VIVUS INC
10-Q, 1997-08-05
SURGICAL & MEDICAL INSTRUMENTS & APPARATUS
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<PAGE>   1
 
================================================================================
 
                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
 
                            ------------------------
 
                                   FORM 10-Q
 
[X]   QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE
      SECURITIES EXCHANGE ACT OF 1934
 
                  FOR THE QUARTERLY PERIOD ENDED JUNE 30, 1997
 
                                       OR
 
[ ]   TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE
      SECURITIES EXCHANGE ACT OF 1934
 
                         FOR THE TRANSITION PERIOD FROM
                               --------------- TO
                                ---------------
 
                        COMMISSION FILE NUMBER: 0-23490
 
                                  VIVUS, INC.
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)
 
<TABLE>
<S>                                           <C>
                   DELAWARE                                     94-3136179
       (STATE OR OTHER JURISDICTION OF                       (I.R.S. EMPLOYER
        INCORPORATION OR ORGANIZATION)                    IDENTIFICATION NUMBER)
</TABLE>
 
              545 MIDDLEFIELD ROAD, SUITE 200 MENLO PARK, CA 94025
         (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)            (ZIP CODE)
 
                                 (415) 325-5511
              (REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE)
 
                                      N/A
   (FORMER NAME, FORMER ADDRESS AND FORMER FISCAL YEAR, IF CHANGED SINCE LAST
                                    REPORT)
 
     Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days.  Yes [X]     No [ ]
 
     At July 31, 1997, 33,125,712 shares of common stock were outstanding.
 
                           Exhibit index on page 21.
 
================================================================================
<PAGE>   2
 
                         PART I. FINANCIAL INFORMATION
 
ITEM 1. FINANCIAL STATEMENTS
 
                                  VIVUS, INC.
 
                CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
                    (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
                                  (UNAUDITED)
 
<TABLE>
<CAPTION>
                                                    THREE MONTHS ENDED         SIX MONTHS ENDED
                                                         JUNE 30,                  JUNE 30,
                                                    -------------------       -------------------
                                                     1997        1996          1997        1996
                                                    -------     -------       -------     -------
<S>                                                 <C>         <C>           <C>         <C>
Net product sales...............................    $33,458     $    --       $61,249     $    --
Milestone revenue...............................         --      10,000         5,000      10,000
                                                    -------     -------       -------     -------
          Net revenues..........................     33,458      10,000        66,249      10,000
Cost of goods sold..............................      9,584          --        17,650          --
                                                    -------     -------       -------     -------
Gross margin....................................     23,874      10,000        48,599      10,000
                                                    -------     -------       -------     -------
Operating expenses:
  Research and development......................      1,940      12,187         3,967      17,545
  Selling, general and administrative...........     11,258       2,004        23,067       3,383
                                                    -------     -------       -------     -------
          Total operating expenses..............     13,198      14,191        27,034      20,928
                                                    -------     -------       -------     -------
Income (loss) from operations...................     10,676      (4,191)       21,565     (10,928)
Interest income.................................      1,264         446         2,385         949
                                                    -------     -------       -------     -------
          Income (loss) before taxes............     11,940      (3,745)       23,950      (9,979)
Income taxes....................................      1,982          --         4,438          --
                                                    -------     -------       -------     -------
          Net income (loss).....................    $ 9,958     $(3,745)      $19,512     $(9,979)
                                                    =======     =======       =======     =======
Net income (loss) per common and equivalent
  share.........................................    $  0.28     $ (0.13)(1)   $  0.55(1)  $ (0.35)(1)
                                                    =======     =======       =======     =======
Shares used in the computation of net income
  (loss) per share..............................     35,579      28,448(1)     35,626(1)   28,200(1)
                                                    =======     =======       =======     =======
</TABLE>
 
- ---------------
 
(1) Share and per share amounts have been adjusted to reflect the 2 for 1 stock
    split which occurred in the second quarter of 1997.
 
                                        2
<PAGE>   3
 
                                  VIVUS, INC.
 
                     CONDENSED CONSOLIDATED BALANCE SHEETS
                       (IN THOUSANDS, EXCEPT SHARE DATA)
 
                                     ASSETS
 
<TABLE>
<CAPTION>
                                                                                     
                                                                                     
                                                                         JUNE 30,     DECEMBER 31,
                                                                           1997           1996
                                                                        -----------   ------------
                                                                        (UNAUDITED)
<S>                                                                     <C>           <C>
Current assets:
  Cash............................................................       $   2,076      $    555
  Available-for-sale securities...................................          78,850        60,710
  Trade and other receivables.....................................          14,411           748
  Inventories.....................................................           5,180         4,540
  Prepaid expenses and other......................................             757           587
                                                                          --------       -------
          Total current assets....................................         101,274        67,140
Property & equipment..............................................          16,279         6,332
Available-for-sale securities, non-current........................          14,423        23,060
                                                                          --------       -------
          Total...................................................       $ 131,976      $ 96,532
                                                                          ========       =======
 
                               LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
  Accounts payable................................................       $   6,344      $  3,324
  Accrued and other liabilities...................................          17,431         3,428
                                                                          --------       -------
          Total current liabilities...............................          23,775         6,752
                                                                          --------       -------
Stockholders' equity:
  Common stock; $.001 par value; shares authorized 200,000,000;
     shares outstanding -- June 30, 1997, 33,035,116; December 31,
     1996, 32,454,340 (1);........................................              33            32
  Paid in capital.................................................         158,374       156,173
  Less treasury stock, at cost; 151,000 shares at June 30, 1997;
     none at December 31, 1996....................................          (3,401)           --
  Unrealized gain (loss) on securities............................             (16)           77
  Deferred compensation...........................................            (147)         (348)
  Accumulated deficit.............................................         (46,642)      (66,154)
                                                                          --------       -------
          Total stockholders' equity..............................         108,201        89,780
                                                                          --------       -------
          Total...................................................       $ 131,976      $ 96,532
                                                                          ========       =======
</TABLE>
 
- ---------------
(1) Prior period shares have been adjusted to reflect the 2 for 1 stock split
    which occurred in the second quarter of 1977.
 
                                        3
<PAGE>   4
 
                                  VIVUS, INC.
 
                CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
                           (UNAUDITED, IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                                            SIX MONTHS ENDED
                                                                                JUNE 30,
                                                                      ----------------------------
                                                                         1997             1996
                                                                      -----------     ------------
<S>                                                                   <C>             <C>
CASH FLOWS FROM OPERATING ACTIVITIES:
  Net income (loss)...............................................     $  19,512        $ (9,980)
  Adjustments to reconcile net income (loss) to net cash provided
     by (used for) operating activities:
     Depreciation and amortization................................           892             477
     Amortization of deferred compensation........................           201             221
     Issuance of common stock for patent rights...................            --           5,821
     Changes in assets and liabilities:
       Receivables................................................       (13,663)           (169)
       Inventories................................................          (640)             --
       Prepaid expenses and other.................................          (170)           (164)
       Accounts payable...........................................         3,020             363
       Accrued and other liabilities..............................        14,003             754
                                                                         -------         -------
          Net cash provided by (used for) operating activities....        23,155          (2,677)
                                                                         -------         -------
CASH FLOWS FROM INVESTING ACTIVITIES:
  Property purchases..............................................       (10,839)         (1,264)
  Securities purchases............................................      (133,303)        (69,402)
  Proceeds from sale/maturity of securities.......................       123,707          22,770
                                                                         -------         -------
          Net cash used by investing activities...................       (20,435)        (47,896)
                                                                         -------         -------
CASH FLOWS FROM FINANCING ACTIVITIES:
  Exercise of common stock options................................         2,029             494
  Purchase of common stock through employee stock purchase plan...           173             104
  Repurchase of common stock through buybacks.....................        (3,401)             --
                                                                         -------         -------
          Net cash provided by (used for) financing activities....        (1,199)            598
                                                                         -------         -------
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS..............         1,521            (177)
Cash and Cash Equivalents:
  Beginning of period.............................................           555             973
                                                                         -------         -------
  End of period...................................................     $   2,076        $    796
                                                                         =======         =======
NON-CASH INVESTING AND FINANCING ACTIVITIES:
  Unrealized loss on securities...................................     $     (93)       $   (217)
</TABLE>
 
                                        4
<PAGE>   5
 
                                  VIVUS, INC.
 
              NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
                                 JUNE 30, 1997
 
 1. BASIS OF PRESENTATION
 
     The accompanying unaudited condensed consolidated financial statements have
been prepared in accordance with generally accepted accounting principles for
interim financial information and with the instructions to Form 10-Q and Article
10 of Regulations S-X. Accordingly, they do not include all of the information
and footnotes required by generally accepted accounting principles for complete
financial statements. In the opinion of management, all adjustments (consisting
of normal recurring adjustments) considered necessary for a fair presentation
have been included. Operating results for the three month and six month periods
ended June 30, 1997 are not necessarily indicative of the results that may be
expected for the year ending December 31, 1997. For further information, refer
to the financial statements and footnotes thereto included in the Company's
Annual Report on Form 10-K for the year ended December 31, 1996.
 
 2. PROVISION FOR INCOME TAXES
 
     The Company's effective tax rate was 18.5 percent of income before taxes
for the six months ended June 30, 1997. This tax rate includes the effect of net
operating losses (NOLs) carried forward from prior periods. The tax rate would
have been substantially higher if the NOLs were not available to offset current
income. The Company expects to fully utilize all NOLs during 1997, and
accordingly, the Company's effective tax rate is expected to increase in the
future.
 
 3. NET INCOME (LOSS) PER SHARE
 
     For the three months and six months ended June 30, 1997, net income per
common and equivalent share is based on the weighted average number of common
and equivalent shares outstanding during the period, including outstanding
options and warrants. Such options and warrants are excluded from the net loss
per common and equivalent shares for the three and six months ended June 30,
1996 because they are antidilutive. Share and per share amounts have been
calculated based on post-split shares resulting from the two-for-one stock split
effective June 23, 1997.
 
 4. IMPACT OF NEW ACCOUNTING PRONOUNCEMENT
 
     The Company will adopt SFAS No. 128, "Earnings per Share," effective
December 15, 1997 for the year ending December 31, 1997. This Statement cannot
be applied before December 15, 1997. It requires that all earnings-per-share
data for prior periods presented be restated to conform with the new statement.
Had the new pronouncement been in effect for the periods presented,
earnings-per-share would have been as follows:
 
<TABLE>
<CAPTION>
                                                        THREE MONTHS         SIX MONTHS
                                                        ENDED JUNE 30,      ENDED JUNE 30,
                                                        --------------      --------------
                                                        1997    1996        1997    1996
                                                        ----    -----       ----    -----
        <S>                                             <C>     <C>         <C>     <C>
        Basic Earnings-per-share......................  0.30    (0.14)      0.59    (0.35)
        Diluted Earnings-per-share....................  0.28    (0.14)      0.55    (0.35)
</TABLE>
 
                                        5
<PAGE>   6
 
ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
        OF OPERATIONS
 
DESCRIPTION OF BUSINESS
 
     VIVUS, Inc. ("VIVUS" or the "Company") is a leading developer of advanced
therapeutic systems for the treatment of erectile dysfunction. Erectile
dysfunction, commonly referred to as impotence, is the inability to achieve and
maintain an erection of sufficient rigidity for sexual intercourse. The
Company's transurethral system for erection is a non-invasive, easy to use
system that delivers pharmacologic agents topically to the urethral lining. In
November 1996, the Company obtained regulatory marketing clearance from the U.S.
Food and Drug Administration (the "FDA") to manufacture and market its first
product, MUSE(R) (alprostadil). The Company commenced product shipments to
wholesalers in December 1996 and commercially introduced MUSE (alprostadil) in
the United States through its direct sales force beginning in January 1997. In
addition, the Company submitted applications for regulatory approval to market
MUSE (alprostadil) in the United Kingdom and Sweden in 1996; Norway in January
1997; China, Australia and New Zealand in April 1997 and Canada and Switzerland
in May 1997. These applications will be subject to rigorous approval processes,
and there can be no assurance such approval will be granted in a timely manner,
if at all. Furthermore, the Company received FDA clearance in December 1996 for
ACTIS(R), an adjustable elastomeric venous flow control device designed for
those patients who suffer from veno-occlusive dysfunction (commonly referred to
as venous leak syndrome). The Company commenced commercial sales of ACTIS in
July 1997. ACTIS is currently being studied for adjunctive use with MUSE
(alprostadil), however, there can be no assurance that such studies will
demonstrate that adjunctive use of ACTIS with MUSE (alprostadil) is an effective
treatment for erectile dysfunction.
 
     The Company has limited experience in manufacturing and selling MUSE
(alprostadil) in commercial quantities. Since the commercial launch of MUSE
(alprostadil) in January 1997, the Company has experienced product shortages due
to higher than expected demand and difficulties encountered in scaling up
production of MUSE (alprostadil) The Company has initiated the build out of
90,000 square feet of additional manufacturing space and it is currently seeking
a location for construction of a European manufacturing operation. If the
Company encounters further difficulties with its current manufacturing facility
or delays in completion or regulatory approval of its new manufacturing
facility, capacity constraints could continue for an extended period of time,
which would have a material adverse effect on the Company's business, financial
condition and results of operations.
 
