- Conditions
- Cocaine Abuse, Cocaine-Related Disorders
- Interventions
- Modafinil, Levodopa/Carbidopa, Naltrexone HCl, Placebo, Motivational Interviewing (MI), Contingency management (CM), Cognitive-Behavioral Therapy (CBT)
- Drug · Behavioral
- Lead sponsor
- The University of Texas Health Science Center, Houston
- Other
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 101 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2006 – 2012
- U.S. locations
- 1
- States / cities
- Houston, Texas
Search Results
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 25–48
of 24
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Substance Use Disorders, HIV
- Interventions
- PrEP navigation + text messaging, Standard of Care, Contingency Management
- Behavioral
- Lead sponsor
- Friends Research Institute, Inc.
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 152 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Cardiovascular Diseases
- Interventions
- Fruit and vegetable voucher
- Behavioral
- Lead sponsor
- Stanford University
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 313 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2019
- U.S. locations
- 2
- States / cities
- San Francisco, California • Stanford, California
- Conditions
- Diabetes Mellitus, Diabetes Mellitus, Type 2, Poverty
- Interventions
- Fruit and Vegetable Prescription
- Behavioral
- Lead sponsor
- Wholesome Wave
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 200 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2023
- U.S. locations
- 1
- States / cities
- Sacramento, California
- 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
- Cancer
- Interventions
- Nutrition Assistance Program
- Other
- Lead sponsor
- Stanford University
- Other
- Eligibility
- 18 Years to 99 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- Stanford, California
- Conditions
- Gambling Disorder, Gambling Problem
- Interventions
- Contingency management, Cognitive behavioral therapy/ treatment as usual
- Behavioral
- Lead sponsor
- East Tennessee State University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 80 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2027
- U.S. locations
- 1
- States / cities
- Johnson City, Tennessee
- Conditions
- Alcohol Abuse, Alcohol Intervention, Transdermal Alcohol Monitoring, Contingency Management, Deposit Contract
- Interventions
- Deposit Contract, Transdermal Alcohol Monitoring
- Behavioral · Other
- Lead sponsor
- The University of Texas Health Science Center at San Antonio
- Other
- Eligibility
- 21 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2025
- U.S. locations
- 2
- States / cities
- Denton, Texas • San Antonio, Texas
- Conditions
- Opioid-Dependence Among Adolescents
- Interventions
- buprenorphine, naltrexone, behavior therapy, voucher-based contingency management
- Drug · Procedure
- Lead sponsor
- National Development and Research Institutes, Inc.
- Other
- Eligibility
- 13 Years to 18 Years
- Enrollment
- 80 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- Started 2005
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Food Security, Produce Consumption
- Interventions
- Market vouchers
- Behavioral
- Lead sponsor
- University of Wyoming
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2020
- U.S. locations
- 1
- States / cities
- Laramie, Wyoming
- Conditions
- Drug Addiction
- Interventions
- Enhanced care, control
- Behavioral
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 158 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2010
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Hypertension
- Interventions
- Grocery Vouchers
- Behavioral
- Lead sponsor
- Duke University
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 97 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024
- U.S. locations
- 2
- States / cities
- New Orleans, Louisiana
- Conditions
- Whooping Cough
- Interventions
- Full price, $5 off
- Other
- Lead sponsor
- Children's Hospital of Philadelphia
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 149 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2015
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Cocaine-Related Disorders, Opioid-Related Disorders, Substance-Related Disorders
- Interventions
- Buprenorphine, methadone
- Drug
- Lead sponsor
- Yale University
- Other
- Eligibility
- Not listed
- Enrollment
- 168 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1995 – 1999
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Nicotine Dependence, Psychotic Disorders
- Interventions
- Contingency Management, Reward
- Behavioral
- Lead sponsor
- US Department of Veterans Affairs
- Federal
- Eligibility
- 18 Years and older
- Enrollment
- 23 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2012
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Cigarette Smoking
- Interventions
- Best practices, financial incentives
- Behavioral
- Lead sponsor
- University of Vermont
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 257 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2020
- U.S. locations
- 1
- States / cities
- Burlington, Vermont
- Conditions
- Cocaine Dependence
- Interventions
- Contingency Management
- Behavioral
- Lead sponsor
- University of Vermont
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 124 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2014
- U.S. locations
- 1
- States / cities
- Burlington, Vermont
- Conditions
- Substance Abuse
- Interventions
- Nicotine Replacement Treatment (NRT), Brief Advice, Contingency Management, Non-Contingent Reinforcement
- Drug · Behavioral
- Lead sponsor
- Brown University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 340 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2014
- U.S. locations
- 1
- States / cities
- Providence, Rhode Island
- Conditions
- Cocaine Dependence
- Interventions
- Behavioral therapy
- Behavioral
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years to 50 Years · Female only
- Enrollment
- 145 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1994 – 2002
- U.S. locations
- 2
- States / cities
- New Haven, Connecticut
- Conditions
- Diabetes Mellitus, Type 2, Obesity
- Interventions
- WW Intervention, Usual Care
- Behavioral · Other
- Lead sponsor
- Pennington Biomedical Research Center
- Other
- Eligibility
- 18 Years to 75 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2024
- U.S. locations
- 3
- States / cities
- Baton Rouge, Louisiana • Greensboro, North Carolina • Pittsburgh, Pennsylvania
- Conditions
- Obesity & Overweight
- Interventions
- Summer Day Camp
- Behavioral
- Lead sponsor
- University of Central Florida
- Other
- Eligibility
- 5 Years to 11 Years
- Enrollment
- 80 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Orlando, Florida
- Conditions
- Cocaine Dependence
- Interventions
- Modafinil, Sugar Pill, Contingency Management, Methadone, cognitive behavioral treatment, Voucher Control
- Drug · Behavioral
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 91 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2014
- U.S. locations
- 1
- States / cities
- West Haven, Connecticut
- Conditions
- Cancer, Diet, Healthy, Nutrition, Healthy
- Interventions
- Food pantry referrals, No-prep, ready-to-eat meals, Vouchers
- Other
- Lead sponsor
- University of Texas Southwestern Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 45 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- Dallas, Texas
- Conditions
- Cocaine Use Disorder
- Interventions
- Prize-Based Contingency Management, Treatment As Usual Outpatient Substance Use Treatment
- Behavioral
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 63 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2024
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania