Tryptophan and Behavior Therapy for Cocaine Abuse - 1

National Institutes of Health (NIH)

Status and phase: Completed; Phase 2

Conditions: Cocaine-Related Disorders

Treatments: Drug: Tryptophan

Study type: Interventional

Funder types: Other; NIH

Identifiers

NCT00000324

R01-10754-1

NIDA-10754-1

Details and patient eligibility

About

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.

Full 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.

Sex: All

Ages: 18 to 55 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Cocaine dependent

Exclusion criteria

• Physically dependent on drugs of abuse other than cocaine
• Significant medical or psychiatric illness (besides substance abuse disorder)
• Pregnant