Overview Effects of Phenytoin on Cocaine Use in Humans - 2 Status: Completed Trial end date: 2001-12-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine the effects of phenytoin on the self-administration of smoked cocaine. Phase: Phase 1 Details Lead Sponsor: National Institute on Drug Abuse (NIDA)Collaborators: University of MinnesotaUniversity of Minnesota - Clinical and Translational Science InstituteTreatments: CocainePhenytoin