Trials / Completed
CompletedNCT00000324
Tryptophan and Behavior Therapy for Cocaine Abuse - 1
Tryptophan and Behavior Therapy for Cocaine Abuse
- Status
- Completed
- Phase
- Phase 2
- Study type
- Interventional
- Enrollment
- 200 (planned)
- Sponsor
- National Institute on Drug Abuse (NIDA) · NIH
- Sex
- All
- Age
- 18 Years – 55 Years
- Healthy volunteers
- Not accepted
Summary
The purpose of this study is to assess the efficacy of tryptophan vs. placebo, and voucher payments vs. a control condition, in the treatment of cocaine dependence.
Detailed description
This clinical trial uses a 2 by 2 design to compare tryptophan to placebo, and voucher incentives vs. a control condition, in the outpatient treatment of cocaine dependence- using a relapse prevention model of treatment intervention.
Conditions
Interventions
| Type | Name | Description |
|---|---|---|
| DRUG | Tryptophan |
Timeline
- Start date
- 1997-03-01
- Completion
- 2001-04-01
- First posted
- 1999-09-21
- Last updated
- 2017-01-12
Locations
1 site across 1 country: United States
Source: ClinicalTrials.gov record NCT00000324. Inclusion in this directory is not an endorsement.