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Showing 25–42 of 18 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Harm-Reduction Counseling Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

STEPS: Substance Use Trial of E-cigarettes or Pharmacotherapy for Smoking

NCT06922617
View directory record Official record
Conditions
Tobacco Use, Substance Use Disorders
Interventions
Switching to E-Cigarette, Quitting using Medication, Counseling
Behavioral · Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years and older
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
4
States / cities
Charleston, South Carolina • Conway, South Carolina • Greenville, South Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 26, 2026, 5:52 PM EDT
Completed Not applicable Interventional

Tele-Harm Reduction

NCT05208697
View directory record Official record
Conditions
IV Drug Usage, HIV Infections, Hepatitis C
Interventions
Tele-Harm Reduction, off-site linkage
Behavioral · Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
3
States / cities
Fort Lauderdale, Florida • Miami, Florida • Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Sep 26, 2026, 5:52 PM EDT
Completed Not applicable Interventional

Improving Brief Alcohol Interventions With a Behavioral Economic Supplement

NCT02834949
View directory record Official record
Conditions
Alcohol Abuse
Interventions
Brief Motivational Intervention (BMI), Substance-Free Activity Session (SFAS), Relaxation Session
Behavioral
Lead sponsor
University of Memphis
Other
Eligibility
18 Years to 27 Years
Enrollment
393 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
2
States / cities
Columbia, Missouri • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 25, 2017 · Synced Sep 26, 2026, 5:52 PM EDT
Recruiting Not applicable Interventional

The MOUD Plus Pilot: Counseling and Peer Support to Support Retention for Medically Complex Patients With Opioid Use Disorder Seen In Primary Care

NCT06837662
View directory record Official record
Conditions
Opioid Dependence, Substance Abuse Disorders, Complex Medical Patients, Primary Care Patients With Chronic Conditions
Interventions
MOUD "Plus" Intervention (treatment as usual + coordinated counseling and referral to community based peer), Treatment As Usual (primary care with low threshold MOUD prescribing)
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Sep 26, 2026, 5:52 PM EDT
Active, not recruiting Not applicable Interventional

Behavioral Economic and Wellness-based Approaches for Reducing Alcohol Use and Consequences Among Emerging Adults

NCT04776278
View directory record Official record
Conditions
Alcohol Abuse
Interventions
Brief Alcohol Intervention (BAI), Substance-free Activity Session (SFAS), Relaxation Training (RT), Education Control
Behavioral · Other
Lead sponsor
University of Memphis
Other
Eligibility
18 Years to 29 Years
Enrollment
525 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced Sep 26, 2026, 5:52 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Text-Based Messaging Strategies for Preventing Subsequent Problematic Alcohol Use

NCT06318975
View directory record Official record
Conditions
Alcohol Drinking, Binge Drinking, Text Messaging
Interventions
Brief Alcohol Intervention, Automated and Targeted Text Messages
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
7,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 14, 2026 · Synced Sep 26, 2026, 5:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact on Opioid Use of Bundling Medication-assisted Treatment With mHealth

NCT02712034
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
MAT + A-CHESS, MAT
Behavioral · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
417 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 13, 2020 · Synced Sep 26, 2026, 5:52 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Alcohol Health Education With Personalized Feedback Boosters

NCT03440463
View directory record Official record
Conditions
College Student Drinking
Interventions
e-checkup to go, Norms-only booster, Norms-plus-Strategies booster
Behavioral
Lead sponsor
Abby Braitman
Other
Eligibility
18 Years to 24 Years
Enrollment
528 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 21, 2023 · Synced Sep 26, 2026, 5:52 PM EDT
Completed Not applicable Interventional

Electronic Cigarettes as a Harm Reduction Strategy Among Patients With COPD

NCT04465318
View directory record Official record
Conditions
COPD
Interventions
E-cigarette (EC), Nicotine Replacement Therapy (NRT), Smoking Harm Reduction Counseling Sessions
Other · Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years to 75 Years
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 14, 2023 · Synced Sep 26, 2026, 5:52 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

A Randomized Controlled Trial of the Bruthas Project

NCT01270230
View directory record Official record
Conditions
HIV Infection
Interventions
Bruthas Project, Standard HIV Testing and Counseling
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
396 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 26, 2016 · Synced Sep 26, 2026, 5:52 PM EDT
Completed Phase 2 Interventional Results available

Harm Reduction With Pharmacotherapy (HaRP)

NCT01932801
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
XR-NTX, Placebo, HRC
Drug · Other · Behavioral
Lead sponsor
University of Washington
Other
Eligibility
21 Years to 65 Years
Enrollment
308 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Sep 26, 2026, 5:52 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Family Planning-based Partner Abuse Intervention to Reduce Unintended Pregnancy

NCT01459458
View directory record Official record
Conditions
Violence, Pregnancy
Interventions
Family Planning-based Partner Violence Intervention
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
16 Years to 29 Years · Female only
Enrollment
3,687 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 1, 2015 · Synced Sep 26, 2026, 5:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Trauma-informed Personalized Scripts (TIPS) for Relationship Abuse

NCT02782728
View directory record Official record
Conditions
Violence, Abuse
Interventions
TIPS-Plus, TIPS-Basic
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
16 Years to 29 Years · Female only
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 16, 2019 · Synced Sep 26, 2026, 5:52 PM EDT
Completed Phase 2 Interventional

Reduction of Smoking in Cardiac Disease Patients

NCT00469885
View directory record Official record
Conditions
Cardiovascular Disease, Tobacco Use Disorder
Interventions
Nicotine replacement, Motivational counseling
Drug · Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
2
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 9, 2017 · Synced Sep 26, 2026, 5:52 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Preventing Drug Use in Low Income Clinic Populations

NCT01942876
View directory record Official record
Conditions
Drug Use, Harmful Use
Interventions
Quit Using Drugs Intervention Trial, Health behavior maintenance
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
411 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 17, 2016 · Synced Sep 26, 2026, 5:52 PM EDT
Completed Phase 1Phase 2 Interventional

Timing Personalized Feedback After Alcohol Health Education

NCT04453007
View directory record Official record
Conditions
College Student Drinking
Interventions
e-checkup to go, Feedback booster
Behavioral
Lead sponsor
Abby Braitman
Other
Eligibility
18 Years to 24 Years
Enrollment
195 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated May 2, 2023 · Synced Sep 26, 2026, 5:52 PM EDT
Completed Phase 1 Interventional

Improving Quality-of-life and Depressive Symptoms of Combat Veterans Via Internet-based Intervention

NCT01231711
View directory record Official record
Conditions
Depression, Post-Traumatic Stress Disorder, Functional Status
Interventions
Vets Prevail
Behavioral
Lead sponsor
Prevail Health Solutions, LLC
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 31, 2010 · Synced Sep 26, 2026, 5:52 PM EDT
Completed Not applicable Interventional

Electronic Cigarettes as a Harm Reduction Strategy Among People Living With HIV/AIDS

NCT04218708
View directory record Official record
Conditions
Nicotine Addiction
Interventions
Nicotine patch and gum, Minnesota Nicotine Withdrawal Scale (MNWS), ASSIST (the Alcohol, Smoking and Substance Involvement Screening), Counseling, NIDA Standardized Research E-cigarettes (SREC)
Other · Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 65 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Sep 26, 2026, 5:52 PM EDT