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ClinicalTrials.gov public records Last synced Oct 22, 2026, 4:57 AM EDT

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Showing 289–312 of 578 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Reducing Risk Behavior Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Efficacy of an Abstinence-Only HIV Risk-Reduction Intervention for Young African-American Adolescents

NCT00640653
View directory record Official record
Conditions
HIV Infections, Sexually Transmitted Diseases
Interventions
Abstinence-only HIV/STD risk-reduction intervention, Safer-sex-only HIV/STD risk-reduction intervention, Long comprehensive HIV/STD risk-reduction intervention, Short comprehensive HIV/STD risk-reduction intervention, Health promotion control intervention
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
Not listed
Enrollment
662 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2004
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 13, 2017 · Synced Oct 22, 2026, 4:57 AM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Dissemination of a Tailored Tobacco Quitline for Rural Veteran Smokers

NCT01892813
View directory record Official record
Conditions
Nicotine Dependence, Tobacco Use
Interventions
Nicotine replacement therapy - Transdermal nicotine patch, Nicotine replacement therapy - Nicotine gum, Nicotine replacement therapy - Nicotine lozenge, Bupropion, Varenicline, Combination pharmacotherapy - Transdermal nicotine patch + nicotine gum, Combination pharmacotherapy - Transdermal nicotine patch + nicotine lozenge, Combination pharmacotherapy - Transdermal nicotine patch + bupropion, Tobacco quitline referral, Tailored behavioral intervention, Alcohol use risk reduction, Behavioral activation for depressive symptoms, Behavioral management of postcessation weight gain
Drug · Behavioral
Lead sponsor
Mark Vander Weg
Other
Eligibility
18 Years to 99 Years
Enrollment
411 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 11, 2017 · Synced Oct 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional

HIV Prevention and Trauma Treatment in Men Who Have Sex With Men and Who Have a History of Sexual Abuse

NCT00797654
View directory record Official record
Conditions
Risk Reduction
Interventions
Information-motivation-behavior skills and cognitive processing therapy, Pre and Post HIV-Test Counseling
Behavioral
Lead sponsor
Fenway Community Health
Other
Eligibility
18 Years and older · Male only
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 9, 2016 · Synced Oct 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Transforming Opioid Prescribing in Primary Care

NCT01909076
View directory record Official record
Conditions
Chronic Pain, Opioid-Related Disorders
Interventions
Electronic decision support tools, Enhanced patient education materials, Nurse care management, Electronic Patient Registry, Academic detailing
Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 3, 2016 · Synced Oct 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional Results available

Veteran Peer Coaches Optimizing and Advancing Cardiac Health

NCT02697422
View directory record Official record
Conditions
Cardiovascular Disease (CVD), Hypertension, Hyperlipemia, Obesity
Interventions
Community-based peer health coach intervention
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Up to 75 Years
Enrollment
264 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 9, 2024 · Synced Oct 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Reducing Cardiometabolic Risk and Promoting Functional Health in Older Adults With Obesity and Prediabetes

NCT03500640
View directory record Official record
Conditions
Obesity, PreDiabetes, Aging
Interventions
DPP Intensive: 30-minute calls, DPP Support: 15-minute calls
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
60 Years and older
Enrollment
314 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 28, 2025 · Synced Oct 22, 2026, 4:57 AM EDT
Completed Phase 3 Interventional

The Congestive Heart Failure Adherence Redesign Trial

NCT01698242
View directory record Official record
Conditions
Heart Failure, Congestive, Cardiovascular Diseases, Heart Diseases
Interventions
Enhanced Training, Enhanced Education
Behavioral
Lead sponsor
Lynda Powell, PhD, MEd
Other
Eligibility
18 Years and older
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 19, 2016 · Synced Oct 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Being Responsible for Ourselves HIV Risk Reduction for Black MSM

NCT02561286
View directory record Official record
Conditions
Human Immunodeficiency Virus Infection (HIV), Sexually Transmitted Disease (STD)
Interventions
BRO HIV Risk Reduction Intervention, Health Promotion Intervention
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Male only
Enrollment
595 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 29, 2015 · Synced Oct 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pre-exposure Prophylaxis Accessibility Research and Evaluation 2

NCT02125773
View directory record Official record
Conditions
PrEP Uptake, HIV Seronegativity
Interventions
Informed Risk Score
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Male only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 12, 2020 · Synced Oct 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional

Project FIRST - Financial Incentives to Reduce Substance Use and Improve Treatment

NCT01376570
View directory record Official record
Conditions
HIV, Opiate Dependence
Interventions
Abstinence-reinforcing contingency management intervention, Performance Feedback intervention
Behavioral
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years and older
Enrollment
242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
3
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Dec 3, 2020 · Synced Oct 22, 2026, 4:57 AM EDT
Enrolling by invitation Not applicable Interventional