     The Company's New Jersey manufacturing facility at Paco Pharmaceutical
Services Inc. was inspected by the FDA for the first time after the preapproval
inspection during twelve days in February and March 1997. That inspection
resulted in the issuance by the FDA of an extensive FDA Form 483, which detailed
specific areas where the FDA inspector observed that the Company's operations
were not in full compliance with some areas of the cGMP regulations. A
corrective action plan addressing all identified cGMP deficiencies was initiated
immediately, and the Company submitted a written response to the FDA Form 483
and requested a meeting with the FDA district office officials to address the
matter. Approximately 30 days after submitting the initial written response, the
Company provided the FDA with a written update of the progress made against the
corrective action plan. The Company provided an additional written response to
comments and questions from the FDA in April and May 1997. Following a meeting
with FDA officials on May 23, 1997, the FDA issued a Warning Letter to the
Company on May 29, 1997 reiterating the deficiencies noted in the earlier FDA
Form 483. The Warning Letter acknowledged that the responses submitted by the
Company had been evaluated and "appear satisfactory," subject to reinspection.
On June 20, 1997, the Company requested that the FDA reinspect its manufacturing
facility in New Jersey. To date, the FDA has not scheduled its reinspection.
 
     The scope of any FDA reinspection is likely to be more comprehensive than
the initial inspection. Failure to adequately address cGMP deficiencies within a
reasonable time frame would have an adverse effect on the Company's ability to
supply its product in the US and internationally, which would have a material
adverse effect on the Company's business, financial condition and results of
operations. Accordingly, the Company has undertaken a complete review of its
compliance with cGMP regulations. However, there can be no assurance
 
                                        6
<PAGE>   7
 
that the FDA will deem the Company's corrective action to be adequate or that
additional corrective action, in areas not addressed by the FDA Form 483, will
not be required. Failure to achieve satisfactory cGMP compliance upon
reinspection would have a material adverse effect on the Company's ability to
continue to market and distribute its products and, in the most serious cases,
could result in the issuance of additional Warning Letters, seizure or recall of
products, civil fines or closure of the Company's New Jersey manufacturing
facility until cGMP compliance is achieved.
 
     In May 1996, the Company entered into an international marketing agreement
with Astra AB ("Astra"). Astra will purchase the Company's products for resale
in Europe, South America, Central America, Australia and New Zealand. As
consideration for execution of the international marketing agreement, Astra paid
the Company $10 million in June 1996. In September 1996, the Company received a
$10 million milestone payment from Astra as a result of filing an application
for marketing authorization for MUSE (alprostadil) in the United Kingdom. The
Company will be paid up to an additional $10 million in the event certain other
milestones are achieved. However, there can be no assurance that such milestones
will be achieved.
 
     In January 1997, the Company entered into an international marketing
agreement with Janssen Pharmaceutica International ("Janssen"), a subsidiary of
Johnson & Johnson. Janssen will purchase the Company's products for resale in
China, multiple Pacific Rim countries (excluding Japan), Canada, Mexico and
South Africa. As consideration for execution of the international marketing
agreement, Janssen paid the Company $5 million in January 1997. The Company will
receive additional payments in the event certain other milestones are achieved.
However, there can be no assurance that such milestones will be achieved.
 
     The Company has sought and will continue to seek additional pharmacologic
agents for the treatment of erectile dysfunction that are suitable for
transurethral delivery for which significant safety data already exists. The
Company believes that such agents may progress rapidly through clinical
development and the regulatory process due to the preexisting safety data. The
Company expects to begin a Phase III multi-center trial in 1997 for its second
product candidate, a combination of alprostadil and prazosin delivered via the
Company's transurethral system for erection. The Company has several other
product candidates in preclinical development.
 
     Based on a published study of more than 1,200 men in Massachusetts, the
Company estimates that more than 30% of males in the United States between the
ages of 40 and 70 suffer from moderate to complete erectile dysfunction. The
Company believes that similar rates of erectile dysfunction prevail outside the
United States. An estimate from the National Institute of Health ("NIH")
Consensus Statement on Impotence (1992) suggests that the number of men in the
United States with erectile dysfunction may be 10 to 20 million. The rate of
erectile dysfunction increases significantly with age. In addition to the
Company's transurethral system for erection, the primary medical therapies
currently used to treat erectile dysfunction are needle injection of
pharmacologic agents into the penis, vacuum constriction devices, penile
implants and oral medications. Despite the detrimental effect erectile
dysfunction may have on a couple's quality of life, the Company believes that,
due in part to the limitations of other therapies, less than 10% of men
suffering from erectile dysfunction received medical treatment prior to the
introduction of MUSE (alprostadil). The Company believes that MUSE (alprostadil)
could become a first line therapy for erectile dysfunction.
 
RESULTS OF OPERATIONS
 
     THREE AND SIX MONTHS ENDED JUNE 30, 1997 AND 1996
 
     Product revenues of $33,458,000 and $61,249,000 were recorded for the three
months and six months ended June 30, 1997 respectively, compared to zero for
each of the same periods in 1996. All product revenue was the result of the
commercial launch of Muse (alprostadil) in 1997. Product revenue for the six
months period includes $2,636,000 for product shipped in December of 1996; these
shipments were made to initially stock wholesalers and were allowed one-time
extended rights-of-return which expired during the six months ended June 30,
1997.
 
                                        7
<PAGE>   8
 
     As consideration for execution of the Janssen marketing agreement, Janssen
paid the Company $5 million in January 1997. The Company recorded this receipt
as milestone revenue in the condensed consolidated statement of operations.
 
     Cost of goods sold were $9,584,000 and $17,650,000 in the three and six
months ended June 30, 1997. Cost of Goods Sold were zero for the same periods in
1996 as there were no product sales.
 
     The resulting product gross margin for the three and six months ended June
30, 1997 was 71%.
 
     For the three months ended June 30, 1997, research and development expenses
were $1,940,000 compared with $12,187,000 for the three months ended June 30,
1996, a decrease of 84%. For the six months ended June 30, 1997, research and
development expenses were $3,967,000, compared with $17,545,000 for the six
months ended June 30, 1996, a decrease of 77%. Research and development expenses
were less than the same periods in 1996 due primarily to a $5.9 million charge
incurred as the result of issuing 200,000 pre-split shares of Common Stock in
May 1996 to ALZA Corporation to maintain exclusive rights to certain patents and
patent applications beyond 1998, as well as higher pre-launch manufacturing, and
clinical and regulatory costs in 1996 associated with the preparation and filing
of the Company's New Drug Application for MUSE (alprostadil).
 
     Selling, general and administrative expenses for the three months ended
June 30, 1997 were $11,258,000 compared with $2,004,000 for the three months
ended June 30, 1996, an increase of 462%. For six months ended June 30, 1997,
selling, general and administrative expenses were $23,067,000 compared with
$3,383,000 for six months ended June 30, 1996, an increase of 582%. The increase
compared with the same periods in 1996 resulted primarily from the addition of a
fifty person field sales force, higher marketing expenses and the costs
associated with adding personnel to support the growth of the Company's
operations and the commercial launch of MUSE (alprostadil)
 
     Spending levels will likely continue to increase during 1997 as the Company
further develops its commercial manufacturing, marketing and sales capabilities.
 
     Interest income for the three months ended June 30, 1997 was $1,264,000
compared with $446,000 for the three months ended June 30, 1996, an increase of
183%. For six months ended June 30, 1997, interest income was $2,385,000
compared with $949,000 for six months ended June 30, 1996, an increase of 151%.
The increases were primarily the result of higher average invested balances. As
a result of the Company's anticipated additional costs, interest income is
expected to decrease in the future as cash balances decrease.
 
     Income taxes for the three months ended June 30, 1997 were $1,982,000,
approximately 16.6% of income before taxes, compared with zero for the three
months ended June 30, 1996. For six months ended June 30, 1997, income taxes
were $4,438,000, approximately 18.5% of income before taxes, compared with zero
for the six months ended June 30, 1996. The increase is due to the increase in
taxable income as a result of increased revenue from product sales. The 1997 tax
rate includes the effect of net operating losses (NOLs) carried forward from
prior periods. The tax rate would have been substantially higher if the NOLs
were not available to offset current income. The Company expects to fully
utilize all NOLs during 1997, and accordingly, the Company's effective tax rate
is expected to increase in the future.
 
LIQUIDITY AND CAPITAL RESOURCES
 
     Since inception, the Company has financed operations primarily from the
sale of preferred and common stock. Through June 30, 1997, VIVUS has raised
$149,796,000 from financing activities. Cash, cash equivalents and securities
available-for-sale totaled $95,349,000 at June 30, 1997 compared with
$84,325,000 at December 31, 1996. The increase in cash, cash equivalents and
securities available-for-sale is primarily a result of accounts receivable
collections, partially off-set by operating and capital disbursements and stock
repurchases. The Company maintains its current excess cash balances in a variety
of interest bearing investment-grade financial investments such as United States
treasury, federal agency and state government securities, repurchase agreements,
corporate debt and bank certificates of deposit. Principal preservation,
liquidity and safety are the primary investment objectives.
 
                                        8
<PAGE>   9
 
     Cash flow from operations in the six months ended June 30, 1997 was
$23,155,000 compared with cash used of $2,677,000 in the six months ended June
30, 1996. The increased cash provided by operations was primarily due to net
income of $19,512,000.
 
     Trade and other receivables at June 30, 1997 were $14,411,000 compared with
$748,000 at December 31, 1996, an increase of $13,663,000. The increase
primarily resulted from the increase in trade receivables resulting from sales
of MUSE (alprostadil).
 
     Current liabilities were $23,775,000 at June 30, 1997 compared with
$6,752,000 at December 31, 1996, an increase of $17,023,000. The increase was
related primarily to an increase in manufacturing and facilities expenditures,
as well as accrued income taxes, incentive compensation, and accrued royalties.
 
     Capital expenditures in the six months ended June 30, 1997 were $10,839,000
compared with $1,264,000 for the same period ended June 30, 1996. Capital
expenditures during the period in 1996 consisted primarily of manufacturing and
quality control equipment. Capital expenditures were higher in 1997 due to the
purchase of additional manufacturing equipment for use at the Company's
dedicated manufacturing operation within the Paco Pharmaceutical Services, Inc.
("Paco") facility in Lakewood, New Jersey, and the construction of the new
manufacturing facility, also in Lakewood. Capital expenditures over the next two
years are likely to increase as they are expected to include additional
improvements in the current manufacturing facilities, completion of the new
manufacturing facility in New Jersey, a new manufacturing facility in Europe,
and a new corporate headquarters and a research and development laboratory
facility in the United States.
 
     The Company expects to incur substantial additional costs, including
expenses related to its second manufacturing facility in the United States and
one in Europe, new product preclinical and clinical costs, ongoing research and
development activities, and general corporate purposes. The Company anticipates
that its existing capital resources will be sufficient to support the Company's
operations through the commercial introduction of MUSE (alprostadil) in Europe,
but may not be sufficient for the introduction of any additional future
products. The Company anticipates that it may be required to issue additional
equity or debt securities and may use other financing sources including, but not
limited to, corporate alliances and lease financings to fund the future
development and possible commercial launch of its products. The sale of
additional equity securities would result in additional dilution to the
Company's stockholders. There can be no assurance that such funds will be
available on terms satisfactory to the Company, or at all. Failure to obtain
adequate funding could cause a delay or cessation of the Company's product
development and marketing efforts and would have a material adverse effect upon
the Company's business, financial condition and results of operations. The
Company's working capital and additional funding requirements will depend upon
numerous factors, including: (i) the level of resources that the Company devotes
to sales and marketing capabilities; (ii) the level of resources that the
Company devotes to expanding manufacturing capacity; (iii) the activities of
competitors; (iv) the progress of the Company's research and development
programs; (v) the timing and results of preclinical testing and clinical trials;
(vi) technological advances; and (vii) continued profitability.
 
     The Results of Operations and Liquidity and Capital Resources sections
contain forward-looking statements within the meaning of Section 27A of the
Securities Act of 1993, as amended, and Section 21E of the Securities and
Exchange Act of 1934, as amended. Actual results could differ materially from
those projected in the forward-looking statements as a result of the factors set
forth in this Liquidity and Capital Resources section, the Risk Factors section,
the Results of Operations section and the Description of Business section. The
discussion of those factors is incorporated herein by this reference as if said
discussion was fully set forth at this point.
 
                                        9
<PAGE>   10
 
     This Quarterly Report on Form 10-Q contains forward looking statements that
involve risks and uncertainties. The Company's actual results could differ from
those set forth in such forward looking statements as a result of certain
factors, including those set forth in this Risk Factors section.
 
                                  RISK FACTORS
 
LIMITED MANUFACTURING EXPERIENCE; CAPACITY CONSTRAINTS
 
     The Company has only limited experience in manufacturing MUSE (alprostadil)
in commercial quantities. Since the commercial launch of MUSE (alprostadil) in
January 1997, the Company has experienced product shortages due to higher than
expected demand and difficulties encountered in scaling up production of MUSE
(alprostadil). The Company has initiated the build out of 90,000 square feet of
additional manufacturing space in New Jersey, and it is currently seeking a
location for construction of a European manufacturing operation. The Company
anticipates it will complete construction of the new facility by the end of
1997. However, construction of a cGMP compliant manufacturing site of this scale
is a very complicated task, and the Company may not be able to meet this
schedule. In addition, before the new facility can produce commercial product,
the Company must validate the plant and obtain FDA approval. There is no
assurance validation and FDA approval will be completed and obtained in a timely
manner. If the Company encounters further difficulties with its current
manufacturing facility or delays in completion or approval of its new
manufacturing facility, capacity constraints could continue for an extended
period. Such extended capacity constraints could create the need for product
allocations between domestic and international markets and further increase the
order backlog following the launch of MUSE (alprostadil) outside of the United
States, strain relationships with distribution partners, and possibly cause
patients to seek alternative therapies. Such events could have a material
adverse effect upon the business, financial condition and operating results of
the Company.
 
