Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 24, 2026, 11:07 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 769–792 of 1,479 matching trials from the live ClinicalTrials.gov search.
Conditions
Opioid-Related Disorders, Substance-Related Disorders
Interventions
Buprenorphine
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 59 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1994 – 1996
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Opiate Dependence, HIV Infections
Interventions
Enhanced Sexual Risk Management, Standard Sexual Risk Management
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
2
States / cities
New Haven, Connecticut
Conditions
Opioid-Related Disorders
Interventions
Nalmefene
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Overland Park, Kansas
Conditions
Opioid-Related Disorders, Substance-Related Disorders
Interventions
Lofexidine
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 59 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Enrolling by invitation Phase 4 Interventional

Houston Emergency Opioid Engagement System

NCT03396276
Conditions
Opioid Use Disorder
Interventions
Suboxone, Brief counseling in the ED, Referral to outpatient treatment, Follow-up coaching
Drug · Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2030
U.S. locations
1
States / cities
Houston, Texas
Not listed No phase listed Observational Accepts healthy volunteers

Cognitive, Behavioral and Aging Effects of Pain Medication in Alcohol Users

NCT02945293
Conditions
Mild to Heavy Alcohol Consumption
Interventions
Oxycodone
Other
Lead sponsor
University of Washington
Other
Eligibility
35 Years and older
Enrollment
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Cocaine Dependence, Opioid Dependence
Interventions
levetiracetam
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
West Haven, Connecticut
Conditions
Accidental Overdose of Opiate
Interventions
Take home rapid drug test
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years to 35 Years
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Providence, Rhode Island
Recruiting Not applicable Interventional

M2VA Pain Care Pathway

NCT06526143
Conditions
Pain, Substance Use, Opioid Misuse, Quality of Life
Interventions
M2VA Pain Care Pathway (M2VAPCP), Implementation Facilitation
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
1,800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
West Haven, Connecticut
Conditions
Opioid Use Disorder, Tobacco Use Disorder
Interventions
Deep TMS System With H4 Coil
Device
Lead sponsor
Payel Roy
Other
Eligibility
22 Years to 70 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Conditions
Opioid Use Disorder
Interventions
Recovery Community Center Participation, Enhance Treatment as Usual
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Recruiting Not applicable Interventional Accepts healthy volunteers

Kentucky Women's Justice Community Overdose Innovation Network - Phase II

NCT07179614
Conditions
Overdose Risk, Opioid Use Disorder, Stimulant Use Disorders
Interventions
Overdose Prevention Intervention Package (OPIP)
Behavioral
Lead sponsor
Michele Staton
Other
Eligibility
18 Years and older · Female only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
3
States / cities
Barbourville, Kentucky • Harlan, Kentucky • Hyden, Kentucky
Conditions
Opioid-use Disorder, Depression, Anxiety, Craving
Interventions
unilateral transcranial photobiomodulation, near infrared mode, Sham treatment
Device
Lead sponsor
MindLight, LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Newton Highlands, Massachusetts
Conditions
Chronic Pain, Opioid Use Disorder, Opioid Misuse, Opioid-Related Disorders
Interventions
Self-Driven Repetitive Artmaking
Behavioral
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
The Bronx, New York
Recruiting Early Phase 1 Interventional

Pilot of Mailing Buprenorphine

NCT07421102
Conditions
Opioid Use Disorder
Interventions
strategy of mailing buprenorphine
Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Conditions
HIV Infection, Pain, Drug Dependence
Interventions
Not listed
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
2
States / cities
Atlanta, Georgia • Boston, Massachusetts
Conditions
Opioid-Related Disorders
Interventions
Buprenorphine
Drug
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1995
U.S. locations
1
States / cities
Burlington, Vermont
Completed Not applicable Interventional Accepts healthy volunteers Results available

Leveraging Social Networks to Increase COVID-19 Testing Uptake

NCT04873401
Conditions
Covid-19, Substance Use, Opioid Use
Interventions
Chain-referral, Credible Messenger
Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 80 Years
Enrollment
498 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
New York, New York
Completed Phase 2 Interventional Results available

Buprenorphine's Dose Response Curve

NCT00460239
Conditions
Opioid-related Disorders
Interventions
Buprenorphine, Morphine, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Opioid Use Disorder, Pain, Chronic
Interventions
Not listed
Lead sponsor
Sharon Levy
Other
Eligibility
12 Years to 17 Years
Enrollment
20,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
5
States / cities
Aurora, Colorado • St. Petersburg, Florida • Boston, Massachusetts + 2 more
Terminated Phase 1 Interventional Accepts healthy volunteers

Ketamine for OUD and Comorbid Depression (OUDCD)

NCT05051449
Conditions
Opioid Use Disorder, Depressive Disorder
Interventions
Ketamine Hydrochloride
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Terminated No phase listed Observational Accepts healthy volunteers

Effects of Nicotine on Brain Opioid Receptors

NCT01040338
Conditions
Nicotine Dependence
Interventions
Nicotine
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 50 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Hepatitis C, Chronic, Opioid-use Disorder
Interventions
Sofosbuvir/Velpatasvir
Drug
Lead sponsor
Elizabeth Krans, MD
Other
Eligibility
18 Years and older · Female only
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Post Operative Pain, Opioid Use, Unspecified
Interventions
Not listed
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts