AMENDMENT

                                   May 26, 1999

                  THIS AMENDMENT  modifies and amends the  Employment  Agreement
(the "Agreement") by and between DENDRITE  INTERNATIONAL,  INC. ("Dendrite") and
MARK CIEPLIK  ("Employee").  Unless otherwise defined herein,  capitalized terms
used herein shall have their respective meanings set forth in the Agreement.

                  The parties hereby agree as follows:

                  1. The Agreement is hereby modified to include the following:

23.  VESTING OF STOCK OPTIONS UPON "CHANGE IN CONTROL"

                  Notwithstanding  anything to the  contrary,  in the event of a
"Change in Control" (as defined below),  all of Employee's  options owned by him
at the time of such event  shall  immediately  vest.  For the  purposes  of this
Agreement,  "Change  in  Control"  shall mean the  occurrence  of any one of the
following events:

                  (i) any "person"  (as such term is defined in Section  3(a)(9)
         of the  Securities  and Exchange Act of 1934, as amended (the "Exchange
         Act"),  and as used in Sections  13(d)(3)  and 14(d)(2) of the Exchange
         Act) is or becomes a "beneficial owner" (as defined in Rule 13d-3 under
         the Exchange Act),  directly or  indirectly,  of securities of Dendrite
         representing 33-1/3% or more of the combined voting power of Dendrite's
         then  outstanding  securities  eligible to vote for the election of the
         Board (the "Dendrite Voting Securities");  provided,  however, that the
         event  described  in this  paragraph  (i)  shall  not be deemed to be a
         Change in Control by virtue of any of the following  acquisitions:  (A)
         by  Dendrite  or  any  subsidiary,  (B) by any  employee  benefit  plan
         sponsored  or  maintained  by  Dendrite or any  subsidiary,  (C) by any
         underwriter  temporarily  holding securities pursuant to an offering of
         such securities,  (D) pursuant to a Non-Control Transaction (as defined
         in paragraph (iii)), or (E) a transaction  (other than one described in
         (iii) below) in which  Dendrite  Voting  Securities  are acquired  from
         Dendrite,  if a majority  of the  Incumbent  Board (as  defined  below)
         approves a resolution providing expressly that the acquisition pursuant
         to this clause (E) does not  constitute a Change in Control  under this
         paragraph (i);

                  (ii) individuals who, on the effective date of this Agreement,
         constitute  the Board (the  "Incumbent  Board") cease for any reason to
         constitute  at least a  majority  thereof,  provided  that  any  person
         becoming a director subsequent to the Effective Date, whose election or
         nomination  for election was approved by a vote of at least  two-thirds
         of the directors  comprising the Incumbent  Board (either by a specific
         vote or by  approval of the proxy  statement  of Dendrite in which such
         person is named as a nominee for  director,  without  objection to such
         nomination)  shall be  considered  a  member  of the  Incumbent  Board;
         provided, however, that no individual initially elected or nominated as
         a director of Dendrite as a result of an actual or threatened  election
         contest with  respect to  directors  or any other actual or  threatened
         solicitation of proxies or consents by or on behalf of any person other
         than the Board shall be deemed to be a member of the Incumbent Board;

                  (iii)  the   shareholders   of  Dendrite   approve  a  merger,
         consolidation,   share   exchange   or   similar   form  of   corporate
         reorganization  of Dendrite or any such type of  transaction  involving
         Dendrite or any of its  subsidiaries  (whether for such  transaction or
         the  issuance  of  securities  in  the  transaction  or  otherwise)  (a
         "Business  Combination"),  unless  immediately  following such Business
         Combination:  (A)  more  than  50% of the  total  voting  power  of the
         publicly traded  corporation  resulting from such Business  Combination
         (including,  without  limitation,  any  corporation  which  directly or
         indirectly  has  beneficial   ownership  of  100%  of  Dendrite  Voting
         Securities  or all or  substantially  all of the assets of Dendrite and
         its subsidiaries) eligible to elect directors of such corporation would
         be  represented  by  shares  that  were  Dendrite   Voting   Securities
         immediately  prior to such  Business  Combination  (either by remaining
         outstanding  or being  converted),  and such  voting  power would be in
         substantially  the same proportion as the voting power of such Dendrite
         Voting Securities immediately prior to the Business Combination, (B) no
         person (other than any publicly traded holding  company  resulting from
         such  Business  Combination,  any employee  benefit  plan  sponsored or
         maintained by Dendrite (or the corporation resulting from such Business
         Combination), or any person which beneficially owned, immediately prior
         to such Business Combination,  directly or indirectly,  33-1/3% or more
         of Dendrite Voting Securities (a "Dendrite 33-1/3% Stockholder")) would
         become the beneficial owner, directly or indirectly, of 33-1/3% or more
         of the total voting power of the outstanding voting securities eligible
         to elect  directors of the  corporation  resulting  from such  Business
         Combination  and no Dendrite  33-1/3%  Stockholder  would  increase its
         percentage of such total voting  power,  and (C) at least a majority of
         the members of the board of directors of the corporation resulting from
         such Business  Combination  would be members of the Incumbent  Board at
         the  time of the  Board's  approval  of the  execution  of the  initial
         agreement  providing  for such  Business  Combination  (a  "Non-Control
         Transaction"); or

