- Conditions
- Cocaine Dependence
- Interventions
- levodopa, Placebo, Cognitive Behavioral Therapy, Contingency Management
- Drug · Behavioral
- Lead sponsor
- The University of Texas Health Science Center, Houston
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 85 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2011
- U.S. locations
- 1
- States / cities
- Houston, Texas
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- Conditions
- Substance Related Disorders, Drug Addiction, Substance Abuse
- Interventions
- Cash CM, Voucher CM
- Behavioral
- Lead sponsor
- Treatment Research Institute
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 352 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2013
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- HIV Infections, Opioid Use, Trauma, Psychological
- Interventions
- Expressive Writing, Contingency Management
- Behavioral
- Lead sponsor
- Drexel University
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 219 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2026
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Smoking Cessation, Smoking, Tobacco, Smoking Reduction
- Interventions
- Contingency Management - Increasing, Fixed payments
- Behavioral
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 83 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2024
- U.S. locations
- 2
- States / cities
- San Francisco, California
- Conditions
- Breastfeeding
- Interventions
- Contingency Management
- Behavioral
- Lead sponsor
- Treatment Research Institute
- Other
- Eligibility
- 15 Years to 44 Years · Female only
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2016
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania