<PAGE>   1

                                  FORM 10-K/A

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                AMENDMENT NO. 1
                                       TO
                ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF
                      THE SECURITIES EXCHANGE ACT OF 1934

                  For the fiscal year ended December 31, 1998

                        Commission file number 340-23520

                         QUINTILES TRANSNATIONAL CORP.
             (Exact name of registrant as specified in its charter)


            North Carolina                           56-1714315
       (State of incorporation)        (I.R.S. Employer Identification Number)

   4709 Creekstone Drive, Suite 200
        Durham, North Carolina                       27703-8411
(Address of principal executive office)              (Zip Code)


Registrant's telephone number, including area code:  (919) 998-2000

Securities registered pursuant to Section 12(b) of the Act:

                                     None.

Securities registered pursuant to Section 12(g) of the Act:

                     Common Stock, $.01 par value per share
                                (Title of Class)

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

         Indicate by check mark if disclosure of delinquent filers pursuant to
Item 405 of Regulation S-K is not contained herein, and will not be contained,
to the best of registrant's knowledge, in definitive proxy or information
statements incorporated by reference in Part III of this Form 10-K or any
amendment of this Form 10-K. [ ]

         The aggregate market value of the registrant's Common Stock at
February 28, 1999 held by those persons deemed by the registrant to be
non-affiliates was approximately $3,050,657,065.

         As of February 28, 1999 (the latest practicable date), there were
78,202,633 shares of the registrant's Common Stock, $.01 par value per share,
outstanding.
<PAGE>   2

                                    PART III



ITEM 10.      DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

         DIRECTORS

         Set forth below is certain information with respect to each director
of the Company. Information with respect to executive officers of the Company
is included under Part I of this Annual Report on Form 10-K. There are no
family relationships between any of the executive officers or directors of the
Company.

         ROBERT C. BISHOP, PH.D., 56, has served as a director since April
1994. Since May 1992, Dr. Bishop has served as President, Chief Executive
Officer and director of AutoImmune, Inc., a biotechnology company. From
February 1991 to April 1992, Dr. Bishop served as President of Allergan
Therapeutics Group, a division of Allergan, Inc., an eye and skin care company.
From August 1989 to February 1991, Dr. Bishop served as President of Allergan
Pharmaceuticals, a division of Allergan, Inc. Dr. Bishop serves as a director
of Millipore Corporation, a multinational, high technology company that applies
its purification technology to critical research and manufacturing applications
in the microelectronics and biopharmaceutical industries. Dr. Bishop received
an M.B.A. from the University of Miami and a Ph.D. in Biochemistry from the
University of Southern California.

         E.G.F. BROWN, 55, has served as a director of the Company since January
1998. Mr. Brown is a Managing Director of Tibbett & Britten Group plc. Mr. Brown
was previously an Executive Director of T.D.G. PLC, a European logistics
company, and a director of Datrontech PLC, a distributor of personal computer
components. Prior to joining TDG in 1996, Mr. Brown served as Operations
Director for NFC PLC, a supply chain logistics company. Mr. Brown was educated
at Exeter and Reading Universities and the London Business School.

         VAUGHN D. BRYSON, 60, has served as a director since March 1997. Mr.
Bryson is President of Life Science Advisors, LLC, a consulting firm focused on
assisting biopharmaceutical and medical device firms in building shareholder
value. Mr. Bryson was a 32 year employee of Eli Lilly & Co. ("Lilly"), a global
research-based pharmaceutical corporation, where he served as President and
Chief Executive Officer from 1991 until June 1993; he was Executive Vice
President from 1986 until 1991. He served as a director of Lilly from 1984
until his retirement in 1993. From April 1994 to December 1996, Mr. Bryson
served as Vice Chairman of Vector Securities International, Inc., an investment
banking firm. Mr. Bryson is a director of Ariad Pharmaceuticals, Inc., a
developer of pharmaceuticals that targets intracellular signaling pathways in
order to alter the course of disease; Chiron Corporation, a global healthcare
company with biopharmaceutical businesses; Fusion Medical Technologies, Inc., a
company developing and commercializing proprietary collagen gel-based products
for use in controlling bleeding during surgery; and Perclose, Inc., a company
that designs, develops, manufactures and markets a family of systems used to
surgically close arterial access sites in catheterization procedures. Mr.
Bryson completed the Sloan Program at the Stanford University Graduate School
of Business.

         SANTO J. COSTA, 53, became President and Chief Operating Officer of
the Company in April 1994 and has been a director since April 1994. From July
1993 to March 1994, Mr. Costa directed the affairs of his own consulting firm,
Santo J. Costa & Associates, which focused on pharmaceutical and biotechnology
companies. Prior to July 1993, Mr. Costa served seven years at Glaxo, Inc., a
pharmaceutical company, as Senior Vice President Administration and General
Counsel and a member of the Board of Directors. Mr. Costa serves as a director
of NPS Pharmaceuticals Inc., a pharmaceutical




                                       2
<PAGE>   3

company engaged in the discovery and development of small molecule drugs that
address a variety of diseases. Mr. Costa received a law degree from St. John's
University.

         CHESTER W. DOUGLASS, PH.D., 59, has served as a director of the
Company since 1983. Dr. Douglass is Professor and Chairman of the Department of
Oral Health Policy and Epidemiology, Harvard University School of Dental
Medicine and Professor, Department of Epidemiology, Harvard University School
of Public Health. Dr. Douglass has served over 30 years in various academic
appointments at Temple University, the University of North Carolina at Chapel
Hill and Harvard University. Dr. Douglass received a D.M.D. from the Temple
University School of Dentistry, an M.P.H. from the University of Michigan
School of Public Health and a Ph.D. from the University of Michigan Rackham
School of Graduate Studies.

         DENNIS B. GILLINGS, PH.D., 55, founded the Company in 1982 and has
served as Chief Executive Officer and Chairman of the Board of Directors since
its inception. From 1972 to 1988, Dr. Gillings served as a professor in the
Department of Biostatistics at the University of North Carolina at Chapel Hill.
During his tenure as a professor, he was active in statistical consulting for
the pharmaceutical industry. Dr. Gillings currently serves on the Dean's
Advisory Council of the University of North Carolina School of Public Health.
Dr. Gillings has been published widely in scientific and medical journals. Dr.
Gillings serves as a director of Triangle Pharmaceuticals, Inc., a company
engaged in the development of new drug candidates primarily in the antiviral
area. Dr. Gillings received a Diploma in Mathematical Statistics from the
University of Cambridge and a Ph.D. in Mathematics from the University of
Exeter.

         LAWRENCE S. LEWIN, 60, has served as the Chief Executive Officer of
The Lewin Group, Inc., a subsidiary of the Company, since May 1996. Mr. Lewin
has been a director of the Company since June 1996. Between November 1992 and
May 1996, Mr. Lewin served as the Chairman and Chief Executive Officer of
Lewin-VHI, Inc., a healthcare consulting firm specializing in performing
economic analyses, product profiles, and strategic development for healthcare
reform and medical reimbursement and the establishment of medical guidelines.
Mr. Lewin serves as a director of Apache Medical Systems, Inc., a provider of
clinically-based decision support information systems to the health care
industry, and as a member of the advisory boards of the Hambrecht & Quist
Healthcare Investors Fund and the Hambrecht & Quist Life Sciences Fund. Mr.
Lewin received an M.B.A. from Harvard Business School.

         ARTHUR M. PAPPAS, 51, has served as a director since September 1994.
Mr. Pappas is Chairman and Chief Executive Officer of A.M. Pappas & Associates,
LLC, an international management and consulting services company and investor
in the high technology and life science industries. Mr. Pappas previously
served as a director on the Board of Glaxo Holdings plc, a pharmaceutical
company, with executive and Board responsibilities for operations in Asia
Pacific, Latin America and Canada. Mr. Pappas also serves as a director of
GeneMedicine, Inc., a company engaged in the development of non-viral gene
therapy products designed for the treatment or prevention of serious diseases;
Embrex, Inc., an international agricultural biotechnology company focused on
developing patented pharmaceutical, biological, mechanical and data management
products for use in the poultry industry; and KeraVision, Inc., a company that
engages in the treatment of common vision problems. Mr. Pappas's 27 years of
experience in the healthcare industry also includes positions with Merrell Dow
Pharmaceuticals, a pharmaceutical company and subsidiary of Dow Chemicals, and
Abbott Laboratories International, Inc., a global, diversified health care
company devoted to the discovery, development, manufacture and marketing of
pharmaceutical, diagnostic, nutritional and hospital products. Mr. Pappas
received an M.B.A. in Finance from Xavier University.



                                       3
<PAGE>   4

         LUDO J. REYNDERS, PH.D., 45, has served as Chief Executive Officer of
the Product Development Group since 1996. He managed the Company's European
clinical operations from 1988 to 1996. Dr. Reynders has served as a director of
the Company since January 1995. Prior to joining the Company, Dr. Reynders
managed the biostatistics and data management department of the Bristol-Myers
Co. Pharmaceutical Research and Development Division, located in Brussels,
Belgium. Bristol-Myers Co. is a diversified worldwide health and personal care
company whose principal businesses are pharmaceuticals, consumer products,
nutritionals and medical devices. Dr. Reynders also serves as a director of
Oxford Asymmetry International plc, a company producing products for use in the
pharmaceutical, biotechnology and agrochemical industries. Dr. Reynders
received an M.S. and Ph.D. in Applied Sciences from the University of Louvain,
Louvain, Belgium.

         RACHEL R. SELISKER, 43, a certified public accountant, serves as
Executive Vice President Finance and Chief Financial Officer for the Company
and has been the Company's principal financial officer since 1987. Ms. Selisker
has served as a director of the Company since November 1995. From 1981 to 1987,
Ms. Selisker was with the accounting firm of Oppenheim, Appel, Dixon & Co. in
Raleigh, North Carolina. Ms. Selisker serves on the Advisory Board for the
Accounting Curriculum at Wake Technical Community College.

         ERIC J. TOPOL, M.D., 44, has served as a director since November 1997.
Dr. Topol is the Chairman of the Department of Cardiology and co-director of
the Heart Center at The Cleveland Clinic Foundation. He has served as Study
Chairman for clinical trials of well over 100,000 patients over the past
decade. Dr. Topol was a faculty member of the University of Michigan from 1985
until 1991 before moving to his current post. He has authored more than 500
publications in leading peer-review medical journals and is the editor of more
than 10 books. Dr. Topol has been elected to the American Society of Clinical
Investigation and the American Association of Physicians. He previously served
as a director for Rhone Poulenc Rorer, a leading life sciences company,
specializing in innovations in human, plant and animal health. Dr. Topol
received his M.D. at the University of Rochester and completed post-doctoral
training at the University of California, San Francisco and the Johns Hopkins
Medical Center.

         VIRGINIA V. WELDON, M.D., 63, has served as a director of the Company
since November, 1997. Dr. Weldon served as Senior Vice President, Public
Policy, Monsanto Company, an agro-chemicals and biotechnology (life sciences)
company, from October 1993 until her retirement in March 1998. Previously, she
was Professor of Pediatrics, Vice Chancellor for Medical Affairs and Vice
President of the Medical Center at Washington University in St. Louis. Dr.
Weldon has received recognition from numerous medical, scientific and
educational organizations, among them the Association of American Medical
Colleges, of which she served as Chairman. In 1994, Dr. Weldon was one of 18
individuals appointed to the President's Committee of Advisors on Science and
Technology. More recently, she became a member of the California Institute of
Technology Board of Trustees. Dr. Weldon received her medical degree from the
State University of New York at Buffalo. She also completed post-doctoral
studies at the Johns Hopkins University.

         DAVID F. WHITE, 55, serves as the Chief Executive Officer of Innovex
Limited, a subsidiary of the Company that offers marketing, strategic
consulting and physician-profiling services to the pharmaceutical industry. Mr.
White has served as a director of the Company since November 1997. Mr. White
joined Innovex Limited as Group Chief Executive Officer in September 1994 from
ICI plc, a large chemicals company that engaged in the pharmaceutical industry,
where he had a broad career principally in the international pharmaceutical
business. After successive appointments as Managing Director of Stuart
Pharmaceuticals, a British pharmaceutical affiliate company of ICI plc, from
June 1984 to October 1985, and General Manager, ICI Pharmaceuticals (U.K.), a
division of ICI plc (demerged in 1993 into Zeneca plc), from November 1985 to
December 1988, he was promoted to lead the global plastics and acrylics
businesses, culminating in an assignment to steer the global integration of
Dupont Acrylics into ICI Acrylics.



                                       4
<PAGE>   5

         Set forth below is certain information with respect to each person who
the Company anticipates will be appointed in May 1999 to fill vacancies on the
Board of Directors and will be nominated for election to the Board of Directors
at the Annual Meeting of Shareholders in June 1999, as contemplated by the
Amended and Restated Agreement and Plan of Merger between the Company, QELS
Corp. and ENVOY, dated as of December 15, 1998 (the "ENVOY Agreement"). The
following individuals have indicated their willingness to serve as directors.