Actions to Decrease Disparities in Risk and Engage in Shared Support for Blood Pressure Control (ADDRESS-BP) in Blacks

NCT05208450
View directory record Official record
Conditions
Hypertension (HTN)
Interventions
Practice support And Community Engagement (PACE)
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Oct 22, 2026, 4:57 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Transmasculine One-on-One and Group Empowerment for Targeted HIV Reduction

NCT06182280
View directory record Official record
Conditions
HIV Infections, Adherence, Medication
Interventions
PrEP4T, LS4TM
Behavioral
Lead sponsor
Fenway Community Health
Other
Eligibility
18 Years and older · Male only
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

C2P - Phase III: MPowerment and Community Promise

NCT00381784
View directory record Official record
Conditions
HIV Infections
Interventions
Printed materials, Peer advocates
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
12 Years to 24 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
6
States / cities
Los Angeles, California • San Francisco, California • Washington D.C., District of Columbia + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2017 · Synced Oct 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Disparities in Diabetes Risk Through Lifestyle Changes in Community Settings

NCT00770926
View directory record Official record
Conditions
Diabetes
Interventions
Live Well, Be Well
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
25 Years and older
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2013
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 21, 2013 · Synced Oct 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Emails Promoting Mail-order Pharmacy

NCT04587063
View directory record Official record
Conditions
Health Care Utilization
Interventions
Fear Appeals, Message about Future Healthcare Costs, Endorsement from a Doctor, Comparison Table, Highlighting Cost Savings and Convenience
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
5,266 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 27, 2020 · Synced Oct 22, 2026, 4:57 AM EDT
Terminated Not applicable Interventional

Brief Interventions on Social Media to Reduce Suicide Risk (Intervention 3)

NCT06114849
View directory record Official record
Conditions
Suicide, Distress, Emotional
Interventions
Treatment as usual, Barrier Reduction Intervention
Behavioral
Lead sponsor
Harvard University
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 13, 2025 · Synced Oct 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Rhode Island Prescription and Illicit Drug Study

NCT04372238
View directory record Official record
Conditions
Opioid Overdose, Drug Overdose
Interventions
RAPIDS Intervention, Standard OEND
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years to 65 Years
Enrollment
509 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 24, 2025 · Synced Oct 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional

A Pilot Study of a Lifestyle Intervention on the Metabolic Syndrome (3ELM Study)

NCT02233088
View directory record Official record
Conditions
Metabolic Syndrome
Interventions
ELM Group, ELM Classes, ELM Individual
Behavioral · Other
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 72 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 12, 2023 · Synced Oct 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional Results available

Reducing CVD Risk in Caregivers: A Brief Behavioral Activation Intervention

NCT01802554
View directory record Official record
Conditions
Depressive Symptoms, Inflammation
Interventions
Pleasant Events Program (PEP), Information Support (IS)
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
55 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 13, 2016 · Synced Oct 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional

Reducing Risk Factors in Peripheral Arterial Disease

NCT00217919
View directory record Official record
Conditions
Cardiovascular Diseases, Peripheral Vascular Diseases
Interventions
Health-Counselor Mediated Telephone Counseling Intervention
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
21 Years and older
Enrollment
355 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
2
States / cities
Chicago, Illinois • Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 9, 2014 · Synced Oct 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional

Specialized Cognitive-Behavioral Counseling Intervention to Reduce HIV Transmission Risk Behavior in HIV-Infected Men

NCT00218712
View directory record Official record
Conditions
HIV Infections
Interventions
Cognitive behavioral intervention, Standard counseling
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
488 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 2, 2012 · Synced Oct 22, 2026, 4:57 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Community Health Adaptation & Resilience Mobilization (CHARM) HeatWise

NCT07500545
View directory record Official record
Conditions
Heat Illness
Interventions
CHARM HeatWise
Behavioral
Lead sponsor
Public Health Institute, California
Other
Eligibility
18 Years and older
Enrollment
580 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Lakeport, California
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Oct 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Digital Mental Health Care for COVID-19 High-Risk Populations

NCT04964570
View directory record Official record
Conditions
Stigma, Social, Help-Seeking Behavior
Interventions
Video _ behavioral change module
Behavioral
Lead sponsor
Research Foundation for Mental Hygiene, Inc.
Other
Eligibility
18 Years to 80 Years
Enrollment
4,134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 17, 2022 · Synced Oct 22, 2026, 4:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Mailers Promoting Mammogram Screening

NCT04555902
View directory record Official record
Conditions
Breast Cancer
Interventions
Postcard, Small Gift, Loss Frame and Fear Appeals
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
50 Years to 64 Years · Female only
Enrollment
1,342 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 15, 2021 · Synced Oct 22, 2026, 4:57 AM EDT