- Conditions
- Cocaine-Related Disorders
- Interventions
- Ritanserin
- Drug
- Lead sponsor
- University of Pennsylvania
- Other
- Eligibility
- 28 Years to 47 Years · Male only
- Enrollment
- 80 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- Started 1992
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
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