         WILLIAM E. FORD, 37, was appointed a director of ENVOY Corporation
("ENVOY") in March 1996 and served as a director until ENVOY was acquired by
the Company in March 1999. ENVOY is a provider of healthcare electronic data
interchange and data mining services. Mr. Ford has served as a managing member
of General Atlantic Partners LLC, the general partner of General Atlantic
Partners 25, L.P., and as a general partner of GAP Coinvestment Partners, L.P.
since 1991. Mr. Ford also serves as a director of GT Interactive Software
Corporation, a provider of entertainment and educational consumer software; LHS
Group, Inc., a provider of scaleable client/server-based billing solutions to
carriers in the telecommunications industry; Eclipsys Corporation, a healthcare
information technology company; and E*Trade Group, Inc., a discount on-line
electronic brokerage company.

         FRED C. GOAD, JR., 58, served as the Chairman and Co-Chief Executive
Officer of ENVOY from August 1995 until ENVOY was acquired by the Company in
March 1999, and as a director from ENVOY's incorporation in August 1994 through
March 1999. Prior to that time, he served as ENVOY's President from the date of
incorporation until assuming the title of Chairman and Co-Chief Executive
Officer in August 1995. Mr. Goad served as Chief Executive Officer and a
director of ENVOY Corporation, a Delaware corporation and former parent
corporation to ENVOY ("Old ENVOY"), from September 1985 through June 1995. Mr.
Goad is a director of Performance Food Group Company, a food distribution
company.

         JIM D. KEVER, 46, has served as Chief Executive Officer of ENVOY, a
subsidiary of the Company, since ENVOY was acquired by the Company in March
1999. Mr. Kever served as President and Co-Chief Executive Officer of ENVOY
from August 1995 until March 1999 and as a director from ENVOY's incorporation
in August 1994 until March 1999. Prior to such time, he served as ENVOY's
Executive Vice President, Secretary and General Counsel from the date of
incorporation. Mr. Kever had served as a director and Secretary, Treasurer and
General Counsel of Old ENVOY since 1981 and as Executive Vice President since
1984. Mr. Kever also is a director of Transaction System Architects, Inc., a
supplier of electronic payment software products and network integration
solutions, and 3D Systems Corporation, a manufacturer of technologically
advanced solid imaging systems and prototype models.

         SECTION 16(A) BENEFICIAL OWNERSHIP REPORTING COMPLIANCE

         Section 16(a) of the Securities Exchange Act of 1934, as amended,
requires the Company's executive officers and directors to file reports of
ownership and changes in ownership with the Securities and Exchange Commission.
Based on a review of the report forms that were filed, the Company believes
that during 1998 all filing requirements applicable to its executive officers
and directors were complied with except that each of Mr. Costa, Mr. White and
Ms. Selisker reported late to the Securities and Exchange Commission the
acquisition or sale of certain shares of the Company's common stock. Mr. Costa
filed an amended Form 4 on June 6, 1998 for a transaction occurring on May 4,
1998 and involving the purchase of 2,500 shares of the Company's common stock
at a purchase price of $6.3125 per share. Mr. White filed an amended Form 4 on
December 17, 1998 for a transaction occurring on November 6, 1998 and involving
the purchase of 1,100 shares of the Company's common stock at a purchase price
of $50.00 per share. Ms. Selisker filed an amended Form 4 on January 25, 1999
for a transaction occurring



                                       5
<PAGE>   6

on May 1, 1998 and involving the sale of 6,000 shares of the Company's common
stock at a price of $49.00 per share.

ITEM 11.      EXECUTIVE COMPENSATION

         The following tables show annual and long-term compensation paid or
accrued by the Company for services rendered for the fiscal years indicated by
the Company's Chief Executive Officer and the next four most highly compensated
executive officers (the "named executive officers") whose total salary and
bonus exceeded $100,000 individually during the year ended December 31, 1998.

                           SUMMARY COMPENSATION TABLE

<TABLE>
<CAPTION>
                                                                                       Long Term
                                            Annual Compensation                       Compensation
                              ----------------------------------------------------    ------------

                                                                                         No. of
                                                                                       Securities
          Name and                                                    Other Annual     Underlying        All Other
     Principal Position        Year         Salary         Bonus      Compensation       Options       Compensation
     ------------------        ----       -----------    ---------    ------------    -------------    ------------
                                                                                        
<S>                            <C>        <C>            <C>          <C>             <C>              <C>           
Dennis B. Gillings             1998       $474,996 (1)   $      --    $         (2)      25,048  (3)   $  349,236  (4)
    Chairman of the Board of   1997        447,400 (5)          --          --           24,013  (6)      231,009  (7)
    Directors and Chief        1996        442,022              --              (2)      23,340  (8)      107,578  (9)
    Executive Officer
 
Santo J. Costa                 1998       $450,000       $      --    $         (2)      22,553 (10)   $  760,552 (11)
    President and Chief        1997        425,000              --      43,981 (12)     119,338 (13)    2,336,090 (14)
    Operating Officer          1996        356,250              --              (2)      17,746 (15)      703,680 (16)

Lawrence S. Lewin              1998       $318,350       $      --    $         (2)       7,123        $   11,546 (17)
    Chief Executive Officer,   1997        303,188              --              (2)      14,011 (18)       31,738 (19)
    The Lewin Group            1996        179,224         108,300              (2)     114,334            29,535 (20)

Ludo J. Reynders               1998       $315,000       $      --    $         (2)      23,803 (21)   $    6,837 (22)
    Chief Executive Officer,   1997        301,415              --              (2)      64,477 (23)       11,781 (24)
    Quintiles CRO              1996        242,079              --              (2)      12,696 (25)       13,648 (24)

David F. White                 1998       $283,450       $      --    $         (2)      12,597        $   32,075 (26)
    Chief Executive Officer,   1997        253,061          52,623              (2)      22,427            24,041 (27)
    Innovex Limited            1996 (28)   200,535          58,880              (2)     111,134                --
</TABLE>

-------------------
(1)      Includes $236,348 deferred during 1998 pursuant to the Company's 
         Deferred Compensation Plan.
(2)      Perquisites and other personal benefits received did not exceed the
         lesser of $50,000 or 10% of salary and bonus compensation for the named
         executive officer.
(3)      Includes 6,053 shares subject to options granted pursuant to the 1998
         bonus.
(4)      Includes contributions to the Company's 401(k) Plan on behalf of Dr.
         Gillings in the amount of $2,364, the estimated value of contributions
         made to the Company's ESOP on Dr. Gillings behalf in the amount of
         $6,031, the present value of the benefit to Dr. Gillings of the
         premiums paid by the Company under a split-dollar life insurance
         arrangement in the amount of $335,686 (see "Employment Agreements"
         below for a description of this arrangement), and other life insurance
         premiums paid by the Company in the amount of $5,155.
(5)      Includes $55,925 deferred during 1997 pursuant to the Company's 
         Deferred Compensation Plan.
(6)      Includes 7,042 shares subject to options granted pursuant to the 1997
         bonus.
(7)      Includes contributions to the Company's 401(k) Plan on behalf of Dr.
         Gillings in the amount of $2,237, the value of contributions made to
         the Company's ESOP on Dr. Gillings' behalf in the amount of $16,473,
         the present value of the benefit to Dr. Gillings of the premiums paid
         by the 