     The formulation, filling, packaging and testing of MUSE (alprostadil) is
performed by Paco Pharmaceutical Services, Inc. ("Paco"), a wholly-owned
subsidiary of The West Company, at its facility in Lakewood, New Jersey. In June
1995, the Company completed construction of its approximately 6,000 square feet
manufacturing and testing space within Paco's facility. Due to higher than
expected demand, the Company has leased two adjacent buildings in New Jersey,
totaling 90,000 square feet, that will be built out to support expansion of the
Company's manufacturing capabilities. Until the Company develops an in-house
manufacturing capability, it will be entirely dependent upon Paco for the
manufacture of its products. There can be no assurance that the Company's
reliance on Paco for the manufacture of its products will not result in problems
with product supply, and there can be no assurance that the Company will be able
to establish a second manufacturing facility. Interruptions in the availability
of products could limit further development and commercial marketing of MUSE
(alprostadil) and other potential products and would have a material adverse
effect on the Company's business, financial condition and results of operations.
 
     The Company and its third party contract manufacturers, including
manufacturers of materials and components, are subject to routine periodic
inspections by the FDA and certain state and foreign regulatory agencies for
compliance with cGMP and other applicable regulations. The FDA stringently
applies regulatory standards for manufacturing. The Company's third party
contract manufacturers were inspected for compliance with cGMP regulations as
part of the approval process. However, upon routine re-inspection of its
contract manufacturers, there can be no assurance that the FDA will find the
manufacturing process or facilities to be in compliance with cGMP and other
regulations. Failure to achieve satisfactory compliance with cGMP regulations as
confirmed by routine regulatory inspections would have a significant adverse
effect on the Company's ability to continue to manufacture and distribute its
products and, in the most serious cases, result in the issuance of a regulatory
warning letter or seizure or recall of products, injunction and/or civil fines.
 
     The Company's New Jersey manufacturing facility at Paco Pharmaceutical
Services Inc. was inspected by the FDA for the first time after the preapproval
inspection during twelve days in February and March 1997. That inspection
resulted in the issuance by the FDA of an extensive FDA Form 483, which detailed
specific
 
                                       10
<PAGE>   11
 
areas where the FDA inspector observed that the Company's operations were not in
full compliance with some areas of the cGMP regulations. A corrective action
plan addressing all identified cGMP deficiencies was initiated immediately, and
the Company submitted a written response to the FDA Form 483 and requested a
meeting with the FDA district office officials to address the matter.
Approximately 30 days after submitting the initial written response, the Company
provided the FDA with a written update of the progress made against the
corrective action plan. The Company provided an additional written response to
comments and questions from the FDA in April and May, 1997. Following a meeting
with FDA officials on May 23, 1997, the FDA issued a Warning Letter to the
Company on May 29, 1997 reiterating the deficiencies noted in the earlier FDA
Form 483. The Warning Letter acknowledged that the responses submitted by the
Company had been evaluated and "appear satisfactory," subject to reinspection.
On June 20, 1997, the Company requested that the FDA reinspect its manufacturing
facility in New Jersey.
 
     To date, the FDA has not scheduled its reinspection. The scope of any FDA
reinspection is likely to be more comprehensive than the initial inspection.
Failure to adequately address cGMP deficiencies within a reasonable time frame
would have an adverse effect on the Company's ability to supply its product in
the US and internationally, which would have a material adverse effect on the
Company's business, financial condition and results of operations. Accordingly,
the Company has undertaken a complete review of its cGMP compliance. However,
there can be no assurance that the FDA will deem the Company's corrective action
to be adequate or that additional corrective action, in areas not addressed by
the FDA Form 483, will not be required. Failure to achieve satisfactory cGMP
compliance upon reinspection would have a material adverse effect on the
Company's ability to continue to market and distribute its products and, in the
most serious cases, could result in the issuance of additional Warning Letters,
seizure or recall of products, civil fines or closure of the Company's New
Jersey manufacturing facility until cGMP compliance is achieved.
 
LIMITED SALES AND MARKETING EXPERIENCE; DEPENDENCE ON THIRD PARTIES
 
     Before commercially launching its first product, MUSE (alprostadil), in
January 1997, the Company had no experience in the sale, marketing or
distribution of pharmaceutical products. The Company is marketing and selling
its products initially through a direct sales force in the United States. There
can be no assurance that the Company's domestic sales and marketing efforts will
be successful.
 
     In February 1996, the Company entered into a distribution agreement with
CORD Logistics, Inc. ("CORD"), a wholly owned subsidiary of Cardinal Health,
Inc. Under this agreement, CORD warehouses the Company's finished goods, takes
customer orders, picks, packs and ships its product, invoices customers and
collects related receivables. As a result of this distribution agreement with
CORD, the Company is heavily dependent on CORD's efforts to fulfill orders and
warehouse its products effectively. There can be no assurance such efforts will
be successful.
 
     In May 1996, the Company entered into an international marketing agreement
with Astra to purchase the Company's products for resale in Europe, South
America, Central America, Australia and New Zealand. As consideration for
execution of the international marketing agreement, Astra paid the Company $10
million in June 1996. In September 1996, the Company received a $10 million
milestone payment from Astra as a result of filing an application for marketing
authorization for MUSE (alprostadil) in the United Kingdom. The Company will be
paid up to an additional $10 million in the event certain other milestones are
achieved. However, there can be no assurance that such milestones will be
achieved. The marketing agreement does not have minimum purchase commitments,
and Astra may take up to twelve months to introduce a product in a given country
following regulatory approval in such country. As a result of this marketing
agreement with Astra, the Company is dependent on Astra's efforts to market,
distribute and sell the Company's products effectively in the above mentioned
markets. There can be no assurance that such efforts will be successful.
 
     In July 1996, the Company entered into a distribution agreement with ASD, a
subsidiary of Bergen Brunswig Corporation. ASD provides "direct-to-physician"
distribution, telemarketing and customer service capabilities in support of the
U.S. marketing and sales efforts. Pursuant to the terms of this agreement, ASD
developed a customer service organization to respond to all the Company's sales
representative and physician inquiries. As a result of this distribution
agreement with ASD, the Company is dependent on ASD's efforts to
 
                                       11
<PAGE>   12
 
distribute, telemarket, and provide customer service effectively. There can be
no assurance that such efforts will be successful.
 
     In January 1997, the Company signed an international marketing agreement
with Janssen, a subsidiary of Johnson & Johnson. Janssen will purchase the
Company's products for resale in China, multiple Pacific Rim countries
(excluding Japan), Canada, Mexico and South Africa. As consideration for
execution of the international marketing agreement, Janssen paid the Company $5
million in January 1997. The Company will receive additional payments in the
event certain other milestones are achieved. However, there can be no assurance
that such milestones will be achieved. As a result of this distribution
agreement with Janssen, the Company is dependent on Janssen's efforts to
distribute and sell the Company's products effectively in the above mentioned
markets. There can be no assurance that such efforts will be successful.
 
     The Company intends to market and sell its products in other foreign
markets through distribution, co-promotion or license agreements with corporate
partners. To date, the Company has entered into international marketing
agreements with Astra and Janssen. There can be no assurance that the Company
will be able to successfully enter into additional agreements with corporate
partners upon reasonable terms, if at all. To the extent that the Company enters
into distribution, co-promotion or license agreements for the sale of its
products, the Company will be dependent upon the efforts of third parties. These
third parties may have other commitments, and there can be no assurance that
they will commit the necessary resources to effectively market, distribute and
sell the Company's product.
 
DEPENDENCE ON THE COMPANY'S TRANSURETHRAL SYSTEM FOR ERECTION
 
     The Company currently relies upon a single therapeutic approach to treat
erectile dysfunction, its transurethral system for erection. Certain side
effects have been found to occur with the use of MUSE (alprostadil). Occasional
mild to moderate transient penile/perineal pain was suffered by 21% to 42% of
patients, depending on dosage, treated with MUSE (alprostadil) in the Company's
Phase II/III Dose Ranging study. Moderate to severe (i.e., syncope) decreases in
blood pressure were experienced by 1% to 4% of patients, depending on dosage
treated with MUSE (alprostadil) in such study. The existence of side effects or
dissatisfaction with product results may impact a patient's decision to use or
continue to use, or a physician's decision to recommend, MUSE (alprostadil) as a
therapy for the treatment of erectile dysfunction thereby affecting the
commercial viability of MUSE (alprostadil). In addition, technological changes
or medical advancements could diminish or eliminate the commercial viability of
the Company's products. As a result of the Company's single therapeutic approach
and its current focus on MUSE (alprostadil), the failure to successfully
commercialize such product would have an adverse effect on the Company and could
threaten the Company's ability to continue as a viable entity.
 
GOVERNMENT REGULATION AND UNCERTAINTY OF PRODUCT APPROVALS
 
     The Company's research, preclinical development, clinical trials,
manufacturing and marketing of its products are subject to extensive regulation
by numerous governmental authorities in the United States and other countries.
Clinical trials, manufacturing and marketing of the Company's products will be
subject to the rigorous testing and approval processes of the FDA and equivalent
foreign regulatory agencies. The process of obtaining FDA and other required
regulatory approvals is lengthy and expensive. The Company completed pivotal
clinical trials in 1995 and submitted an NDA for its first product, MUSE
(alprostadil), to the FDA in March 1996. In November 1996, the Company received
final marketing clearance from the FDA for MUSE (alprostadil). After regulatory
approval is obtained, the Company's products are subject to continual review.
Labeling and promotional activities are continually regulated by the FDA, and
the Company must also report certain adverse events involving its drugs to the
Agency under regulations issued by the FDA. Additionally, previously
unidentified adverse events or an increased frequency of adverse events that
occur post approval could result in labeling modifications of approved products,
which could adversely affect future marketing of a drug. In addition, the
Company submitted applications for regulatory approval to market MUSE
(alprostadil) in the United Kingdom and Sweden in 1996; Norway in January 1997;
China, Australia and New Zealand in April 1997 and Canada and Switzerland in May
1997. These applications will be subject to rigorous approval processes. There
can be no assurance that approval in these or other countries will be granted on
a timely
 
                                       12
<PAGE>   13
 
basis, if at all, or if granted, that such approval will not contain significant
limitations in the form of warnings, precautions or contraindications with
respect to conditions of use. Any delay in obtaining, or failure to obtain, such
approval would adversely affect the Company's ability to generate product
revenue.
 
     The Company's clinical trials for future products will seek safety data as
well as efficacy data and will require substantial time and significant funding.
There is no assurance that clinical trials will be completed successfully within
any specified time period, if at all. Furthermore, the FDA may suspend clinical
trials at any time if it is believed that the subjects participating in such
trials are being exposed to unacceptable health risks. There can be no assurance
that FDA or other regulatory approvals for any products developed by the Company
will be granted on a timely basis, if at all, or if granted, that such approval
will not contain significant limitations in the form of warnings, precautions or
contraindications with respect to conditions of use. Any delay in obtaining, or
failure to obtain, such approvals would adversely affect the Company's ability
to generate product revenue. Failure to comply with the applicable regulatory
requirements can, among other things, result in fines, suspensions of regulatory
approvals, product recalls, operating restrictions and criminal prosecution. In
addition, the marketing and manufacturing of pharmaceutical products are subject
to continuing FDA review, and later discovery of previously unknown problems
with a product, manufacturer or facility may result in the FDA requiring further
clinical research or restrictions on the product or the manufacturer, including
withdrawal of the product from the market. The restriction, suspension or
revocation of regulatory approvals or any other failure to comply with
regulatory requirements would have a material adverse effect on the Company's
business, financial condition and results of operations.
 
     The Company obtains the necessary raw materials and components for the
manufacture of MUSE (alprostadil) from third parties. The Company currently
contracts with contract manufacturing organizations, including foreign
manufacturers, that are required to comply with strict standards established by
the Company. All contract manufacturers are required by the Federal Food, Drug,
and Cosmetic Act, as amended, and by FDA regulations to follow cGMP regulations
and are subject to routine periodic inspections by the FDA and certain state and
foreign regulatory agencies for compliance with cGMP and other applicable
regulations. The FDA stringently applies regulatory standards for manufacturing.
The Company's third party contract manufacturers were inspected for compliance
with cGMP regulations as part of the approval process. However, upon routine
re-inspection of the manufacturing facilities, there can be no assurance that
the FDA will find the manufacturing process or facilities to be in compliance
with cGMP and other regulations. Failure to achieve satisfactory compliance with
cGMP regulations as confirmed by routine inspections could have a significant
adverse effect on the Company's ability to continue to manufacture and
distribute its products and, in the most serious case, result in the issuance of
a regulatory warning letter or seizure or recall of products, injunction and/or
civil fines.
 
     The Company's New Jersey manufacturing facility at Paco Pharmaceutical
Services Inc. was inspected by the FDA for the first time after the preapproval
inspection during twelve days in February and March 1997. That inspection
resulted in the issuance by the FDA of an extensive FDA Form 483, which detailed
specific areas where the FDA inspector observed that the Company's operations
were not in full compliance with some areas of the cGMP regulations. A
corrective action plan addressing all identified cGMP deficiencies was initiated
immediately, and the Company submitted a written response to the FDA Form 483
and requested a meeting with the FDA district office officials to address the
matter. Approximately 30 days after submitting the initial written response, the
Company provided the FDA with a written update of the progress made against the
corrective action plan. The Company provided an additional written response to
comments and questions from the FDA in April and May, 1997. Following a meeting
with FDA officials on May 23, 1997, the FDA issued a Warning Letter to the
Company on May 29, 1997 reiterating the deficiencies noted in the earlier FDA
Form 483. The Warning Letter acknowledged that the responses submitted by the
Company had been evaluated and "appear satisfactory," subject to reinspection.
On June 20, 1997, the Company requested that the FDA reinspect its manufacturing
facility in New Jersey. To date, the FDA has not rescheduled it reinspection.
 
     The scope of any FDA reinspection is likely to be more comprehensive than
the initial inspection. Failure to adequately address cGMP deficiencies within a
reasonable time frame would have an adverse effect on the Company's ability to
supply its product in the US and internationally, which would have a material
adverse
 
                                       13
<PAGE>   14
 
effect on the Company's business, financial condition and results of operations.
Accordingly, the Company has undertaken a complete review of its compliance with
cGMP regulations. However, there can be no assurance that the FDA will deem the
Company's corrective action to be adequate or that additional corrective action,
in areas not addressed by FDA Form 483, will not be required. Failure to achieve
satisfactory compliance with cGMP regulations upon reinspection could have a
material adverse effect on the Company's ability to continue to market and
distribute its products and in the most serious cases, could result in the
issuance of additional Warning Letters, seizure or recall of products, civil
fines or closure of the Company's New Jersey manufacturing facility until
compliance with cGMP regulations is achieved.
 
INTENSE COMPETITION
 
     Competition in the pharmaceutical and medical products industries is
intense and is characterized by extensive research efforts and rapid
technological progress. Certain treatments for erectile dysfunction exist, such
as needle injection therapy, vacuum constriction devices, penile implants and
oral medications, and the manufacturers of these products will continue to
improve these therapies. In July 1995, the FDA approved the use of alprostadil
in The Upjohn Company's needle injection therapy product for erectile
dysfunction. Previously, Upjohn had obtained approval in a number of European
countries. In June 1997, Schwartz Pharma announced the FDA approval of their
needle injection treatment for erectile dysfunction. Additional competitive
therapies under development include an oral medication by Pfizer, Inc., which is
currently in Phase III clinical trials. Other large pharmaceutical companies are
also actively engaged in the development of therapies for the treatment of
erectile dysfunction. These companies have substantially greater research and
development capabilities as well as substantially greater marketing, financial
and human resources than the Company. In addition, these companies have
significantly greater experience than the Company in undertaking preclinical
testing, human clinical trials and other regulatory approval procedures. There
are also small companies, academic institutions, governmental agencies and other
research organizations that are conducting research in the area of erectile
dysfunction. For instance, Zonagen, Inc. and Pentech Pharmaceutical, Inc. have
oral medications under development. These entities may also market commercial
products either on their own or through collaborative efforts. The Company's
competitors may develop technologies and products that are more effective than
those being developed by the Company. Such developments would render the
Company's products less competitive or even obsolete. The Company is also
competing with respect to marketing capabilities and manufacturing efficiencies,
areas in which it has limited experience.
 
PROPRIETARY RIGHTS AND RISK OF LITIGATION
 
     The Company's success will depend, in large part, on the strength of its
current and future patent position relating to the transurethral delivery of
pharmacologic agents for the treatment of erectile dysfunction. The Company's
patent position, like that of other pharmaceutical companies, is highly
uncertain and involves complex legal and factual questions. Claims made under
patent applications may be denied or significantly narrowed and issued patents
may not provide significant commercial protection to the Company. The Company
could incur substantial costs in proceedings before the United States Patent
Office, including interference proceedings. These proceedings could also result
in adverse decisions as to the priority of the Company's licensed or assigned
inventions. There is no assurance that the Company's patents will not be
successfully challenged or designed around by others.
 
     The Company is presently involved in an opposition proceeding that was
instigated by the Pharmedic Company against a European patent that is
exclusively licensed to VIVUS. As a result of the opposition proceedings,
certain claims in the European patent were held to be unpatentable by the
Opposition Division of the European Patent Office (EPO). These claims related to
all pharmaceutical compositions that included prostaglandin E(1). The
patentability of other claims in the patent was confirmed. These claims included
the use of active agents in the treatment of erectile dysfunction by
administration via the urethra to the corpora cavernosa, and a pharmaceutical
composition claim for prazosin. The Company appealed the EPO's decision with
respect to the pharmaceutical composition claims that were held unpatentable.
The Pharmedic Company appealed the EPO's decision with respect to the claims
that were held patentable, but has since withdrawn. Despite the withdrawal of
the Pharmedic Company from the appeals process, the Company has continued
 
                                       14
<PAGE>   15
 
with its own appeal in an attempt to reinstate the composition claims. The EPO
Appeals Board must make its own finding whether the claims that were deemed
unpatentable by the Opposition Division are indeed patentable before it can
reverse the Opposition Division's decision. There can be no assurance that the
appeal will be successful or that further challenges to the Company's European
patent will not occur should the Company try to enforce the patent in the
various European courts.
 
     There can be no assurance that the Company's products do not or will not
infringe on the patent or proprietary rights of others. The Company may be
required to obtain additional licenses to the patents, patent applications or
other proprietary rights of others. There can be no assurance that any such
licenses would be made available on terms acceptable to the Company, if at all.
If the Company does not obtain such licenses, it could encounter delays in
product introductions while attempts to design around such patents, or, the
development, manufacture or sale of products requiring such licenses could be
precluded. The Company believes there will continue to be significant litigation
in the pharmaceutical industry regarding patent or other intellectual property
rights.
 
     A former consultant to the Company has claimed that he is the inventor of
certain technology disclosed in two of the Company's patents. The former
consultant further claims that the Company and certain of its officers and
directors defrauded him by allegedly failing to inform him that they intended to
use and patent this technology and by failing to compensate him in the manner
allegedly promised. On May 28, 1996, the Company filed a complaint for
declaratory judgment against the former consultant in the United States District
Court for the Northern District of California, which seeks a declaration from
the court that the former consultant is not an inventor of any of the
technology. On July 17, 1996, the former consultant filed a lawsuit that sought
to have two of the Company's patents corrected to name him as an inventor, or in
the alternative, declared invalid on the grounds that they fail to list him as
an inventor. On September 16, 1996, the Court dismissed the consultant's
lawsuit, and ordered him to refile his claims as counterclaims in the action
initiated by the Company on May 28, 1996. The consultant filed his counterclaim
on September 26, 1996. On July 25, 1997, the Company filed motions for summary
judgment, which request that the Court enter judgment against the former
consultant on all of his claims. These motions are scheduled to be heard by the
Court on September 8, 1997. The Company has conducted a review of the
circumstances surrounding this matter and believes that the allegations are
without merit. Although the Company believes that it should prevail in the
litigation, the uncertainties inherent in litigation prevent the Company from
giving any assurances about the outcome of such litigation.
 
     In a separate matter, on April 10, 1996, the licensors in an agreement by
which the Company acquired a patent license filed a lawsuit in a Texas state
court that alleged that they were defrauded in connection with the negotiation
of the license agreement between the Company and the licensors. On May 8, 1996,
the action was removed to the United States District Court for the Western
District of Texas. In addition to monetary damages, the licensors sought to
return to the terms of an earlier superseded license agreement. This action was
settled in May 1997. Pursuant to the terms of the settlement agreement, neither
the Company nor its officers will pay any damages to plaintiffs, and the license
agreement will remain in effect.
 
DEPENDENCE ON DUAL SOURCE OF SUPPLY
 
     To date, the Company has obtained its supply of alprostadil from two
sources. The first is Spolana Chemical Works AS ("Spolana") pursuant to a
long-term supply agreement that was executed in May 1997. In January 1996, the
Company entered into a long-term alprostadil supply agreement with Chinoin.
Chinoin is the Hungarian subsidiary of the French pharmaceutical company Sanofi
Winthrop. Alprostadil, a generic drug, is extremely difficult to manufacture and
is only available to the Company from a limited number of other suppliers, none
of which currently produce it in commercial quantities. While the Company is
seeking additional sources, there can be no assurance that it will be able to
identify and qualify such sources. The Company is required to identify its
suppliers to the FDA. The FDA may require additional clinical trials or other
studies prior to accepting a new supplier. Unless the Company secures and
qualifies additional sources of alprostadil, it will be entirely dependent upon
Spolana and Chinoin for the delivery of alprostadil. If interruptions in the
supply of alprostadil were to occur for any reason, including a decision by
Spolana and/or Chinoin to discontinue manufacturing, political unrest, labor
disputes or a failure of Spolana and/or Chinoin
 
                                       15
<PAGE>   16
 
to follow regulatory guidelines, the development and commercial marketing of
MUSE (alprostadil) and other potential products could be delayed or prevented.
An interruption in the Company's supply of alprostadil would have a material
adverse effect on the Company's business, financial condition and results of
operations.
 
HISTORY OF LOSSES AND LIMITED OPERATING HISTORY
 
     The Company has generated a cumulative net loss of $46.6 million for the
period from its inception through June 30, 1997. To sustain profitability, the
Company must successfully manufacture and market MUSE (alprostadil). The Company
is subject to a number of risks including its ability to scale-up manufacturing
capabilities and secure adequate supplies of raw materials, its ability to
successfully market, distribute and sell its product, its reliance on a single
therapeutic approach to erectile dysfunction and intense competition. There can
be no assurance that the Company will be able to achieve profitability on a
sustained basis. Accordingly, there can be no assurance of the Company's future
success.
 
     The Company began generating revenues from product sales in January 1997.
The Company has limited experience in manufacturing and selling MUSE
(alprostadil) in commercial quantities. Whether the Company can successfully
manage the transition to a large scale commercial enterprise will depend upon
successful further development of its manufacturing capability and its
distribution network and attainment of foreign regulatory approvals for MUSE
(alprostadil). Failure to make such a transition successfully would have a
material adverse effect on the Company's business, financial condition and
results of operations.
 
FUTURE CAPITAL NEEDS AND UNCERTAINTY OF ADDITIONAL FINANCING
 
     The Company expects to incur substantial additional costs, including
expenses related to building its marketing and sales organization, a second
manufacturing plant in the United States and one in Europe, new product
preclinical and clinical costs, ongoing research and development activities, and
general corporate purposes. The Company anticipates that its existing capital
resources will be sufficient to support the Company's operations through
commercial introduction of MUSE (alprostadil) in Europe but may not be
sufficient for the introduction of any additional future products. Accordingly,
the Company anticipates that it may be required to issue additional equity or
debt securities and may use other financing sources including, but not limited
to, corporate alliances and lease financings to fund the future development and
possible commercial launch of its products. The sale of additional equity
securities would result in additional dilution to the Company's stockholders.
There can be no assurance that additional funds will be available on terms
satisfactory to the Company, or at all. Failure to obtain adequate funding could
cause a delay or cessation of the Company's product development and marketing
efforts and would have a material adverse effect upon the Company's business,
financial condition and results of operations. The Company's working capital and
additional funding requirements will depend upon numerous factors, including:
(i) the level of resources that the Company devotes to sales and marketing
capabilities; (ii) the level of resources that the Company devotes to expanding
manufacturing capacity; (iii) the activities of competitors; (iv) the progress
of the Company's research and development programs; (v) the timing and results
of preclinical testing and clinical trials; (vi) technological advances; and
(vii) continued profitability.
 
DEPENDENCE ON KEY PERSONNEL
 
     The Company's progress to date has been highly dependent upon the skills of
a limited number of key management personnel. To reach its future business
objectives, the Company will need to hire numerous other qualified personnel in
the areas of sales, manufacturing, clinical trial management and preclinical
testing. There can be no assurance that the Company will be able to hire such
personnel, as the Company must compete with other companies, academic
institutions, government entities and other agencies. The loss of any of the
Company's key personnel or the failure to attract or retain necessary new
employees could have an adverse effect on the Company's research, product
development and business operations.
 
                                       16
<PAGE>   17
 
RISKS RELATING TO INTERNATIONAL OPERATIONS
 
     In the event the Company receives necessary foreign regulatory approvals,
the Company plans to market its products internationally. Changes in overseas
economic and political conditions, currency exchange rates, foreign tax laws or
tariffs or other trade regulations could have a material adverse effect on the
Company's business, financial condition and results of operations. The
anticipated international nature of the Company's business is also expected to
subject it and its representatives, agents and distributors to laws and
regulations of the foreign jurisdictions in which they operate or the Company's
products are sold. The regulation of drug therapies in a number of such
jurisdictions, particularly in the European Union, continues to develop, and
there can be no assurance that new laws or regulations will not have a material
adverse effect on the Company's business, financial condition and results of
operations. In addition, the laws of certain foreign countries do not protect
the Company's intellectual property rights to the same extent as do the laws of
the United States.
 
PRODUCT LIABILITY AND AVAILABILITY OF INSURANCE
 
     The commercial launch of MUSE (alprostadil) exposes the Company to a
significant risk of product liability claims due to its availability to a large
population of patients. In addition, pharmaceutical products are subject to
heightened risk for product liability claims due to inherent side effects. The
Company details potential side effects in the patient package insert and the
physician package insert, both of which are included with MUSE (alprostadil),
and the Company maintains product liability insurance coverage. However, the
Company's product liability coverage is limited and may not be adequate to cover
potential product liability exposure. Product liability insurance is expensive,
difficult to maintain and current or increased coverage may not be available on
acceptable terms , if at all. Product liability claims brought against the
Company in excess of its insurance coverage, if any, could have a material
adverse effect upon the Company's business, financial condition and results of
operations.
 
UNCERTAINTY OF PHARMACEUTICAL PRICING AND REIMBURSEMENT
 
     In the United States and elsewhere, sales of pharmaceutical products
currently are dependent, in part, on the availability of reimbursement to the
consumer from third party payors, such as government and private insurance
plans. Third party payors are increasingly challenging the prices charged for
medical products and services. There can be no assurance that the Company's
products will be considered cost effective and that reimbursement to the
consumer will be available or sufficient to allow the Company to sell its
products on a competitive basis.
 