                  (iv) the  shareholders of Dendrite  approve a plan of complete
         liquidation  or  dissolution  of Dendrite or the sale or disposition of
         all or substantially all of Dendrite's assets.

Notwithstanding  the  foregoing,  a Change in Control of  Dendrite  shall not be
deemed to occur solely because any person acquires beneficial  ownership of more
than 33-1/3% of Dendrite  Voting  Securities as a result of the  acquisition  of
Dendrite Voting Securities by Dendrite which, by reducing the number of Dendrite
Voting Securities  outstanding,  increases the percentage of shares beneficially
owned by such person;  provided,  that if a Change in Control of Dendrite  would
occur as a result of such an  acquisition  by Dendrite (if not for the operation
of this  sentence),  and after  Dendrite's  acquisition  such person becomes the
beneficial  owner of additional  Dendrite  Voting  Securities that increases the
percentage of outstanding Dendrite Voting Securities  beneficially owned by such
person, then a Change in Control of Dendrite shall occur.

24.      SEVERANCE  FOLLOWING  TERMINATION OF EMPLOYMENT  FOLLOWING A "CHANGE IN
         CONTROL" "WITHOUT CAUSE" OR FOR "GOOD REASON"

                  (a) The following  severance payment only applies in the event
of a Change in Control. If Employee's  employment hereunder is terminated within
one (1) year  following a Change in Control (i) by Dendrite for any reason other
than death, Cause, or Disability (each as defined below) or (ii) by Employee for
Good  Reason (as  defined  below),  the  Employee  shall be  entitled to receive
severance payments in an aggregate amount equal to the sum of twelve (12) months
base salary  (calculated  at the rate of base salary then being paid to Employee
as of the date of  termination).  The severance  payments to be paid to Employee
under  this  Section  shall be  referred  to herein as the  "Change  in  Control
Severance Payment". Employee's Change In Control Severance Payment shall be paid
by Dendrite in cash in twelve (12) consecutive equal monthly payments commencing
not later than thirty (30) days after the effective  date of the  termination of
Employee's employment. No interest shall accrue or be payable on or with respect
to any Change in Control  Severance  Payment.  In the event of a termination  of
Employee's  employment  described in this  Section,  Employee  shall be provided
continued  "COBRA"  coverage  pursuant  to  Sections  601 et seq. of ERISA under
Dendrite's  group  medical and dental  plans.  During the period which  Employee
receives  the  Change in Control  Severance  Payment,  Employee's  cost of COBRA
coverage  shall be the same as the amount paid by  employees of Dendrite for the
same coverage under  Dendrite's  group health and dental plans.  Notwithstanding
the foregoing,  in the event Employee becomes  re-employed with another employer
and becomes eligible to receive health coverage from such employer,  the payment
of COBRA  coverage by Dendrite as described  herein  shall  cease.  In the event
Employee is entitled to the Change in Control  Severance Payment as set forth in
this Section,  Employee  shall not be entitled to any other  severance  payments
from Dendrite.

                  (b) The  making of any  Change in  Control  Severance  Payment
under this Section is conditioned  upon the signing of a general release in form
and substance  satisfactory to Dendrite under which Employee  releases  Dendrite
and  its  affiliates  together  with  their  respective   officers,   directors,
shareholders,  employees,  agents and  successors  and assigns  from any and all
claims he may have  against  them.  In the event  Employee  breaches  any of the
covenants or agreements  contained in this  Agreement,  in addition to any other
remedies at law or in equity,  Dendrite  may cease  making any Change in Control
Severance Payment otherwise due under this Section.  Nothing herein shall affect
any of Employee's obligations or Dendrite's rights under this Agreement.