                                       6
<PAGE>   7

         Company under a split-dollar life insurance arrangement in the amount
         of $207,144 (see "Employment Agreements" below for a description of
         this arrangement), and other life insurance premiums by the Company in
         the amount of $5,155.
(8)      Includes 5,840 shares subject to options granted pursuant to the 1996
         bonus.
(9)      Includes contributions to the Company's 401(k) Plan on behalf of Dr.
         Gillings in the amount of $2,210, the value of contributions made to
         the Company's ESOP on Dr. Gillings' behalf in the amount of $20,736,
         the present value of the benefit to Dr. Gillings of the premiums paid
         by the Company under a split-dollar life insurance arrangement in the
         amount of $79,644 (see "Employment Agreements" below for a description
         of this arrangement), and other life insurance premiums paid by the
         Company in the amount of $4,988.
(10)     Includes 5,299 shares subject to options granted pursuant to the 1998
         bonus.
(11)     Includes $749,625, which represents the appreciation of incentive
         stock options exercised, and $6,031, which represents the estimated
         value of the contributions made to the Company's ESOP on behalf of Mr.
         Costa. Also includes $4,896 representing the value of life insurance
         premiums paid in 1998.
(12)     Amount represents the value of financial planning and legal costs paid
         by the Company on behalf of Mr. Costa.
(13)     Includes 5,549 shares subject to options granted pursuant to the 1997
         bonus.
(14)     Includes $2,317,260, which represents the appreciation of incentive
         stock options exercised, and $14,510 which represents the estimated
         value of the contributions made to the Company's ESOP on behalf of Mr.
         Costa. Also includes $4,320 representing the value of life insurance
         premiums paid in 1997.
(15)     Includes 3,996 shares subject to options granted pursuant to the 1996
         bonus.
(16)     Includes $679,488, representing the appreciation of incentive stock
         options exercised, and $20,736 representing the value of contributions
         made to the Company's ESOP on behalf of Mr. Costa. Also includes
         $3,456 representing the value of life insurance premiums paid during
         1996.
(17)     Includes $2,400 in contributions to the Company's 401(k) Plan on
         behalf of Mr. Lewin, $3,115, which represents the value of the life
         insurance premiums paid during 1998, and $6,031 representing the
         estimated value of contributions made to the Company's ESOP on behalf
         of Mr. Lewin.
(18)     Includes 4,465 shares subject to options granted pursuant to the 1997
         bonus.
(19)     Includes $2,250 in contributions to the Company's 401(k) Plan on
         behalf of Mr. Lewin, $15,000, which represents the value of the life
         insurance premiums paid during 1997, and $14,488 representing the
         value of contributions made to the Company's ESOP on behalf of Mr.
         Lewin.
(20)     Includes $4,299 for life insurance premiums paid during 1996 and
         $4,500 contributed by the Company to the Company's 401(k) Plan on
         behalf of Mr. Lewin. Also includes $20,736, representing the value of
         contributions made to the Company's ESOP on behalf of Mr. Lewin.
(21)     Includes 3,514 shares subject to options granted pursuant to the 1998
         bonus. 
(22)     Includes $806 in contributions to the Company's 401(k) Plan on behalf
         of Mr. Reynders and $6,031 representing the estimated value of
         contributions made to the Company's ESOP on behalf of Mr. Reynders.
(23)     Includes 2,810 shares subject to options granted pursuant to the 1997
         bonus.
(24)     Amount represents the value of contributions to the Quintiles (UK)
         Limited Approved Profit Sharing Scheme on behalf of Dr. Reynders.
(25)     Includes 2,696 shares subject to options granted pursuant to the 1996
         bonus.
(26)     Includes $28,345 of contributions to the Innovex Personal Pension Plan
         on behalf of Mr. White and $3,730, which represents the value of life
         insurance premiums paid during 1998.
(27)     Amount represents the value of contributions to the Innovex Personal
         Pension Plan on behalf of Mr. White.



                                       7
<PAGE>   8

(28)     Mr. White became an executive officer of the Company following the
         Company's business combination with Innovex in November 1996. With
         respect to Mr. White, this table includes ordinary compensation paid
         by Innovex in 1996.

                       OPTION GRANTS IN LAST FISCAL YEAR

         The following table reflects the stock options granted during the past
fiscal year to the named executive officers pursuant to the Company's Equity
Compensation Plan and the Nonqualified Stock Option Plan. No stock appreciation
rights were granted to the named executive officers during 1998.

<TABLE>
<CAPTION>
                                                                                      POTENTIAL REALIZABLE VALUE
                                                                                       AT ASSUMED ANNUAL RATES
                                                                                             OF STOCK PRICE
                                                                                        APPRECIATION FOR OPTION
                                        INDIVIDUAL GRANTS                                       TERM (1)
                      ----------------------------------------------------------      --------------------------
                       NUMBER OF     PERCENT OF
                      SECURITIES    TOTAL OPTIONS
                      UNDERLYING      GRANTED TO      EXERCISE OR
                       OPTIONS       EMPLOYEES IN      BASE PRICE     EXPIRATION
         NAME          GRANTED      FISCAL YEAR (2)   PER SHARE ($)      DATE           5%($)            10%($)
         ----         ----------    --------------    -------------  -----------      ---------         --------

<S>                   <C>           <C>               <C>            <C>              <C>              <C>
Dennis B. Gillings     6,053  (3)              0.3%           53.38     12/31/08        203,183          514,905
                       3,799  (4)              0.2%           53.38     12/31/08        127,522          323,166
                       1,873  (5)              0.1%           53.38     12/31/08         62,871          159,329
                      13,323  (6)              0.6%           53.38     12/31/08        447,216        1,133,334
                              
                              

Santo J. Costa         5,299  (3)              0.2%           53.38     12/31/08        177,873          450,765
                       3,451  (4)              0.2%           53.38     12/31/08        115,841          293,563
                       1,873  (5)              0.1%           53.38     12/31/08         62,871          159,329
                      11,930  (6)              0.5%           53.38     12/31/08        400,457        1,014,837
                                   

Lawrence S. Lewin      2,219  (8)              0.1%           53.38     12/31/08         74,486          188,761
                       2,055  (9)              0.1%           53.38     12/31/08         68,981          174,811
                       2,849  (4)              0.1%           53.38     12/31/08         95,633          242,353

Ludo J. Reynders      10,000  (4)              0.5%           53.38     12/31/08        335,673          850,660
                       3,514  (3)              0.2%           53.38     12/31/08        117,955          298,922
                       2,058  (4)              0.1%           53.38     12/31/08         69,081          175,066
                       7,492  (7)              0.3%           53.38     12/31/08        251,486          637,314
                         739 (10)              0.0%           53.38     12/31/08         24,806           62,864
                             
David F. White         2,308  (3)              0.1%           53.38     12/31/08         77,473          196,332
                      10,289  (4)              0.5%           53.38     12/31/08        345,373          875,244
</TABLE>

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

(1)      Potential realizable value of each grant is calculated assuming that
         market price of the underlying security appreciates at annualized
         rates of 5% and 10%, respectively, over the term of the grant. The
         assumed annual rates of appreciation of 5% and 10% would result in the
         price of the Common Stock increasing to $86.94 and $138.44 per share,
         respectively, for the options expiring December 31, 2008.