     In addition, certain health care providers are moving towards a managed
care system in which such providers contract to provide comprehensive health
care services, including prescription drugs, for a fixed cost per person. The
Company hopes to further qualify its transurethral system for erection for
reimbursement in the managed care environment. However, the Company is unable to
predict the reimbursement policies employed by third-party health care payors.
Furthermore, attempts at qualifying its transurethral system for erection for
reimbursement could be adversely affected by changes in reimbursement policies
of governmental or private health care payors.
 
UNCERTAINTY AND POSSIBLE NEGATIVE EFFECTS OF HEALTHCARE REFORM
 
     The healthcare industry is undergoing fundamental changes that are the
result of political, economic and regulatory influences. The levels of revenue
and profitability of pharmaceutical companies may be affected by the continuing
efforts of governmental and third party payors to contain or reduce healthcare
costs through various means. Reforms that have been and may be considered
include mandated basic healthcare benefits, controls on healthcare spending
through limitations on the increase in private health insurance premiums and
Medicare and Medicaid spending, the creation of large insurance purchasing
groups and fundamental changes to the healthcare delivery system. Due to
uncertainties regarding the outcome of healthcare reform initiatives and their
enactment and implementation, the Company cannot predict which, if any, of the
reform proposals will be adopted or the effect such adoption may have on the
Company. There can be no assurance that future
 
                                       17
<PAGE>   18
 
healthcare legislation or other changes in the administration or interpretation
of government healthcare or third-party reimbursement programs will not have a
material adverse effect on the Company. Healthcare reform is also under
consideration in some other countries.
 
CONTROL BY EXISTING STOCKHOLDERS
 
     As of July 31, 1997, the Company's executive officers and current
directors, and certain of their affiliates, beneficially owned approximately 12%
of the Company's outstanding Common Stock. Such concentration of ownership may
have the effect of delaying, defining or preventing a change in control of the
Company. Additionally, these stockholders will have significant influence over
the election of directors of the Company. This concentration of ownership may
allow significant influence and control over Board decisions and corporate
actions.
 
POTENTIAL VOLATILITY OF STOCK PRICE
 
     The stock market has recently experienced significant price and volume
fluctuations unrelated to the operating performance of particular companies. In
addition, the market price of the Company's Common Stock has been highly
volatile and is likely to continue to be so. Factors such as variations in the
Company's financial results, comments by security analysts, the Company's
ability to scale up its manufacturing capability to commercial levels, the
Company's ability to successfully sell its product in the United States and
internationally, any loss of key management, the results of the Company's
clinical trials or those of its competition, adverse regulatory actions or
decisions, announcements of technological innovations or new products by the
Company or its competition, changing governmental regulations, patents or other
proprietary rights or product or patent litigation, may have a significant
effect on the market price of the Company's Common Stock.
 
ANTI-TAKEOVER EFFECT OF SHAREHOLDER RIGHTS PLAN AND CERTAIN CHARTER AND BYLAW
PROVISIONS
 
     In February 1996, the Company's Board of Directors authorized the Company's
reincorporation in the State of Delaware (the "Reincorporation") and adopted a
Shareholder Rights Plan. The Company's reincorporation into the State of
Delaware was approved by its stockholders and effective in May 1996. The
Shareholder Rights Plan provides for a dividend distribution of one Preferred
Shares Purchase Right (a "Right") on each outstanding share of the Company's
Common Stock. The Rights will become exercisable following the tenth day after a
person or group announces acquisition of 20% or more of the Company's Common
Stock, or announces commencement of a tender offer, the consummation of which
would result in ownership by the person or group of 20% or more of the Company's
Common Stock. The Company will be entitled to redeem the Rights at $0.01 per
Right at any time on or before the tenth day following acquisition by a person
or group of 20% of more of the Company's Common Stock.
 
     The Shareholder Rights Plan and certain provisions of the Company's
Certificate of Incorporation and Bylaws may have the effect of making it more
difficult for a third party to acquire, or of discouraging a third party from
attempting to acquire, control of the Company. The Company's Certificate of
Incorporation allows the Company to issue Preferred Stock without any vote or
further action by the stockholders, and certain provisions of the Company's
Certificate of Incorporation and Bylaws eliminate the right of stockholders to
act by written consent without a meeting, specify procedures for director
nominations by stockholders and submission of other proposals for consideration
at stockholder meetings, and eliminate cumulative voting in the election of
directors. Certain provisions of Delaware law could also delay or make more
difficult a merger, tender offer or proxy contest involving the Company,
including Section 203, which prohibits a Delaware corporation from engaging in
any business combination with any interested stockholder for a period of three
years unless certain conditions are met. The Shareholder Rights Plan, the
possible issuance of Preferred Stock, the procedures required for director
nominations and stockholder proposals and Delaware law could have the effect of
delaying, deferring or preventing a change in control of the Company, including
without limitation, discouraging a proxy contest or making more difficult the
acquisition of a substantial block of the Company's Common Stock. These
provisions could also limit the price that investors might be willing to pay in
the future for shares of the Company's Common Stock.
 
                                       18
<PAGE>   19
 
                           PART II. OTHER INFORMATION
 
ITEM 1. LEGAL PROCEEDINGS
 
     A former consultant to the Company has claimed that he is the inventor of
certain technology disclosed in two of the Company's patents. The former
consultant further claims that the Company and certain of its officers and
directors defrauded him by allegedly failing to inform him that they intended to
use and patent this technology and by failing to compensate him in the manner
allegedly promised. On May 28, 1996, the Company filed a complaint for
declaratory judgment against the former consultant in the United States District
Court for the Northern District of California, which seeks a declaration from
the court that the former consultant is not an inventor of any of the
technology. On July 17, 1996, the former consultant filed a lawsuit that sought
to have two of the Company's patents corrected to name him as an inventor, or in
the alternative, declared invalid on the grounds that they fail to list him as
an inventor. On September 16, 1996, the Court dismissed the consultant's
lawsuit, and ordered him to refile his claims as counterclaims in the action
initiated by the Company on May 28, 1996. The consultant filed his counterclaim
on September 26, 1996. On July 25, 1997, the Company filed motions for summary
judgment, which request that the Court enter judgment against the former
consultant on all of his claims. These motions are scheduled to be heard by the
Court on September 8, 1997. The Company has conducted a review of the
circumstances surrounding this matter and believes that the allegations are
without merit. Although the Company believes that it should prevail in the
litigation, the uncertainties inherent in litigation prevent the Company from
giving any assurances about the outcome of such litigation.
 
     In a separate matter, on April 10, 1996, the licensors in an agreement by
which the Company acquired a patent license filed a lawsuit in a Texas state
court that alleged that they were defrauded in connection with the negotiation
of the license agreement between the Company and the licensors. On May 8, 1996,
the action was removed to the United States District Court for the Western
District of Texas. In addition to monetary damages, the licensors sought to
return to the terms of an earlier superseded license agreement. This action was
settled in May 1997. Pursuant to the terms of the settlement agreement, neither
the Company nor its officers will pay any damages to plaintiffs, and the license
agreement will remain in effect.
 
ITEM 2. CHANGES IN SECURITIES
 
     On May 22, 1997, following the Annual Stockholders' Meeting, the Company
increased its authorized Common Stock from 30 million to 200 million shares. On
June 23, 1997, the Company effected a two-for-one stock split of its outstanding
Common Stock. The stock split was originally approved by the Company's Board of
Directors on February 20, 1997, and the stockholders approved the stock split at
the annual meeting of stockholders on May 22, 1997. The stock split was
reflected in the NASDAQ National Market on June 24, 1997. Share and per share
data for all periods in this report have been adjusted to give effect to the
stock split, unless otherwise indicated.
 
ITEM 3. DEFAULTS UPON SENIOR SECURITIES
 
     None.
 
ITEM 4. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS
 
     The annual meeting of stockholders was held May 22, 1997. Matters voted on
at that meeting were: (i) the election of seven directors; (ii) the amendment of
the Certificate of Incorporation to increase the number of authorized shares of
Common Stock from 30,000,000 to 200,000,000 in order to effect a two-for-one
forward split of the Company's Common Stock; (iii) the amendment of the 1991
Incentive Stock Plan to increase the number of shares available for issuance
from 3,100,000 to 3,900,000; (iv) the amendment of the 1994 Director Option Plan
to increase the number of shares available for issuance from 100,000 to 200,000,
to increase the initial option granted to non-employee directors from 12,500 to
16,000 shares and to increase the subsequent annual options granted to
non-employee directors from 2,500 to 4,000 shares; and (v) the
 
                                       19
<PAGE>   20
 
confirmation of the appointment of Arthur Andersen LLP as independent public
accountants for the fiscal year ending December 31, 1997. Tabulation for each
proposal and individual director were as follows:
 
                       PROPOSAL I. ELECTION OF DIRECTORS
 
<TABLE>
<CAPTION>
                               DIRECTOR                        FOR         WITHHELD
            ----------------------------------------------  ----------     -------
            <S>                                             <C>            <C>
            Virgil A. Place, M.D.                           13,840,209      76,073
            Leland F. Wilson                                13,840,709      75,573
            Richard L. Casey                                13,840,609      75,673
            Samuel D. Colella                               13,840,809      75,473
            Brian H. Dovey                                  13,731,509     184,773
            Elizabeth A. Fetter                             13,838,408      77,874
            Linda Jenckes                                   13,839,501      77,173
</TABLE>
 
            PROPOSAL II.  AMENDMENT OF CERTIFICATE OF INCORPORATION
 
<TABLE>
<CAPTION>
   FOR            AGAINST        ABSTAIN       NO VOTE
- ----------       ---------       -------       -------
<S>              <C>             <C>           <C>
11,869,501       1,956,302        12,082       73,397
</TABLE>
 
           PROPOSAL III.  AMENDMENT OF THE 1991 INCENTIVE STOCK PLAN
 
<TABLE>
<CAPTION>
   FOR           AGAINST        ABSTAIN        NO VOTE
- ---------       ---------       -------       ---------
<S>             <C>             <C>           <C>
8,023,584       1,662,388        58,993       4,171,317
</TABLE>
 
            PROPOSAL IV.  AMENDMENT OF THE 1994 DIRECTOR OPTION PLAN
 
<TABLE>
<CAPTION>
   FOR          AGAINST       ABSTAIN        NO VOTE
- ---------       -------       -------       ---------
<S>             <C>           <C>           <C>
8,954,911       736,739        53,315       4,171,317
</TABLE>
 
        PROPOSAL V.  CONFIRMATION OF THE APPOINTMENT OF ARTHUR ANDERSEN
 
<TABLE>
<CAPTION>
   FOR           AGAINST       ABSTAIN        NO VOTE
- ----------       -------       -------       ---------
<S>              <C>           <C>           <C>
13,875,069        33,576        7,637           --
</TABLE>
 
ITEM 5. OTHER INFORMATION
 
     None.
 
                                       20
<PAGE>   21
 
ITEM 6. EXHIBITS AND REPORTS ON FORM 8-K
 
(a) Exhibits (in accordance with Item 601 of Regulation S-K)
 
<TABLE>
<C>            <S>
  ****3.1      Certificate of Incorporation of the Company, as currently in effect
   ###3.2      Form of Amended and Restated Certificate of Incorporation of the Company
  ****3.3      Bylaws of the Registrant, as amended
     #3.4      Certificate of Designations of Rights, Preferences and Privileges of Series
               A Participating Preferred Stock
   ###4.1      Specimen Common Stock Certificate of the Registrant
     *4.2      Registration Rights as amended
    **4.3      Form of Agreement Not to Sell by and between the Registrant and certain
               shareholders and option holders
     *4.4      Form of Preferred Stock Purchase Warrant issued by the Registrant to Invemed
               Associates, Inc., Frazier Investment Securities, L.P., and Cristina H.
               Kepner
     #4.5      Second amended and Restated Preferred Shares Rights Agreement, dated as of
               April 15, 1997 by and between VIVUS, Inc. and Harris Trust Company of
               California, including the Certificate of Determination, the form of Rights
               Certificate and the Summary of Rights attached thereto as Exhibits A, B, and
               C, respectively.
   *+10.1      Assignment Agreement by and between Alza Corporation and the Registrant
               dated December 31, 1993
   *+10.2      Memorandum of Understanding by and between Ortho Pharmaceutical Corporation
               and the Registrant dated February 25, 1992
    *10.3      Assignment Agreement by and between Ortho Pharmaceutical Corporation and the
               Registrant dated June 9, 1992
   *+10.4      License Agreement by and between Gene A. Voss M.D., Allen C. Eichler, M.D.,
               and the Registrant dated December 28, 1992
   *+10.5A     License Agreement by and between Ortho Pharmaceutical Corporation and Kjell
               Holmquist AB dated June 23, 1989
   *+10.5B     Amendment by and between Kjell Holmquist AB and the Registrant dated July 3,
               1992
    *10.5C     Amendment by and between Kjell Holmquist AB and the Registrant dated April
               22, 1992
   *+10.5D     Stock Purchase Agreement by and between Kjell Holmquist AB and the
               Registrant dated April 22, 1992
   *+10.6A     License Agreement by and between Amsu, Ltd., and Ortho Pharmaceutical
               Corporation dated June 23, 1989
   *+10.6B     Amendment by and between Amsu, Ltd., and the Registrant dated July 3, 1992
    *10.6C     Amendment by and between Amsu, Ltd., and the Registrant dated April 22, 1992
   *+10.6D     Stock Purchase Agreement by and between Amsu, Ltd., and the Registrant dated
               July 10, 1992
    *10.7      Supply Agreement by and between Paco Pharmaceutical Services, Inc., and the
               Registrant dated November 10, 1993
   *+10.8      Agreement by and among Pharmatech, Inc., Spolana Chemical Works AS, and the
               Registrant dated June 23, 1993
    *10.9      Master Services Agreement by and between the Registrant and Teknekron
               Pharmaceutical Systems dated August 9, 1993
    *10.10     Lease by and between McCandless-Triad and the Registrant dated November 23,
               1992, as amended
</TABLE>
 
