -------------------
    <S>           <C>
    3.1           Restated Certificate of Incorporation of the Registrant 
                  (Incorporated herein by reference to Exhibit 3.1 to
                  Registrant's registration statement on Form S-3 filed
                  November 5, 1997)

    3.2           Restated Bylaws of the Registrant, as amended (Incorporated 
                  herein by reference to Exhibit 4.2 to the Registrant's
                  registration statement or Form S-8 filed July 21, 1997)

    3.3           Shareholder Protection Rights Agreement dated April 16, 1997
                  between CytRx Corporation and American Stock Transfer & Trust
                  Company as Rights Agent (Incorporated herein by reference to
                  Exhibit 4.1 to the Registrant's quarterly report on Form 10-Q
                  for the quarter ended March 31, 1997, File Number 000-15327)

    4.1           See Exhibits 3.1-3.3 for provisions of the Restated 
                  Certificate of Incorporation and Restated Bylaws, as amended,
                  defining the rights of the holders of Common Stock of the
                  Registrant

    5*            Opinion of Alston & Bird LLP

   23.1*          Consent of Alston & Bird LLP (included in Exhibit 5 above)*

   23.2           Consent of Independent Auditors

   24             Powers of Attorney (see Page II-4)
</TABLE>

*To be filed by amendment.


ITEM 17.  UNDERTAKINGS.

         (a)      The undersigned registrant hereby undertakes that, for 
purposes of determining any liability under the Securities Act of 1933, each
filing of the registrant's annual report pursuant to Section 13(a) or 15(d) of
the Securities Exchange Act of 1934 (and, where applicable, each 


                                     - 2 -
<PAGE>   30

filing of an employee benefit plan's annual report pursuant to Section 15(d) of
the Securities Exchange Act of 1934) that is incorporated by reference in the
registration statement shall be deemed to be a new registration statement
relating to the securities offered therein, and the offering of such securities
at that time shall be deemed to be the initial bona fide offering thereof.

         (b)       Insofar as indemnification for liabilities arising under the
Securities Act of 1933 may be permitted to directors, officers and controlling
persons of the registrant pursuant to the foregoing provisions, or otherwise,
the registrant has been advised that in the opinion of the Securities and
Exchange Commission such indemnification is against public policy as expressed
in the Act and is, therefore, unenforceable. In the event that a claim for
indemnification against such liabilities (other than the payment by the
registrant of expenses incurred or paid by a director, officer or controlling
person of the registrant in the successful defense of any action, suit or
proceeding) is asserted by such director, officer or controlling person in
connection with the securities being registered, the registrant will, unless in
the opinion of its counsel the matter has been settled by controlling
precedent, submit to a court of appropriate jurisdiction the question whether
such indemnification by it is against public policy as expressed in the Act and
will be governed by the final adjudication of such issue.

         (c)       The undersigned registrant hereby undertakes that:

                  (1) For purposes of determining any liability under the
         Securities Act of 1933, the information omitted from the form of
         prospectus filed as part of this registration statement in reliance
         upon Rule 430A and contained in a form of prospectus filed by the
         registrant pursuant to Rule 424(b)(1) or (4) or 497(h) under the
         Securities Act shall be deemed to be part of this registration
         statement as of the time it was declared effective.

                  (2) For the purpose of determining any liability under the
         Securities Act of 1933, each post-effective amendment that contains a
         form of prospectus shall be deemed to be a new registration statement
         relating to the securities offered therein, and the offering of such
         securities at that time shall be deemed to be the initial bona fide
         offering thereof.




                                   SIGNATURES

         Pursuant to the requirements of the Securities Act of 1933, the
registrant certifies that it has reasonable grounds to believe that it meets
all of the requirements for filing on Form S-3 and has duly caused this
registration statement to be signed on its behalf by the undersigned, thereunto
duly authorized, in the city of Atlanta, and State of Georgia, on November 5,
1997.


                                            CYTRX CORPORATION

                                            By: /s/ Jack J. Luchese
                                               -----------------------------
                                                    Jack J. Luchese
                                               President and Chief Executive
                                               Officer


                                     - 3 -
<PAGE>   31


                               POWER OF ATTORNEY

         KNOW ALL MEN BY THESE PRESENTS that each person whose signature
appears below constitutes and appoints Jack J. Luchese and Mark W. Reynolds and
each of them, with the power to act without the other, as his true and lawful
attorneys-in-fact and agents, with full power of substitution and
resubstitution, for him and in his name, place and stead, in any and all
capacities, to sign any and all amendments (including post-effective
amendments) to this Registration Statement, and to file the same with all
exhibits thereto, and other documents in connection therewith, with the
Securities and Exchange Commission, granting unto said attorneys-in-fact and
agents, and each of them, full power and authority to do and perform each and
every act and thing requisite and necessary to be done in and about the
premises, as fully to all intents and purposes as he might or could do in
person, hereby ratifying and confirming all that said attorneys-in-fact and
agents, or either of them, or their or his substitute or substitutes, may
lawfully do or cause to be done by virtue hereof.


                                     - 4 -
<PAGE>   32



         Pursuant to the requirements of the Securities Act of 1933, this
registration statement has been signed below by the following persons in the
capacities indicated on January 9, 1998. 

<TABLE>
<CAPTION>

                SIGNATURE                                                     TITLE
                ---------                                                     -----

<S>                                                            <C>
               /s/ Jack J. Luchese                             Director, President and Chief Executive Officer
- --------------------------------------------------------       (Principal Executive Officer)  
                Jack J. Luchese                               


                /s/ Jack L Bowman                              Director
- --------------------------------------------------------
                Jack L. Bowman


            /s/ Raymond C. Carnahan, Jr.                       Director
- --------------------------------------------------------
              Raymond C. Carnahan, Jr.


                   /s/ Max Link                                Director
- --------------------------------------------------------
                     Max Link


             /s/ Herbert H. McDade, Jr.                        Director
- --------------------------------------------------------
              Herbert H. McDade, Jr.
</TABLE>


                                     - 5 -

<PAGE>   1

                                                                  EXHIBIT 23.2


                        CONSENT OF INDEPENDENT AUDITORS


         We consent to the reference to our firm under the caption "Experts" in
the Registration Statement (Form S-3) and related Prospectus of CytRx
Corporation for the registration of 233,864 shares of its common stock and to
the incorporation by reference therein of our report dated February 19, 1997
with respect to the consolidated financial statements of CytRx Corporation
incorporated by reference in its Annual Report (Form 10-K/A) and the related
financial statement schedule included therein for the year ended December 31,
1996 filed with the Securities and Exchange Commission.

                                                           ERNST & YOUNG LLP

                                                           January 8, 1998


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