Summary of Oral Employment Agreement with Walter Lewko

     Walter Lewko,  Ph.D.,  is the principal  biochemist/immunologist  of Cancer
Therapeutics,  Inc. Dr.  Lewko is paid $3,274 per month as an at-will  employee.
Cancer  Therapeutics  and Dr. Lewko have not entered  into a written  employment
agreement,  and either Cancer Therapeutics or Dr. Lewko may terminate their oral
employment agreement at any time, for any reason or for no reason.

     Dr. Lewko does not receive any health,  dental or life insurance  benefits,
and he does not  receive  any  retirement  or  severance  benefits  from  Cancer
Therapeutics.