                                       21
<PAGE>   22
 
<TABLE>
<C>            <S>
  ***10.11     Form of Indemnification Agreements by and among the Registrant and the
               Directors and Officers of the Registrant
   **10.12     1991 Incentive Stock Plan and Form of Agreement, as amended
    *10.13     1994 Director Option Plan and Form of Agreement
    *10.14     Form of 1994 Employee Stock Purchase Plan and Form of Subscription Agreement
    *10.15     Stock Restriction Agreement between the Company and Virgil A. Place, M.D.
               dated November 7, 1991
    *10.16     Stock Purchase Agreement between the Company and Leland F. Wilson dated June
               26, 1991, as amended
    *10.17     Letter Agreement between the Registrant and Leland F. Wilson dated June 14,
               1991 concerning severance pay
    *10.18     Letter Agreement between the Registrant and Paul Doherty dated January 26,
               1994 concerning severance pay
   **10.19     Guaranteed Maximum Price Contract by and between the Registrant and Marshall
               Contractors, Inc. dated January 27, 1995
   **10.20     Sub-lease by and among the Registrant, Argonaut Technologies, Inc.,
               ESCAgenetics Corp. and Tanklage Construction Co. dated March 13, 1995
####+10.21     Distribution Services Agreement between the Registrant and Synergy
               Logistics, Inc. (a wholly-owned subsidiary of Cardinal Health, Inc.) dated
               February 9, 1996
####+10.22     Manufacturing Agreement between the Registrant and CHINOIN Pharmaceutical
               and Chemical Works Co., Ltd. dated December 20, 1995
  ##+10.23     Distribution and Services Agreement between the Registrant and Alternate
               Site Distributors, Inc. dated July 17, 1996
*****+10.24    Distribution Agreement made as of May 29, 1996 between the Registrant and
               Astra AB
   ##10.25     Menlo McCandless Office Lease made as of August 30, 1996 by and between
               Registrant and McCandless-Triad
   ##10.26     Sublease Agreement made as of August 22, 1996 by and between Registrant and
               Plant Research Technologies
###++10.27     Distribution Agreement made as of January 22, 1997 between the Registrant
               and Janssen Pharmaceutical International, a division of Cilag AG
               International
  ###10.28     Lease Agreement made as of January 1, 1997 between the Registrant and
               Airport Associates
  ###10.29     Lease Amendment No. 1 as of February 15, 1997 between Registrant and Airport
               Associates
  ###10.30     Lease Agreement by and between 605 East Fairchild Associates, L.P. and
               Registrant dated as of March 5, 1997
   ++10.31     Manufacture and supply agreement between Registrant and Spolana Chemical
               Works, a.s. dated May 30, 1997
     27.1      Financial Data Schedule
</TABLE>
 
- ---------------
 
        * Incorporated by reference to the same-numbered exhibit filed with the
          Registrant's Registration Statement on Form S-1 No. 33-75698.
 
       ** Incorporated by reference to the same-numbered exhibit filed with the
          Registrant's Registration Statement on Form S-1 No. 33-90390, as
          amended.
 
      *** Incorporated by reference to the same-numbered exhibit filed with the
          Registrant's Form 8-B filed with the Commission on June 24, 1996.
 
                                       22
<PAGE>   23
 
    **** Incorporated by reference to the same-numbered exhibit filed with the
         Registrant's Quarterly Report on Form 10-Q for the quarter ended June
         30, 1996, as amended.
 
   ***** Incorporated by reference to the same numbered exhibit filed with the
         Registrant's Current Report on Form 8-K/A filed with the Commission on
         June 21, 1996.
 
       # Incorporated by reference to exhibit 99.1 filed with Registrant's
         Amendment Number 2 to the Registration Statement on Form 8-A (File No.
         0-23490) filed with the Commission on April 23, 1997.
 
      ## Incorporated by reference to the same-numbered exhibit filed with the
         Registrant's Quarterly Report on Form 10-Q for the quarter ended
         September 30, 1996.
 
     ### Incorporated by reference to the same-numbered exhibit filed with the
         Registrant's Annual Report on Form 10-K for the year ended December 31,
         1996, as amended.
 
    #### Incorporated by reference to the same-numbered exhibit filed with the
         Registrant's Annual Report on Form 10-K for the year ended December 31,
         1995, as amended.
 
       + Confidential treatment granted.
 
      ++ Confidential treatment requested.
 
(b) Reports on Form 8-K
 
     None.
 
                                       23
<PAGE>   24
 
                                   SIGNATURES
 
     Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.
 
                                          VIVUS, INC.
 
Date: August 5, 1997                              /s/ DAVID C. YNTEMA
                                          --------------------------------------
                                          David C. Yntema
                                          Chief Financial Officer
 
                                                 /s/ LELAND F. WILSON
                                          --------------------------------------
                                          Leland F. Wilson
                                          President and Chief
                                          Executive Officer
 
                                       24
<PAGE>   25
 
                                  VIVUS, INC.
 
                               INDEX TO EXHIBITS
 
<TABLE>
<CAPTION>
EXHIBIT                                         DESCRIPTION
- -------     -----------------------------------------------------------------------------------
<C>         <S>
 10.31      Manufacture and supply agreement between Registrant and Spolana Chemical Works,
            a.s. dated May 30, 1997
 27.1       Financial Data Schedule
</TABLE>
 
                                       25

<PAGE>   1
                                                                 EXHIBIT 10.31

                        MANUFACTURE AND SUPPLY AGREEMENT


         This Manufacturing and Supply Agreement ("Agreement"), is entered into
as of May 30, 1997 ("Effective Date") by and between Vivus, Inc., having a
principal place of business at 545 Middlefield Road, Suite 200, Menlo Park, CA
94025, United States of America ("Vivus"), and Spolana Chemical Works, A.S.,
having a place of business at 277 11 Neratovice, Czech Republic ("Spolana").

                                   BACKGROUND

A. Spolana and Pharmatech, Inc., also known as Pharma Tech International, Inc.
("Pharmatech") have entered into a business arrangement pursuant to which
Spolana appointed Pharmatech as Spolana's exclusive worldwide distributor of
Alprostadil USP (Prostaglandin E(1)) and Pharmatech agreed to purchase certain
quantities of Alprostadil USP all as described in more detail in those certain
memoranda between Spolana and Pharmatech dated March 2, 1993 filed in the
archives of the commercial department of the zavod kvalifikovane chemie
[qualified chemistry company] and that certain agreement in the Czech language
dated September 23, 1994, as amended (collectively, the "Spolana-Pharmatech
Agreements").

B. Vivus, Spolana and Pharmatech entered into that certain agreement effective
as of June 23, 1993 (the "Supply Agreement") pursuant to which Spolana agreed to
manufacture Prostaglandins E(1) and E(2) and Pharmatech would supply quantities
of Prostaglandins E(1) and E(2) so manufactured to Vivus. Therein, Vivus agreed
not to purchase Prostaglandins E(1) and E(2) directly from Spolana during the
term of the Supply Agreement but only from Pharmatech.

C. Thereafter, Vivus and Pharmatech have entered into a certain letter agreement
dated March 17, 1997 pursuant to which Pharmatech agreed to waive or otherwise
terminate its rights under the Spolana-Pharmatech Agreements and the Supply
Agreement, so that Vivus may purchase Prostaglandins E(1) and E(2) directly from
Spolana and Spolana may supply the same directly to Vivus.

D. Vivus desires to secure a supply of certain quantities of Alprostadil
manufactured by Spolana; and Spolana desires to supply such Alprostadil directly
to Vivus, and not through Pharmatech, all on the terms and conditions set forth
below.

         NOW, THEREFORE, in consideration of the mutual covenants and premises
herein contained, the parties hereto agree as follows:

                                   ARTICLE 1.
                                   DEFINITIONS

         1.1. "DMF" shall mean a drug master file, or its equivalent for the
Product filed with a regulatory agency by or on behalf of Spolana which is
adequate to comply with the applicable requirements and standards of such
regulatory agency with respect to the Product.
<PAGE>   2

          1.2. "FDA" shall mean the United States Food and Drug Administration.

          1.3. "GMP" shall mean good manufacturing practices as defined by the
FDA in 21 CFR Part 211.

          1.4. "MUSE System" shall mean Vivus' system for delivery of the
Product to treat erectile dysfunction, as modified from time to time during the
term of this Agreement.

          1.5. "Product" shall mean Alprostadil USP (Prostaglandin E(1)).

          1.6. "Specifications" shall mean the particulars as to composition,
quality and other characteristics for the Product as set forth in Exhibit A
hereto, as may be amended from time to time by mutual agreement of the parties.

          1.7. "USP" shall mean United States Pharmacopeia.


                                   ARTICLE 2.
                                     SUPPLY

          2.1. Product Supply. Subject to the terms and conditions of this
Agreement, Spolana shall supply to Vivus quantities of the Product ordered by
Vivus from time to time during the term of this Agreement. Without limiting the
foregoing, Spolana shall at all times maintain facilities to manufacture, [*].

          2.2. Forecasts. During the term of this Agreement, [*], Vivus shall
provide Spolana with a rolling written forecast of the quantities of Product
estimated to be required [*]. Notwithstanding the foregoing, Vivus' initial
forecast of the quantities of Product estimated to be required [*] is attached
hereto as Exhibit B.

          2.3. Orders.

                  2.3.1. Orders. Together with each forecast provided under
Section 2.2 above (the "Current Forecast"), [*]. Spolana shall accept such
orders from Vivus, subject to the remaining terms and conditions of this
Agreement, provided that Spolana [*]. All orders placed hereunder shall be for
full lots of 500 or 600 grams, or as otherwise mutually agreed.


*Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.


                                       2
<PAGE>   3

                  2.3.2. Form of Orders. Vivus' orders shall be made pursuant to
a written purchase order which is in a form mutually acceptable to the parties,
and shall provide for shipment in accordance with reasonable delivery schedules
as may be agreed upon from time to time by Spolana and Vivus. Spolana shall use
all reasonable efforts to notify Vivus [*] of its ability to fill any amounts of
such order in excess of the quantities that Spolana is obligated to supply. No
terms contained in any purchase order, order acknowledgment or similar
standardized form shall be construed to amend or modify the terms of this
Agreement and in the event of any conflict, this Agreement shall control unless
expressly agreed in writing.

                  2.3.3. Minimum Orders. Vivus agrees to order at least [*] of
Product for delivery during [*]. In addition, Vivus agrees to order [*].

         2.4 Maximum Quantities. Notwithstanding anything herein to the
contrary, Spolana shall not be obligated to supply to Vivus more than [*],
provided that Spolana agrees to use all reasonable efforts to supply any
quantities in excess of such amount as Vivus may order in accordance with
Section 2.3 above.

         2.5 Price. The price to be paid by Vivus per gram of the Product
ordered by Vivus shall be [*] by Spolana during a particular calendar year, as
follows:

                  2.5.1.   [*];

                  2.5.2.   [*];

                  2.5.3.   [*];  and

                  2.5.4    [*].

[*].
         2.6 Packaging. Products shall be shipped to Vivus in lots aliquoted to
500 or 600 grams each, packaged in containers in accordance with the United
States DMF. Each such container shall be individually labeled with a description
of its contents, including the manufacturer name, manufacturer lot number,
quantity of Product, and date of manufacture. Each such container shall be
resealable and protected from light and breakage. In addition, a separate
external plastic container shall be placed outside each such container, and
shall in turn be sealed within a heavy plastic bag. The shipment shall be
insured and carried by a reputable air freight company reasonably acceptable to
Vivus. A copy of a certificate of analysis for each such lot shall accompany
such lot. A second copy of such certificate of analysis shall be separately
provided to Vivus.


*Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.


                                       3
<PAGE>   4

          2.7 Shipping Terms; Payment. [*]. The manner of shipment shall be
designated by Spolana and the airport or address shall be designated by Vivus.
All payments hereunder shall be made in U.S. dollars, by direct bank transfer to
an account designated in Spolana's invoice. Payment terms shall be [*].

          2.8 Taxes. [*]

                                   ARTICLE 3.
                                     QUALITY

         3.1. Quality. All Product supplied by Spolana shall meet (i) the
current USP and European Pharmacopoeia requirements for the Product, (ii) the
current Specifications, (iii) additional requirements that the parties may agree
to from time to time to reflect to the manufacturing requirements of Vivus' MUSE
System and (iv) the requirements of any health regulatory agency to which Vivus
has submitted, or notifies Spolana it will submit or sponsor the submission of,
an application for regulatory approval. In case of any official monograph or
regulatory agency requirement conflicts with the current USP and European
Pharmacopoeia requirements for the Product and Spolana's manufacturing and
control process of Product described in the DMF, parties will consult to seek a
mutually acceptable solution. All Product supplied by Spolana shall be
manufactured in accordance with current GMP manufacturing and record keeping
procedures and ISO 9000 regulatory requirements and record keeping procedures at
Spolana's plant located at 27711 Neratovice, Czech Republic (the "Facility").

         3.2. Quality Control. Prior to each shipment of Product, Spolana shall
perform quality control procedures to verify that the quantity or batch of such
Product to be shipped conforms fully with the Specifications. Each shipment of
Product shall be accompanied by a Certificate of Analysis describing all current
requirements of the Specifications, results of test performed, as well as a
Batch Release Sheet certifying that the batch of Product supplied has been
manufactured, controlled and released according to the Specifications, current
DMFs and all relevant and current GMP requirements at the Facility stipulated
under Section 3.1 above.