(2)      Options to purchase an aggregate of 2,177,942 shares were granted to 
         employees during 1998.

(3)      Nonqualified options granted December 31, 1998, expiring December 31,
         2008, or if sooner, three months after termination of employment,
         unless employment is terminated because of (1)



                                       8
<PAGE>   9

         death or disability, in which case the options may be exercised until
         the first anniversary following termination, or (2) retirement, in
         which case the options may be exercised up to the fifth anniversary
         following termination. Shares subject to the options granted will vest
         on April 30, 1999.

(4)      Nonqualified options granted December 31, 1998, expiring December 31,
         2008, or if sooner, three months after termination of employment,
         unless employment is terminated because of (1) death or disability, in
         which case the options may be exercised until the first anniversary
         following termination, or (2) retirement, in which case the options
         may be exercised up to the fifth anniversary following termination.
         Shares subject to the options granted vest over the next four years,
         with 25% of such shares vesting on December 31 of each year, beginning
         December 31, 1999.

(5)      Incentive stock options granted December 31, 1998, expiring December
         31, 2008, or if sooner, three months after termination of employment,
         unless employment is terminated because of death or disability, in
         which case the options may be exercised until the first anniversary
         following termination. Number of options granted to extent of annual
         $100,000 cap; options in excess of the cap granted as nonqualified
         options. Shares subject to the options granted vest on December 31,
         2002.

(6)      Nonqualified options granted December 31, 1998, expiring December 31,
         2008, or if sooner, three months after termination of employment,
         unless employment is terminated because of (1) death or disability, in
         which case the options may be exercised until the first anniversary
         following termination, or (2) retirement, in which case the options
         may be exercised up to the fifth anniversary following termination.
         Options granted represent nonqualified options granted in conjunction
         with incentive options granted to the extent of the $100,000 cap.
         Shares subject to the options granted vest over the next four years
         with 29% vesting each of the next three years on December 31, 1999,
         2000 and 2001, and 13% vesting on December 31, 2002.

(7)      Incentive stock options granted December 31, 1998, expiring December
         31, 2008, or if sooner, three months after termination of employment,
         unless employment is terminated because of death or disability, in
         which case the options may be exercised until the first anniversary
         following termination. Number of options granted to extent of annual
         $100,000 cap; options in excess of the cap granted as nonqualified
         options. Shares subject to the options granted vest over four years,
         with 25% vesting on December 31 of each year beginning December 31,
         1999.

(8)      Incentive stock options granted December 31, 1998, expiring December
         31, 2008, or if sooner, three months after termination of employment,
         unless employment is terminated because of death or disability, in
         which case the options may be exercised until the first anniversary
         following termination. Number of options granted to extent of annual
         $100,000 cap; options in excess of the cap granted as nonqualified
         options. Shares subject to options granted vest over three years
         beginning December 31, 2000, with 14%, 38% and 48% of such shares
         vesting on December 31, 2000, 2001 and 2002, respectively.

(9)      Nonqualified stock options granted January 1, 1998, expiring January
         1, 2008, or if sooner, three months after termination of employment,
         unless employment is terminated because of (1) death or disability, in
         which case the options may be exercised until the first anniversary
         following termination, or (2) retirement, in which case the options
         may be exercised up to the fifth anniversary following termination.
         Shares subject to the options granted vest over the next three years,
         with 52% of such shares vesting on December 31, 1999, 37% on December
         31, 2000 and 11% on December 31, 2001.



                                       9
<PAGE>   10

(10)     Nonqualified options granted December 31, 1998, expiring December 31,
         2008, or if sooner, three months after termination of employment,
         unless employment is terminated because of (1) death or disability, in
         which case the options may be exercised until the first anniversary
         following termination or (2) retirement, in which case the options may
         be exercised up to the fifth anniversary following termination.
         Options granted represent nonqualified options granted in conjunction
         with incentive options granted to the extent of the $100,000 cap.
         Shares subject to the options granted vest over the next four years,
         with 25% of such shares vesting on December 31 of each year, beginning
         December 31, 1999.

                AGGREGATED OPTION EXERCISES IN LAST FISCAL YEAR
                       AND FISCAL YEAR END OPTION VALUES

         The following table provides information about the stock options held
by the named executive officers on December 31, 1998.

<TABLE>
<CAPTION>
                                                            NUMBER OF SECURITIES       VALUE OF UNEXERCISED IN-THE
                       SHARES ACQUIRED    VALUE            UNDERLYING UNEXERCISED             MONEY OPTIONS
     NAME              ON EXERCISE (#)  REALIZED($)          OPTIONS AT FY-END                 AT FY-END (1)
     ----             ----------------  ------------    ---------------------------  -----------------------------------
                                                        EXERCISABLE   UNEXERCISABLE  EXERCISABLE($)     UNEXERCISABLE($)
                                                        -----------   -------------  --------------     ----------------

<S>                   <C>               <C>             <C>           <C>            <C>                <C>
Dennis B. Gillings              0                  0      103,403         53,702      3,898,660            630,081
Santo J. Costa             18,500            749,625      139,794         46,121      2,688,836            501,246
Lawrence S. Lewin               0                  0      101,866         33,602      1,637,052            446,440
Ludo J. Reynders           66,188          3,095,820       97,120         40,668      2,502,374            346,342
David F. White                  0                  0        5,495         37,509         96,324            557,535
</TABLE>

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

 (1)     The value of the options is based upon the difference between the
         exercise price and the closing price per share on December 31, 1998,
         $53.375.

DIRECTOR COMPENSATION

         Each non-officer director receives annually a grant of stock options
valued at $100,000 with the number of options determined in accordance with the
Black-Scholes method, provided that a reduction in the shares subject to the
option shall be made for each regular quarterly Board meeting and each
scheduled Board meeting by teleconference which the director fails to attend.
In addition, each non-officer director receives $3,000 quarterly for attendance
at each regular quarterly Board meeting, plus an annual retainer of $2,000,
which shall be reduced by $250 for a failure to attend each scheduled Board
meeting by teleconference held during the year. The Company reimburses each
director for out-of-pocket expenses incurred in connection with the rendering
of services as a director. Certain other financial relationships with directors
are described in "Certain Transactions."