                  (c) For  purposes  of this  Agreement,  "Cause" as used herein
shall mean (i) any gross  misconduct on the part of Employee with respect to his
duties  under this  Agreement,  (ii) the  engaging by Employee in an  indictable
offense  which  relates to  Employee's  duties under this  Agreement or which is
likely to have a material adverse effect on the business of Dendrite,  (iii) the
commission  by Employee of any willful or  intentional  act which injures in any
material  respect or could  reasonably  be  expected  to injure in any  material
respect  the  reputation,   business  or  business  relationships  of  Dendrite,
including without limitation,  a breach of any of his covenants or agreements of
this  Agreement,  or (iv) the engaging by Employee  through gross  negligence in
conduct  which  injures  materially  or could  reasonably  be expected to injure
materially the business or reputation of Dendrite.

                  (d) For  purposes  of this  Agreement,  "Good  Reason" as used
herein shall mean, without Employee's express written consent, concurrently with
or within one (1) year following a "Change in Control" (as defined  above),  the
occurrence of any of the following events which is not corrected within ten (10)
days following notice of such event given by Employee to Dendrite:

                  (i)   the   assignment   to   Employee   of  any   duties   or
         responsibilities  materially and adversely inconsistent with Employee's
         position   (including  any  material   diminution  of  such  duties  or
         responsibilities)  or a  material  and  adverse  change  in  Employee's
         reporting responsibilities, titles or offices with Dendrite;

                  (ii) any material  breach by Dendrite of this  Agreement  with
         respect to the making of any compensation payments;

                  (iii) any  requirement  of  Dendrite  that  Employee  be based
         anywhere  other than in a thirty-five  (35) mile radius of the Dendrite
         office  Employee is based in on the date of  consummation of the Change
         in Control;

                  (iv) the  failure  of  Dendrite  to  continue  in  effect  any
         employee  benefit  plan,  compensation  plan,  welfare  benefit Plan or
         fringe  benefit  plan (such plans being  referred to herein as "Welfare
         Plans") in which Employee is  participating as of the effective date of
         this Agreement (or as such benefits and  compensation  may be increased
         from time to time), or the taking of any action by Dendrite which would
         materially  and  adversely  affect   Employee's   participation  in  or
         materially reduce  Employee's  benefits under such Welfare Plans (other
         than an  across-the-board  reduction of such benefits  affecting senior
         executives of Dendrite) unless (i) Employee is permitted to participate
         in  other  plans  providing  Employee  with  substantially   comparable
         benefits (at substantially  comparable cost with respect to the Welfare
         Plans),  (ii) any such Welfare Plan does not provide material  benefits
         to Employee  (determined  in relation to Employee's  compensation.  and
         benefits  package),  (iii)  such  failure  or  action  is  taken at the
         direction  of Employee  or with his  consent,  or (iv) such  failure or
         action is required by law; or

                  (v) the  failure of  Dendrite  to obtain an  agreement  from a
         successor   employer  to  assume  Dendrite's   obligations  under  this
         Agreement in the event of a "Change in Control".

Employee  must notify  Dendrite  of any event  constituting  Good Reason  within
ninety (90) days  following  Employee's  knowledge  of its  existence,  it being
understood  that  Employee's  failure  to do so shall  deem  such  event  not to
constitute Good Reason under this Agreement.

                  (e) For purposes of this Agreement,  "Disabled" as used herein
shall have the same meaning as that term, or such substantially equivalent term,
has in any group  disability  policy  carried  by  Dendrite.  If no such  policy
exists,  the term "Disabled" shall mean the occurrence of any physical or mental
condition  which  materially  interferes  with  the  performance  of  Employee's
customary  duties in his capacity as an employee where such  disability has been
in effect for a consecutive six (6) month period (excluding  permitted  vacation
time), the existence of which is supported by credible medical evidence.

                  2. Except as expressly modified by this Amendment,  all of the
terms and conditions of the Agreement shall remain in full force and effect.

                  IN WITNESS WHEREOF,  the parties have signed this Amendment as
of the first date written above.

                                DENDRITE INTERNATIONAL, INC.


                                      JOHN E. BAILYE
                                ___________________________________________
                                Name:
                                Title:


                                             MARK CIEPLIK
                                ___________________________________________
                                             MARK CIEPLIK