         3.3. Rejection. Vivus shall have [*] following its receipt of a
shipment of Product to reject such Product on the grounds that all or part of
the shipment fails to conform to the applicable Specifications or otherwise
fails to conform to the warranties given by Spolana in Section 5.1, which
rejection shall be accomplished by giving written notice to Spolana specifying
the manner in which all or part of such shipment fails to meet the foregoing
requirements. If rejection is based on grounds of contamination or Product not
passing any physical test of Specification, Vivus' rejection notice shall be
accompanied by a satisfactory sample returned to Spolana to verify such
non-conformity. If Vivus rejects a shipment before the date on which payment
therefor is due, it may

*Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.


                                       4
<PAGE>   5

withhold payment for such shipment or the rejected portion thereof. The
warranties given by Spolana in Article 5 below shall survive any failure to
reject by Vivus under this Section 3.3.

         3.4 Returns and Settlement of Claims. Spolana shall be obliged to
respond in writing to Vivus accepting or refusing a rejection notice from Vivus
[*] from the date of receipt of such rejection notice in accordance with Section
3.3 above. In case of a disagreement between the parties, the claim shall be
submitted for tests and decision to an independent testing organization which
meets appropriate GMP or consultant of recognized repute within the United
States pharmaceutical industry mutually agreed upon by the parties (the
"Laboratory"), the appointment of which shall not be unreasonably withheld or
delayed by either party. The determination of such entity with respect to all or
part of any shipment of Product shall be final and binding upon the parties. The
fees and expenses of the Laboratory making such determination shall be paid by
the party against which the determination is made (i.e., the party whose
argument is rejected by the Laboratory). Products accepted by Spolana as not
meeting the applicable requirements and Specifications or so decided by the
Laboratory shall be returned by Vivus to Spolana. Spolana shall use its best
efforts to replace the quantities of Product returned by Vivus within the
shortest possible time, [*] from the return of such quantities. The replacement
of returned Product shall have priority over the supply of Product ordered for
shipment, [*] or any time after the return of the rejected quantity to Spolana.
Without limiting the remedies of Vivus, if Spolana fails to replace returned
Product within [*] days from the date Product is returned to Spolana, Vivus
shall have the right (i) to cancel such replacement shipment by written notice
and (ii) to reclaim immediately (either through refund or setoff, at Vivus'
discretion) the amounts paid pursuant to Section 2.7 above for the Product that
was returned but not replaced, if such payment for such Product had already been
made to Spolana.

         3.5. Presence At Facility. Upon reasonable notice given by Vivus to
Spolana and at reasonable frequency, Vivus shall have the right to assign a
reasonable number of employees or consultants of Vivus to inspect and audit the
Facility at which Product is manufactured in order to verify Spolana's
compliance with the current GMP and other agreed requirements, provided, however
that (a) such employees or consultants shall not unreasonably interfere with
other activities being carried out at the Facility, and (b) that such employees
or consultants shall observe all rules and regulations applicable to visitors
and to individuals employed at the Facility. It is understood that as of the
Effective Date Vivus has engaged Forum (Holdings) Limited ("Forum") pursuant to
that certain agreement dated September 26, 1996 pursuant to which Forum agreed
to assist Vivus in ensuring, by aiding Spolana, that Spolana meets and maintains
current GMP and requirements necessary for the sale of Product throughout the
world.

                                   ARTICLE 4.
                               REGULATORY MATTERS


*Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.


                                       5
<PAGE>   6

         4.1.     Regulatory Approvals.

                  4.1.1. Requirements. Vivus and its marketing partners shall
notify Spolana in a timely fashion about their requirements for the submission
and maintenance of DMFs related to the manufacture and control of the Product
adequate to comply with applicable regulatory agencies' (including without
limitation the FDA's) standards with respect to the Product in the United
States, Europe and Canada and other countries as is or becomes necessary for
Vivus and its marketing partners to import, export and sell the MUSE System
worldwide. Spolana will submit a DMF or its equivalent in any other country
imposing requirements fully identical that of United States, Canada or the
European Union within [*]. In case Vivus or its marketing partner requires the
submission of a DMF in a country not covered by the foregoing stipulations,
Vivus will assist Spolana, directly or through others, to obtain the full
details of requirements of a DMF on the manufacture and control of the Product
in the country concerned. Spolana will use its best efforts to fulfill these
requirements and to submit such document with content and form required in the
country in question and at the time required by Vivus. Spolana shall keep Vivus
and it marketing partners, as appropriate, informed about its ability or
inability to submit and maintain such documentation as well as the intended or
possible times of such submissions.

                  4.1.2 DMF Submission. Spolana shall submit DMFs in every
country in English or a translation in English. An English copy of the open part
of each DMF, where such open part exists, shall be provided to Vivus in parallel
with the submission thereof to the applicable regulatory agency. Spolana agrees
to maintain all information filed with the FDA and other regulatory bodies
current and reflective of current manufacturing practices and product
specifications and to update this information as required. From time to time
during the term of this Agreement, Spolana shall provide letters of
authorization, instruments and/or documents, and take such other actions, as
Vivus may reasonably request for purposes of obtaining regulatory approvals
necessary for Vivus and its marketing partners to import, export and sell
Product as incorporated into the MUSE System and/or other products worldwide.
Spolana agrees to notify Vivus in a timely fashion of any significant changes,
deletions or modifications to any DMF or Product process or specification, and
not to implement any such changes that would cause a delay in obtaining
regulatory approvals to market products incorporating the Product without prior
written agreement with Vivus.

         4.2 Inspections. Spolana shall permit the FDA and other regulatory
agencies to conduct such inspections of the Facility as the FDA or such other
regulatory agencies may request, and shall cooperate with the FDA or such other
regulatory agencies with respect to such inspections and any related matters.
Spolana shall give Vivus prior written notice of any such inspections, and shall
keep Vivus informed about the results and conclusions of each such regulatory
inspection, including actions taken by Spolana to remedy conditions cited in
such inspections. In addition, Spolana shall allow Vivus or its representative
to assist in the preparation for and be present at such inspections.

*Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.


                                       6
<PAGE>   7

Spolana shall provide Vivus with copies of any written inspection reports issued
by such agencies and all correspondence between Spolana and the agency involved,
including, but not limited to, FDA Form 483 and all correspondence relating
thereto. Vivus and its regulatory consultants, agents, marketing partners or
other third parties agreed upon in advance by Spolana, under reasonable
confidentiality requirements, shall have access, to quality assurance and
current GMP audits of DMFs for the purposes of assessment of regulatory
compliance, to the buildings, records and areas of the Facility involved in the
manufacture, testing, storage and shipment of the Product.

          4.3 Vivus Cooperation. Vivus agrees to keep Spolana reasonably
informed as to the status of the development and applications for regulatory
approvals of the MUSE System incorporating the Product supplied hereunder.

          4.4 Maintenance of Approvals. Notwithstanding anything herein to the
contrary, Spolana shall not undertake any modifications to Product manufacturing
or testing processes, specifications or filings that could impact Vivus product
approvals, regulatory product reviews, IND or any other compliance status
without prior written agreement of Vivus. Spolana shall obtain and maintain all
licenses, permits and registrations necessary to manufacture the Product and
supply it hereunder.

                                   ARTICLE 5.
                               PRODUCT WARRANTIES


         5.1      Process and Product Warranties.  Spolana warrants and 
represents that:

                  5.1.1 Specifications. all Product supplied to Vivus hereunder
shall comply with the Specifications for the Product, shall conform with the
information shown on the Certificate of Analysis and Batch Release Sheet
provided for the particular shipment according to Section 3.2 hereof;

                  5.1.2. GMP. the Facility, and all Product supplied to Vivus
hereunder meets (a) all United States regulatory requirements for
commercialization of the Product, including without limitation maintenance of a
current DMF with the FDA, compliance with GMP, demonstration of commercial
production capability, and demonstration of acceptable stability of such
Product; (b) all ISO 9000 regulatory requirements applicable to the Product; and
(c) all requirements imposed other regulatory agencies with which a DMF has been
filed for the Product;

                  5.1.3  USP.  all Product supplied to Vivus hereunder shall 
meet all USP and European Pharmacopeia and other applicable standards and shall
be fit for human use;

                  5.1.4 Compliance with FFDCA. none of the Product supplied to
Vivus hereunder shall be adulterated or misbranded within the meaning of the
Federal Food, Drug and Cosmetic Act, 21 U.S.C.A. Section 301 et seq., as amended
and in effect of the time of shipment (the "Act"), or within the meaning of any
state or municipal laws applicable to the Products and containing terms with




                                       7
<PAGE>   8
substantially similar meanings as the meanings of adulteration or misbranding
under the Act; provided, however, that this provision shall not apply to, and
Spolana shall have no responsibility for, misbranding caused directly by Vivus
as a result of labels or package text specified by Vivus for the Product;

                  5.1.5 Timing.  all Product supplied to Vivus hereunder shall
have been manufactured [*];

                  5.1.6 Notification. Spolana will provide written notice to
Vivus of any proposed alterations to the Facility or to any Product
manufacturing or testing process; provided, however, that under no circumstances
shall any such alteration be made without Vivus' express prior written consent,
or before regulatory approval, if required for any such alteration, is received
in each country in which Product is then being sold; and

                  5.1.7 No Encumbrance. title to all Product supplied to Vivus
hereunder shall pass to Vivus as provided herein free and clear of any security
interest, lien, or other encumbrance.

         5.2 Disclaimer. EXCEPT AS EXPRESSLY PROVIDED IN THIS ARTICLE 5, SPOLANA
MAKES NO REPRESENTATION OR WARRANTY, EXPRESS OR IMPLIED, AS TO THE PRODUCT, AND
SPOLANA HEREBY EXPRESSLY DISCLAIMS ANY AND ALL IMPLIED OR STATUTORY WARRANTIES,
INCLUDING WITHOUT LIMITATION, WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE OR NONINFRINGEMENT.

                                   ARTICLE 6.
                              TERM AND TERMINATION

         6.1 Term. The term of this Agreement shall commence on the Effective
Date and continue in full force [*], unless terminated earlier in accordance
with this Article 6.

         6.2 Termination for Convenience. Either party hereto may terminate this
Agreement upon [*] prior written notice to the other party hereto; provided,
however, such termination shall not become effective [*].

         6.3 Termination by Spolana. Spolana shall have the right to terminate
this Agreement on [*] prior written notice to Vivus after the beginning of any
calendar year during the term of this Agreement but before [*].


*Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.


                                       8
<PAGE>   9

         6.4 Breach. This Agreement may be terminated by either party if the
other party breaches any material term or condition of this Agreement and fails
to remedy the breach within [*] after being given written notice thereof.

         6.5 Effect of Termination. In the case of notice of termination by
either party under Section 6.3 or 6.4, the parties' obligations, including
Spolana's obligation to supply Product ordered by Vivus, and Vivus' obligation
to purchase Product included in any binding forecast pursuant to Section 2.3
shall survive. In addition, Vivus may purchase and Spolana agrees to supply
quantities of Product for which Vivus has not found alternate suppliers, at
Spolana's then current prices of Product.

         6.6 Survival. It is understood that termination or expiration of this
Agreement shall not relieve a party from any liability which, at the time of
such termination or expiration, has already accrued to the other party. The
provisions of Sections 3.3, 3.4, 6.5, 6.6 and 10.1, and Articles 1, 5, 7, 9 and
11 shall survive the termination of this Agreement for any reason. All other
rights and obligations of the parties shall cease upon termination of this
Agreement. Except as otherwise expressly provided in this Article 6, all other
rights and obligations of the parties shall terminate.

                                   ARTICLE 7.
                                 CONFIDENTIALITY

         7.1 Confidential Information. The parties may from time to time
disclose to each other Confidential Information. "Confidential Information"
shall mean any information disclosed by one party to the other party hereto
which if disclosed in tangible form is marked "confidential" or with other
similar designation to indicate its confidential or proprietary nature or if
disclosed orally is indicated orally to be confidential or proprietary by the
party disclosing such information at the time of such disclosure and is
confirmed in writing as confidential or proprietary by the disclosing party
within [*] after such disclosure. Notwithstanding the foregoing, Confidential
Information shall not include any information that, in each case as demonstrated
by written documentation: (i) was already known to the receiving party, other
than under an obligation of confidentiality, at the time of disclosure; (ii) was
generally available to the public or otherwise part of the public domain at the
time of its disclosure to the receiving party; (iii) became generally available
to the public or otherwise part of the public domain after its disclosure and
other than through any act or omission of the receiving party in breach of this
Agreement; (iv) was subsequently lawfully disclosed to the receiving party by a
person other than the disclosing party; or (v) was developed by the receiving
party without reference to any Confidential Information of the disclosing party.

         7.2  Confidentiality.  Each party hereby agrees:  (i) to hold and 
maintain in strict confidence all Confidential Information of the other party;
and (ii) not to use or disclose any

*Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.


                                       9
<PAGE>   10
Confidential Information of the other party except to those employees and
consultants who have a need to know, as otherwise permitted by this Agreement,
or as may be necessary to exercise its rights or perform its obligations under
this Agreement; provided that each party to whom Confidential Information is
disclosed agrees to be bound by the same terms regarding the disclosure and use
of Confidential Information as set forth in this Article 7. Nothing contained in
this Article 7 shall prevent either party from disclosing any Confidential
Information of the other party to (a) regulatory agencies for the purpose of
obtaining approval to distribute and market the Product; provided, however, that
all reasonable steps are taken to maintain the confidentiality of such
Confidential Information to be disclosed; (b) to accountants, lawyers or other
professional advisors or in connection with a merger, acquisition or securities
offering, subject in each case to the recipient entering into an agreement to
protect such Confidential Information from disclosure; or (c) is required by law
or regulation to be disclosed; provided, however, that the party subject to such
disclosure requirement has provided written notice to the other party promptly
upon receiving notice of such requirement in order to enable the other party to
seek a protective order or otherwise prevent disclosure of such Confidential
Information.

        7.3 Return of Confidential Information. Upon termination or expiration
of this Agreement, each party shall return all Confidential Information in its
possession that was received from the other party.

                                   ARTICLE 8.
                         REPRESENTATIONS AND WARRANTIES

         8.1 Spolana. Spolana represents and warrants that: (i) it has full
power to enter into this Agreement and to grant and assign to Vivus the rights
granted and assigned to Vivus hereunder; (ii) it has obtained all necessary
corporate approvals to enter into and execute the Agreement; (iii) it has not
entered and will not enter into any agreements with any third party that are
inconsistent with this Agreement; (iv) Spolana shall fully comply with the
requirements of any and all applicable federal, state, local and foreign laws,
regulations, rules and orders of any governmental body having jurisdiction over
the activities contemplated by this Agreement; and (v) that the provisions of
this Agreement, and the rights and obligations of the parties hereunder, are
enforceable under the laws of the Czech Republic.

         8.2 Vivus. Vivus represents and warrants that: (i) it has full power to
enter into the Agreement; (ii) it has obtained all necessary corporate approvals
to enter and execute into this Agreement; (iii) it has not entered and will not
enter into any agreements with any third party that are inconsistent with this
Agreement; and (iv) Vivus shall fully comply with the requirements of any and
all applicable federal, state, local and foreign laws, regulations, rules and
orders of any governmental body having jurisdiction over the activities
contemplated by this Agreement.

         8.3 Disclaimer. EXCEPT AS PROVIDED IN THIS ARTICLE 8 AND ARTICLE 5
ABOVE, NEITHER PARTY MAKES ANY WARRANTIES OR CONDITIONS (EXPRESS,


                                       10
<PAGE>   11
IMPLIED, STATUTORY OR OTHERWISE) WITH RESPECT TO THE SUBJECT MATTER
HEREOF.

                                   ARTICLE 9.
                                 INDEMNIFICATION

         9.1 Vivus. Vivus shall indemnify, defend and hold harmless Spolana, its
directors, officers, employees, agents, successors and assigns from and against
any liabilities, expenses or costs (including reasonable attorneys' fees)
arising out of any claim, complaint, suit, proceeding or cause of action against
any of them by a third party alleging physical injury or death or otherwise
resulting from [*], in each case subject to the requirements set forth in
Section 9.3 below. Notwithstanding the foregoing, Vivus shall have no
obligations under this Article 9 for any liabilities, expenses or costs arising
out of or relating to claims covered under Section 9.2 below.

         9.2 Spolana. Spolana shall indemnify, defend and hold harmless Vivus,
its directors, officers, employees, agents, successors and assigns from and
against all liabilities, expenses, and costs (including reasonable attorneys'
fees) arising out of any claim, complaint, suit, proceeding or cause of action
against any of them by a third party alleging physical injury or death or
otherwise resulting from [*], in each case subject to the requirements set forth
in Section 9.3 below.

         9.3. Indemnification Procedure. Any party seeking indemnification under
this Article 9 (the "Indemnitee") shall (i) promptly notify the indemnifying
party (the "Indemnitor") of such claim, (ii) provide the Indemnitor sole control
over the defense and/or settlement thereof, and (iii) at the Indemnitor's
request and expense, provide full information and reasonable assistance to
Indemnitor with respect to such claims. Without limiting the foregoing, with
respect to claims brought under Section 9.1 or 9.2 above the Indemnitee, at its
own expense, shall have the right to participate with counsel of its own
choosing in the defense and/or settlement of any such claim.

                                   ARTICLE 10.
                              INTERNATIONAL ISSUES

          10.1. Language. This Agreement is in the English language only, which
language shall be controlling in all respects, and all versions hereof in any
other language shall not be binding on the parties hereto. All communications
and notices to be made or given pursuant to this Agreement shall be in the
English language.

          10.2. Government Approvals. Spolana shall:


*Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.


                                       11
<PAGE>   12

                  10.2.1. at its own expense, comply with all applicable laws,
and obtain all approvals and make and maintain in force all filings,
registrations, reports, licenses, permits and authorizations required by
national and local governments within the Czech Republic in order for Spolana to
perform its obligations under this Agreement; and

                  10.2.2. advise Vivus of any legislation, rule, regulation or
other law (including but not limited to any customs, tax, trade, intellectual
property or tariff law) which is in effect or which may come into effect in the
Czech Republic after the Effective Date of this Agreement and which affects the
transfer of Products to Vivus under this Agreement, or which has a material
effect on any provision of this Agreement.

                                   ARTICLE 11.
                                     GENERAL

         11.1 Assignment. The parties agree that their rights and obligations
under this Agreement may not be assigned or otherwise transferred to a third
party without the prior written consent of the other party hereto.
Notwithstanding the foregoing, either party may transfer or assign its rights
and obligations under this Agreement to a successor to all or substantially all
of its business or assets relating to this Agreement whether by sale, merger,
operation of law or otherwise; provided that such assignee or transferee has
agreed to be bound by the terms and conditions of this Agreement. Subject to the
foregoing, this Agreement shall be binding upon and inure to the benefit of the
parties hereto, their successors and assigns.

         11.2 Governing Law. This Agreement shall be governed by, and construed
and interpreted in accordance with, the laws of the United Kingdom without
reference to conflict of laws principles and excluding the 1980 U.N. Convention
on Contracts for the International Sale of Goods.

         11.3 Arbitration. Any dispute or claim arising out of or in connection
with this Agreement or the performance, breach or termination thereof, shall be
finally settled by binding arbitration in London, England under the Rules of
Arbitration of the International Chamber of Commerce by three (3) arbitrators
appointed in accordance with said rules. The decision and/or award rendered by
the arbitrators shall be written, final and non-appealable and may be entered in
any court of competent jurisdiction. The parties agree that, any provision of
applicable law notwithstanding, they will not request, and the arbitrator shall
have no authority to award, punitive or exemplary damages against any party. The
costs of any arbitration, including administrative fees and fees of the
arbitrators, shall be shared equally by the parties, unless otherwise determined
by the arbitrators. Each party shall bear the cost of its own attorneys' and
expert fees. The arbitral proceedings and all pleadings and written evidence
shall be in the English language. Any written evidence originally in a language
other than English shall be submitted in English translation accompanied by the
original or true copy thereof. Notwithstanding the foregoing, either party may
apply to any court of competent jurisdiction for injunctive relief without
breach of this arbitration provision.



                                       12
<PAGE>   13

         11.4 Notices. Any notice or report required or permitted to be given or
made under this Agreement by either party shall be in writing and delivered to
the other party at its address indicated below (or to such other address as a
party may specify by notice hereunder by courier or by registered or certified
airmail, postage prepaid, or by facsimile; provided, however, that all facsimile
notices shall be promptly confirmed, in writing, by registered or certified
airmail, postage prepaid. All notices shall be effective as of the date 
received by the addressee.

         If to Vivus:         Vivus, Inc.
                              545 Middlefield Road, Suite 200
                              Menlo Park, CA 94025
                              Attn: C.E.O. and C.F.O.

         with a copy to:      Wilson, Sonsini, Goodrich & Rosati
                              650 Page Mill Road
                              Palo Alto, California 94304-1050
                              Attn: Kenneth A. Clark, Esq.

         If to Spolana:       Spolana a.s.
                              277 11 Neratovice
                              Czech Republic
                              Attn: Odd. podeje KCH-OU

         with a copy to:       _____________________________
                            
                               _____________________________
                                
                               _____________________________

                               _____________________________

                               _____________________________

         11.5. Limitation of Liability. NEITHER PARTY SHALL BE LIABLE TO THE
OTHER PARTY OR ANY THIRD PARTY FOR ANY SPECIAL, CONSEQUENTIAL, EXEMPLARY OR
INCIDENTAL DAMAGES (INCLUDING LOST OR ANTICIPATED REVENUES OR PROFITS RELATING
TO THE SAME), ARISING FROM ANY CLAIM RELATING TO THIS AGREEMENT, WHETHER SUCH
CLAIM IS BASED ON CONTRACT, TORT (INCLUDING NEGLIGENCE) OR OTHERWISE, EVEN IF AN
AUTHORIZED REPRESENTATIVE OF SUCH PARTY IS ADVISED OF THE POSSIBILITY OR
LIKELIHOOD OF SAME. THESE LIMITATIONS SHALL APPLY NOTWITHSTANDING THE FAILURE OF
THE ESSENTIAL PURPOSE OF ANY LIMITED REMEDY, AND THE PARTIES ACKNOWLEDGE THAT
THIS PARAGRAPH REPRESENTS A REASONABLE ALLOCATION OF RISK.

         11.6 Force Majeure. Neither party will be liable for its failure to
perform any of its obligations hereunder during any period in which such
performance is delayed by acts of God, fire, war, embargo, riots, strikes or
other similar cause outside the control of such party.


                                       13
<PAGE>   14

         11.7. Confidential Terms. Except as expressly provided herein, each
party agrees not to disclose any terms of this Agreement to any third party
without the consent of the other party, except as required by securities or
other applicable laws, to prospective investors and to such party's accountants,
attorneys and other professional advisors.

         11.8. Headings. Headings included herein are for convenience only, do
not form a part of this Agreement and shall not be used in any way to construe
or interpret this Agreement.

         11.9 Non-Waiver. Any waiver of the terms and conditions hereof must be
explicitly in writing. The waiver by either of the parties of any breach of any
provision hereof by the other shall not be construed to be a waiver of any
succeeding breach of such provision or a waiver of the provision itself.

         11.10 Severability. Should any section, or portion thereof, of this
Agreement be held invalid by reason of any law, statute or regulation existing
now or in the future in any jurisdiction by any court of competent authority or
by a legally enforceable directive of any governmental body, such section or
portion thereof shall be validly reformed so as to approximate the intent of the
parties as nearly as possible and, if unreformable, shall be deemed divisible
and deleted with respect to such jurisdiction, but the Agreement shall not
otherwise be affected.

         11.11 Independent Contractors. The relationship of Vivus and Spolana
established by this Agreement is that of independent contractors. Nothing in
this Agreement shall be construed to create any other relationship between Vivus
and Spolana. Neither party shall have any right, power or authority to assume,
create or incur any expense, liability or obligation, express or implied, on
behalf of the other.

         11.12 Trademarks. Vivus, in its sole discretion, shall select the
trademarks, trade names and trade dresses to be used in connection with the
Product and all such trademarks, trade names and trade dresses shall be and
become the exclusive property of Vivus. Spolana shall use said trademarks, trade
names and trade dresses for the sole purpose of manufacturing the Product for
supply to Vivus and at no time shall adopt any trademark, trade name or trade
dress that may be confusingly similar therewith. Spolana shall acquire no rights
in and to any trademarks, trade names and trade dresses selected by Vivus under
this Section 11.12.

         11.13 Entire Agreement. The terms and provisions contained in the
Agreement, including the Exhibits hereto, constitute the entire agreement
between the parties and shall supersede all previous communications,
representations, agreements or understandings, either oral or written, between
the parties with respect to the subject matter hereof. Notwithstanding the
foregoing, neither party waives any rights it may have under the Supply
Agreement. No agreement or understanding varying or extending this Agreement
shall be binding upon either party hereto, unless set forth in a writing which
specifically refers to the Agreement signed by duly authorized officers or


                                       14
<PAGE>   15
representatives of the respective parties, and the provisions hereof not
specifically amended thereby shall remain in full force and effect.

         11.14 Counterparts. This Agreement may be executed in counterparts,
each of which shall be deemed an original, but which together shall constitute
one and the same instrument.


         IN WITNESS WHEREOF, the parties hereto have caused their duly
authorized representatives to execute this Agreement.


VIVUS, INC.                             SPOLANA CHEMICAL WORKS, A.S.

By:                                     By:
    ----------------------------            ---------------------------------
Name:                                   Name:
     ---------------------------              -------------------------------
Title:                                  Title:
      --------------------------              -------------------------------


                                       15
<PAGE>   16

                                    EXHIBIT A


                                       [*]














*Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.
<PAGE>   17

                                    EXHIBIT B

                                INITIAL FORECAST



                        MANUFACTURE and SUPPLY AGREEMENT

                                       [*]















*Confidential treatment requested pursuant to a request for confidential
treatment filed with the Securities and Exchange Commission. Omitted portions
have been filed separately with the Commission.

<TABLE> <S> <C>

<ARTICLE> 5
<MULTIPLIER>   1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               JUN-30-1997
<CASH>                                           2,076
<SECURITIES>                                    78,850
<RECEIVABLES>                                   16,922
<ALLOWANCES>                                     2,511
<INVENTORY>                                      5,180
<CURRENT-ASSETS>                               101,274
<PP&E>                                          19,550
<DEPRECIATION>                                   3,271
<TOTAL-ASSETS>                                 131,976
<CURRENT-LIABILITIES>                           23,775
<BONDS>                                              0
                                0
                                          0
<COMMON>                                            33
<OTHER-SE>                                     108,168
<TOTAL-LIABILITY-AND-EQUITY>                   131,976
<SALES>                                         61,249
<TOTAL-REVENUES>                                66,249
<CGS>                                           17,650
<TOTAL-COSTS>                                   17,650
<OTHER-EXPENSES>                                27,034
<LOSS-PROVISION>                                 2,354
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                 23,950
<INCOME-TAX>                                     4,438
<INCOME-CONTINUING>                             19,512
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    19,512
<EPS-PRIMARY>                                     0.55
<EPS-DILUTED>                                     0.55
        

</TABLE>


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