EMPLOYMENT AGREEMENTS

         The Company has entered into employment agreements with Dr. Gillings,
Mr. Costa, Mr. Lewin, Mr. White and Dr. Reynders. The named executive officers
are also eligible to participate in any bonus, stock option, pension,
insurance, medical, dental, 401(k), disability and other plans generally made
available to the Company's executives.



                                      10
<PAGE>   11

         The employment agreement for Dr. Gillings extends for three years from
February 22, 1994 and automatically renews for additional and successive one
year terms unless either party provides 90 days' notice of their intent to
terminate prior to the expiration of the then-current term. The agreement
terminates upon Dr. Gillings' death, upon notice by the Company if Dr. Gillings
becomes permanently disabled, upon notice by the Company for cause, upon notice
by Dr. Gillings in the event of a change in control, as defined in his
employment agreement (provided Dr. Gillings terminates his employment within
one year following such change in control), upon notice by Dr. Gillings in the
event of the Company's material breach or improper termination of the
employment agreement and upon notice by Dr. Gillings if Dr. Gillings is not
elected Chairman of the Board and Chief Executive Officer of the Company. The
agreement provides for severance payments and continuation of benefits in the
event Dr. Gillings' termination is for permanent disability, change in control,
breach or improper termination by the Company, or for a change in position. In
such events, the Company must pay Dr. Gillings or his estate or beneficiaries
his full base salary then in effect and other benefits under the agreement for
the lesser of three years or the term of the non-compete covenant provided in
the agreement. The Company is not obligated to make any payments or provide
benefits to Dr. Gillings if the termination is for cause. The agreement
includes a three year (or such lesser period as the Board determines, but in no
event less than one year) non-compete provision pursuant to which Dr. Gillings
cannot compete with the Company in any geographic area in which the Company
does business and cannot solicit or interfere with the Company's relationship
with any person or entity doing business with the Company, or offer employment
to any person employed by the Company in the one year period prior to Dr.
Gillings' termination of employment. The agreement prohibits disclosure of any
confidential information acquired during the period of employment with the
Company.

         The Company entered into split-dollar life insurance agreements as of
May 16, 1996 with certain trusts (each a "Trust") created by Dr. Gillings,
pursuant to which the Company and the Trusts will share in the premium costs of
certain variable and whole life insurance policies (each a "Policy") that pay
an aggregate death benefit to the Trusts upon the death of Dr. Gillings or his
wife, Joan Gillings, whichever occurs later. The Trusts pay premiums on the
Policies as if each Policy were a one year term life policy, and the Company
pays the remaining premiums. The Company may cause this arrangement to be
terminated at any time upon 30 days' notice. Upon termination of the
arrangement, surrender of a Policy, or payment of the death benefit under a
Policy, the Company is entitled to repayment of an amount equal to the
cumulative premiums previously paid by the Company thereunder, with all
remaining amounts going to the Trust. Upon any surrender of a Policy, the
liability of the related Trust to the Company is limited to the cash value of
the Policy. See footnotes (4), (7) and (9) to the "Summary Compensation Table"
above for additional information on premium payments made by the Company under
the Policy.

         On April 1, 1994, Mr. Costa became President and Chief Operating
Officer of the Company. His employment agreement, as amended on November 4,
1994, extends for a three year term, beginning February 22, 1994, and
automatically renews for additional and successive one year terms unless either
party provides 90 days' notice of their intent to terminate prior to the
expiration of the then-current term. The agreement terminates upon the death of
Mr. Costa, upon notice by the Company if Mr. Costa becomes permanently
disabled, upon notice by the Company for cause, upon notice by Mr. Costa in the
event of a change in control, as defined in his employment agreement (provided
Mr. Costa terminates his employment six months after but within one year
following such change in control), upon notice by Mr. Costa in the event of the
Company's material breach, upon notice by Mr. Costa if Mr. Costa is not
appointed President and Chief Operating Officer of the Company and upon the
expiration of an uninterrupted period of at least six months if Mr. Costa is
required to perform his duties at a location outside of the Research Triangle
Park, North Carolina region or his duties are substantially diminished. The
agreement provides for severance payments and continuation of benefits in the
event Mr. Costa terminates the agreement due to permanent disability, change in
control, breach by the Company, change in position or relocation, in the event
it is terminated by the Company for any reason other than for cause,



                                      11
<PAGE>   12

or upon expiration of its term. In such events, the Company must pay Mr. Costa,
or his estate or beneficiaries, his full base salary then in effect for two
years and other benefits under the agreement, subject to certain limitations
and exceptions. The Company is not obligated to make any payments or provide
benefits to Mr. Costa if the termination is for cause. The agreement includes a
one-year non-compete provision following termination of employment and
prohibits disclosure of confidential information.

         The employment agreement between Mr. Lewin and The Lewin Group, Inc.
(the "Lewin Group") (a wholly-owned subsidiary of the Company) extends for
three years from April 18, 1996 and automatically renews for additional and
successive one year terms unless either party provides 90 days' notice of their
intent to terminate prior to the expiration of the then-current term. The
agreement terminates upon Mr. Lewin's death, in the event of Mr. Lewin's total
disability, upon notice by the Lewin Group for cause, or at the option of Mr.
Lewin, upon the sale by the Company of all or substantially all of the assets
of the Lewin Group to any entity other than an affiliate of the Company. If the
Lewin Group terminates Mr. Lewin's employment for any reason other than those
listed above, or Mr. Lewin terminates his own employment due to a breach of the
employment agreement by the Lewin Group, Mr. Lewin is entitled to his salary
for the remaining term of the employment agreement, plus, upon release of the
Lewin Group from obligations under the employment agreement, the greater of one
year's salary or the standard severance pay in effect, if any, at the time of
termination. If the Lewin Group decides not to renew the term of the employment
agreement, Mr. Lewin is entitled to the greater of one year's salary or the
standard severance pay in effect, if any, at the time of nonrenewal. The
agreement includes a non-compete provision for a term, ending at the later of
five years from April 18, 1996 or one year after termination of employment,
pursuant to which Mr. Lewin cannot, without the prior written consent of the
Lewin Group, compete with the Lewin Group or its affiliates, including the
Company (the "Lewin Affiliates"), in any geographic area in which the Lewin
Group or any Lewin Affiliate does business (subject to certain specified
exceptions) and cannot solicit or interfere with the Lewin Group's or any Lewin
Affiliate's relationship with any person or group doing business with the Lewin
Group or any Lewin Affiliate or offer employment to any person employed by the
Lewin Group or any Lewin Affiliate in the one year period prior to Mr. Lewin's
termination of employment. The agreement prohibits disclosure of any
confidential information acquired during the period of employment with the
Lewin Group or any Lewin Affiliate. The agreement also provides that upon the
request of the Lewin Group, Mr. Lewin will serve as a consultant to the Lewin
Group or any Lewin Affiliate, for a one year term after the termination of the
employment relationship.

