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ClinicalTrials.gov public records Last synced Oct 17, 2026, 3:46 PM EDT

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Showing 1–24 of 157 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Voucher Clear all
Recruiting Not applicable Interventional

Impact of Food Assistance on Treatment Adherence and Clinical Outcomes in Food-Insecure Cancer Pts

NCT07706192
View directory record Official record
Conditions
Treatment Adherence
Interventions
Food Assistance Program, Standard of Care
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2035
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Oct 17, 2026, 3:46 PM EDT
Recruiting Not applicable Interventional

Feasibility and Acceptability of a Pediatric Referral to Summer Day Camps to Treat Obesity in Children From Low-Income Households

NCT07464015
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 17, 2026, 3:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Keiki (Pediatric) Produce Prescription (KPRx) Program Hawaii

NCT05442424
View directory record Official record
Conditions
Malnutrition, Child, Obesity, Food Selection, Nutrition Poor
Interventions
Produce Voucher, Wait-List Control
Behavioral
Lead sponsor
University of Hawaii
Other
Eligibility
2 Years to 8 Years
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 17, 2026, 3:46 PM EDT
Completed Not applicable Interventional Results available

Efficacy of Computer Delivered Community Reinforcement Approach (CRA) (Bup II)

NCT00929253
View directory record Official record
Conditions
Opiate Addiction
Interventions
Suboxone, CRA, Therapy, CM
Drug · Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
18 Years and older
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated May 27, 2022 · Synced Oct 17, 2026, 3:46 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Vouchers to Promote Tdap Vaccination

NCT01860378
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 3, 2015 · Synced Oct 17, 2026, 3:46 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Family Intervention to Prevent Childhood Obesity

NCT05606731
View directory record Official record
Conditions
Childhood Obesity
Interventions
Family-Based Childhood Obesity Intervention
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
2 Years and older
Enrollment
182 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 10, 2025 · Synced Oct 17, 2026, 3:46 PM EDT
Terminated Not applicable Interventional

ASK-PrEP (Assistance Services Knowledge-PrEP)

NCT05934877
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Oct 17, 2026, 3:46 PM EDT
Not listed Phase 2 Interventional

Science-Based Treatment for Opioid-Dependent Adolescents

NCT00182572
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 12, 2008 · Synced Oct 17, 2026, 3:46 PM EDT
Completed Not applicable Interventional Results available

Contingency Management for Smoking in Substance Abusers

NCT00807742
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 23, 2019 · Synced Oct 17, 2026, 3:46 PM EDT
Completed Not applicable Interventional Results available

Tanglewood Trail Walking Program in Rural Kentucky 2019

NCT05002972
View directory record Official record
Conditions
Dietary Habits
Interventions
walking group led by a community organizer
Behavioral
Lead sponsor
Dawn Brewer
Other
Eligibility
18 Years to 65 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Oct 17, 2026, 3:46 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Pharmacotherapy & CM for Opioid and Cocaine Dependence

NCT00838981
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 3, 2021 · Synced Oct 17, 2026, 3:46 PM EDT
Recruiting Not applicable Interventional

More Fresh Fruit and Vegetable Prescription Program for Families With Type 2 Diabetes Mellitus

NCT05138432
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Fruit and Vegetable Prescription Voucher
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
Up to 18 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Nov 19, 2025 · Synced Oct 17, 2026, 3:46 PM EDT
Not yet recruiting Not applicable Interventional

Combining Social Network Strategies and Routine Substance Use Screening

NCT07414459
View directory record Official record
Conditions
HIV, Substance Use Disorder (SUD)
Interventions
Substance use disorder screening, Social network intervention
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Male only
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 17, 2026, 3:46 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Cardiometabolic Effects of Pecans as a Snack

NCT05071807
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
Pecans, Usual Care
Drug · Other
Lead sponsor
Penn State University
Other
Eligibility
25 Years to 70 Years
Enrollment
138 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 25, 2025 · Synced Oct 17, 2026, 3:46 PM EDT
Completed Not applicable Interventional Results available

Long-term Behavior Change - 1

NCT00158197
View directory record Official record
Conditions
Amphetamine-related Disorders
Interventions
contingency management voucher
Behavioral
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years to 65 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
2
States / cities
Los Angeles, California • Rancho Cucamonga, California
Source: ClinicalTrials.gov public record
Updated Aug 25, 2015 · Synced Oct 17, 2026, 3:46 PM EDT
Not yet recruiting Not applicable Interventional

Produce Rx in High Risk Pregnant Mothers at Harris Health

NCT07165990
View directory record Official record
Conditions
Gestational Diabetes Mellitus
Interventions
Food is Medicine (FIM) Intervention, Standard of Care
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Oct 17, 2026, 3:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

WIC-Based Intervention to Promote Healthy Eating Among Low-Income Mothers

NCT04038385
View directory record Official record
Conditions
Cancer Prevention, Diet Modification, Vegetable Intake
Interventions
Multilevel Behavioral Intervention
Behavioral
Lead sponsor
William Paterson University of New Jersey
Other
Eligibility
18 Years to 99 Years
Enrollment
297 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Paterson, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 17, 2026, 3:46 PM EDT
Completed Phase 2 Interventional Results available

Concurrent Alcohol and Smoking Treatment: Effects on Alcohol Relapse Risk

NCT00861146
View directory record Official record
Conditions
Tobacco Use Cessation, Alcohol-related Disorders
Interventions
behavioral counseling plus contingency management
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
151 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
2
States / cities
Newington, Connecticut • West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 3, 2020 · Synced Oct 17, 2026, 3:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

FoodRx for Obesity Treatment

NCT05635019
View directory record Official record
Conditions
Obesity, Food Insecurity
Interventions
BWL+VOUCHER, BWL+HOME, Behavioral weight loss counseling (BWL)
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Oct 17, 2026, 3:46 PM EDT
Completed Not applicable Interventional Results available

Prolonged Exposure Therapy for PTSD and Opioid Use Disorder

NCT04104022
View directory record Official record
Conditions
Post Traumatic Stress Disorder, Opioid-use Disorder
Interventions
Prolonged Exposure Therapy, Attendance-based monetary incentives
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 17, 2026, 3:46 PM EDT
Not yet recruiting Not applicable Interventional

Contingency Management to Reinforce Attendance to Cognitive Behavioral Treatment for Gambling Disorder

NCT07016100
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 15, 2025 · Synced Oct 17, 2026, 3:46 PM EDT
Completed Not applicable Interventional

SUSTAIN: Behavior Change and Nutrition Security for CKMS

NCT06589336
View directory record Official record
Conditions
Stage 2 Cardiovascular-Kidney-Metabolic Syndrome, Cardiovascular Disease Other
Interventions
Dietary changes via Instacart vouchers, Dietary changes via access to Mid-Ohio Farmacy, Behavior changes via access to Health Impact Ohio Hub, Behavioral nutrition counseling, Cooking classes, Dietary changes to Delivery fees
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 11, 2025 · Synced Oct 17, 2026, 3:46 PM EDT
Completed Not applicable Interventional Results available

Neurocognitive Factors in Substance Use Treatment Response: The Ways of Rewarding Abstinence Project

NCT03799341
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Oct 17, 2026, 3:46 PM EDT
Recruiting Not applicable Interventional

The HVIP+ Community Model

NCT07539142
View directory record Official record
Conditions
Hospital-based Violence Intervention, Community Firearm Violence, Firearm Behaviors
Interventions
Brief Bedside, Peer Support, Case Management + Voucher, SELF Group Therapy Sessions
Behavioral
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years and older
Enrollment
208 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Oct 17, 2026, 3:46 PM EDT