         Dr. Reynders' employment agreement terminates upon either party
providing the other with twelve months' written notice. The employment
agreement with Dr. Reynders is terminable by the Company for cause. Dr.
Reynders' employment agreement provides that a minimum of 210 working days in
each calendar year must be spent in the discharge of his duties thereunder. Dr.
Reynders' employment agreement provides that he will not be connected with any
business similar to the Company's business within one year after his employment
terminates with the Company unless he has received the Company's consent. In
addition, for the year following termination, the agreement prohibits Dr.
Reynders from recruiting any individual employed by the Company during the year
prior to termination. The agreement also prohibits solicitation or interference
with the Company's relationship with any person or entity doing business with
the Company at any time during the year prior to termination. Dr. Reynders'
agreement contains a confidentiality provision that prohibits disclosure of
confidential information regarding the Company.

         Mr. White's employment agreement extends until Mr. White's 65th
birthday, unless it is terminated sooner by either Mr. White or the Company
upon 12 months' prior notice. The Company may terminate Mr. White immediately
upon written notice in the event of his incapacity, bankruptcy or resignation
from any office he holds in the Company or for cause. Mr. White's employment
agreement



                                      12
<PAGE>   13

prohibits disclosure of confidential information acquired during his
employment. The employment agreement also prohibits Mr. White from having any
interest in any business other than the Company during the term of his
employment without the prior consent of the Board of Directors, other than
equity investments in public companies which represent less than 5% of the
voting power of each such entity or any pre-existing business interest that is
not competitive with the Company and does not interfere with Mr. White's
ability to perform his duties on behalf of the Company. For a period of 18
months following termination of the agreement, the agreement prohibits Mr.
White from competing with the Company in the United Kingdom, the Channel
Islands, the Isle of Man, the Federal Republic of Germany and the United
States. In addition, for a two year period following such termination, Mr.
White cannot (i) solicit or provide competitive services to any person or
entity who was a customer of the Company in the two year period preceding
termination of the agreement, (ii) interfere with the Company's relationship
with its suppliers or (iii) solicit, interfere with or offer employment to any
person employed by the Company.



                                      13
<PAGE>   14

ITEM 12.      SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND
              MANAGEMENT

         The following table sets forth certain information, as of April 1,
1999, regarding shares of Common Stock of the Company owned of record or known
to the Company to be owned beneficially by each director, each person expected
to be nominated to serve as a director, each executive officer named in the
Summary Compensation Table in Item 11 and all current directors and executive
officers as a group. Except as set forth in the footnotes, each of the
shareholders identified in the table below has sole voting and investment power
over the shares beneficially owned by such person, except to the extent such
power may be shared with a spouse.

<TABLE>
<CAPTION>
                                                                           Shares                Percent
                Name                                                 Beneficially Owned(1)       of Class
                ----                                                 ------------------          --------
        <S>                                                          <C>                         <C>
        Dennis B. Gillings, Ph.D. (2)                                     6,031,871                 5.4%
        Santo J. Costa (3)                                                  200,477                   *
        Rachel R. Selisker (4)                                              153,849                   *
        Ludo J. Reynders, Ph.D. (5)                                         204,711                   *
        Lawrence S. Lewin (6)                                               118,590                   *
        David F. White (7)                                                  106,634                   *
        Robert C. Bishop, Ph.D. (8)                                          31,987                   *
        Chester W. Douglass, Ph.D. (9)                                      508,335                   *
        Arthur M. Pappas (10)                                                63,085                   *
        Vaughn D. Bryson (11)                                                 8,321                   *
        Virginia V. Weldon, M.D. (12)                                         4,805                   *
        Eric J. Topol, M.D. (13)                                              4,837                   *
        E.G.F. Brown (12)                                                     4,805                   *
        Fred C. Goad, Jr. (14)                                            1,106,711                   *
        Jim D. Kever (15)                                                 1,173,611                 1.0%
        William E. Ford (16)                                              3,269,263                 2.9%

        All current directors and executive officers as a                 7,492,886                 6.6%
        group (14 persons) (17)
</TABLE>

-------------------------
*Less than one percent

(1)      Pursuant to the rules of the Securities and Exchange Commission,
         certain shares of the Company's Common Stock which a person has the
         right to acquire within 60 days of the date shown above pursuant to
         the exercise of stock options are deemed to be outstanding for the
         purpose of computing the percentage ownership of such person but are
         not deemed outstanding for the purpose of computing the percentage
         ownership of any other person. Such shares are described below as
         being subject to presently exercisable stock options. A beneficial
         owner of shares held in the Company's Employee Stock Ownership Plan
         (the "ESOP") or Approved Profit Sharing Scheme has sole voting power
         over the shares held in his or her account, but shares investment
         power over the shares with the Trustee.
(2)      Includes 109,456 shares subject to presently exercisable stock options
         and 155,809 shares held by the Company's ESOP for Dr. Gillings'
         account. Includes 6,604 shares owned by Dr. Gillings' daughter,
         180,000 shares owned by the Gillings Family Limited Partnership, of
         which Dr. Gillings and his wife are the general partners, 2,200 shares
         held by the GFEF Limited Partnership, of which Dr. Gillings is the
         general partner, 197,418 shares owned by Dr. Gillings'



                                      14
<PAGE>   15

         wife and 834,766 shares owned by a Grantor Retained Annuity Trust
         under which Dr. Gillings is the beneficiary (the "GRAT"). Dr. Gillings
         disclaims beneficial ownership of all shares owned by his wife, all
         shares in the Gillings Family Limited Partnership, all shares owned by
         the GFEF Limited Partnership and all shares in the GRAT, except to the
         extent of his interest therein.
(3)      Includes 175,093 shares subject to presently exercisable stock options
         and 3,534 shares held by the Company's ESOP for Mr. Costa's account.
(4)      Includes 65,888 shares subject to presently exercisable stock options 
         and 42,597 shares held by the Company's ESOP for Ms. Selisker's
         account.
(5)      Includes 100,634 shares subject to presently exercisable stock
         options, 1,122 shares held by the Quintiles (UK) Limited Approved
         Profit Sharing Scheme for Dr. Reynders' account and 111 shares held by
         the Company's ESOP for Dr. Reynders' account.
(6)      Includes 117,363 shares subject to presently exercisable stock options
         and 1,115 shares held by the Company's ESOP for Mr. Lewin's account.
(7)      Includes 10,381 shares subject to presently exercisable stock options.
         Includes 35,520 shares owned by Mr. White's wife and 23,942 shares
         owned by a Trust for which Mr. White and his wife are trustees.
(8)      Includes 29,487 shares subject to presently exercisable stock options.
(9)      Includes 32,235 shares subject to presently exercisable stock options.
         Includes 93,600 shares owned by the Douglass Family Limited
         Partnership, of which Dr. Douglass is the sole general partner. Dr.
         Douglass disclaims beneficial ownership of the shares held by the
         limited partnership except to the extent of his pecuniary interest
         therein.
(10)     Includes 29,485 shares subject to presently exercisable stock options.
(11)     Includes 8,321 shares subject to presently exercisable stock options.
(12)     Includes 4,805 shares subject to presently exercisable stock options.
(13)     Includes 4,837 shares subject to presently exercisable stock options.
(14)     Includes 711,260 shares subject to presently exercisable stock 
         options, 89,432 shares held in a trust of which Mr. Goad is the
         trustee and a sole beneficiary and 15,304 shares owned by Mr. Goad's
         wife. Mr. Goad disclaims beneficial ownership of the shares held by
         his wife.
(15)     Includes 635,470 shares subject to presently exercisable stock options
         and 69,960 shares in a trust of which Mr. Kever is the trustee and the
         sole beneficiary.
(16)     Includes 4,464 shares subject to presently exercisable stock options.
         Also includes 2,818,421 shares owned by General Atlantic Partners 25,
         L.P. ("GAP 25"), whose general partner is General Atlantic Partners,
         LLC ("GAP LLC"). Mr. Ford is a managing member of GAP LLC. Includes
         446,378 shares owned by GAP Coinvestment Partners, L.P. ("GAPCO"), of
         which Mr. Ford is a general partner. GAP 25, GAP LLC and GAPCO are a
         "group" within the meaning of Rule 13d-5 of the Securities and
         Exchange Act of 1934, as amended. Mr. Ford disclaims beneficial
         ownership of all such securities except to the extent of this
         pecuniary interest therein.
(17)     Includes 741,368 shares subject to presently exercisable stock options
         and 206,289 shares held by the Company's ESOP and Approved Profit
         Sharing Scheme for the accounts of individual executive officers.



                                      15
<PAGE>   16

ITEM 13.      CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

         On March 30, 1999, the Company acquired all of the outstanding shares
of ENVOY in exchange for approximately 28,465,160 shares of the Company's
Common Stock. Messrs. Goad, Kever, and Ford, each of whom is anticipated to be
nominated to serve as a director of the Company pursuant to the ENVOY
Agreement, served as directors of ENVOY prior to the share exchange. In
addition, Mr. Goad served as ENVOY's Chairman and Co-Chief Executive Officer
and Mr. Kever served as ENVOY's President and Co-Chief Executive Officer. As a
result of the share exchange, Mr. Goad received 209,715 shares of the Company's
Common Stock and fully vested stock options covering 711,260 shares of the
Company's Common Stock. In addition, a trust of which Mr. Goad is the trustee
and a sole beneficiary received 89,432 shares of the Company's Common Stock and
Mr. Goad's wife received 15,304 shares of the Company's Common Stock. Mr. Kever
received 468,181 shares of the Company's Common Stock and fully vested stock
options covering 635,470 shares of the Company's Common Stock. In addition, a
trust of which Mr. Kever is the trustee and the sole beneficiary received
69,960 shares of the Company's Common Stock. GAP 25, whose general partner is
GAP LLC, of which Mr. Ford is a managing member, received 2,818,421 shares of
the Company's Common Stock and GAPCO, of which Mr. Ford is a general partner,
received 446,378 shares of the Company's Common Stock. Mr. Ford received fully
vested stock options covering 4,464 shares of the Company's Common Stock. All
of the stock options received in the share exchange by Messrs. Goad, Kever and
Ford are exercisable in the next 60 days.

         Prior to March 15, 1995, Mr. Pappas and the Company were parties to a
consulting agreement dated July 11, 1994. Effective March 15, 1995, A.M. Pappas
& Associates, LLC ("AMP&A") entered into a new Consulting Agreement with the
Company (the "1995 Consulting Agreement"). The 1995 Consulting Agreement
superseded the July 11, 1994 consulting agreement. In compliance with the terms
of the 1995 Consulting Agreement, the Company granted Mr. Pappas stock options
on March 15, 1995 covering 40,000 shares of the Company's Common Stock at an
exercise price of $8.75 per share which vested 50% on March 15, 1995, 75% on
March 15, 1996 and 100% on March 15, 1997. Fifty percent of the fees invoiced
during any twelve-month period are deemed satisfied by the stock options
granted on March 15, 1995 as described above up to a maximum of $100,000 per
twelve-month period. The minimum aggregate consulting fee (exclusive of
expenses) is $200,000 per twelve-month period. AMP&A has agreed not to invoice
the Company for fees in excess of $220,000 per twelve-month period without the
Company's prior consent. The Company has agreed to reimburse AMP&A for all
reasonable out-of-pocket and administrative expenses incurred in performing
under the 1995 Consulting Agreement. In 1998, pursuant to the 1995 Consulting
Agreement, the Company incurred consultantcy fees of $156,948 payable in cash,
plus expenses of $15,576. AMP&A continues to provide consulting services to the
Company substantially in accordance with the terms of the 1995 Consulting
Agreement. The 1995 Consulting Agreement expired in accordance with its terms
in March 1998. The Company is currently negotiating new consulting arrangements
with AMP&A.

         The Company is a limited partner in TechAMP International, L.P.
("TechAMP"), a fund organized to make venture capital investments in the equity
securities of private companies in the life science sector. TechAMP is managed
by its general partner, AMP&A Management, LLC, an affiliate of AMP&A. The
Company has committed to invest an aggregate of $8 million in TechAMP. As a
limited partner, the Company will make capital contributions under this
commitment from time to time at the request of the fund's general partner. In
November 1998, the Company made a capital contribution of $240,000 to TechAMP.

         In November 1997, the Company signed a preferred provider agreement
with The Cleveland Clinic Foundation, pursuant to which The Cleveland Clinic
will work with the Company as a preferred provider for investigator services in
certain therapeutic areas, including cardiology, AIDS, cancer and molecular
genetics, and the Company will work with The Cleveland Clinic as a preferred
provider for contract drug development services. Dr. Topol is Chairman of the
Department of Cardiology and a co-director of the Heart Center at The Cleveland
Clinic. In 1998, pursuant to the 1997 preferred provider agreement, the Company
incurred fees of $31,848, all of which were paid in 1998.



                                      16
<PAGE>   17

                                   SIGNATURES


         Pursuant to the requirements of Section 13 or 15(d) 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.

Date:   April 30, 1999             QUINTILES TRANSNATIONAL CORP.



                                   By:     /s/ Rachel R. Selisker
                                      -----------------------------------------
                                      Rachel R. Selisker
                                      Chief Financial Officer and Executive
                                      Vice President Finance



                                      17