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ClinicalTrials.gov public records Last synced Oct 24, 2026, 2:01 AM EDT

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Showing 697–720 of 1,479 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Opioid Related Disorders Clear all
Completed Not applicable Interventional Results available

Compassionate Use Study of Methylnaltrexone

NCT01368562
View directory record Official record
Conditions
Opioid-induced Constipation
Interventions
Methylnaltrexone
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
Tarrytown, New York
Source: ClinicalTrials.gov public record
Updated Sep 4, 2019 · Synced Oct 24, 2026, 2:01 AM EDT
Completed Not applicable Interventional

The Whole Health Study: Collaborative Care for OUD and Mental Health Conditions

NCT04245423
View directory record Official record
Conditions
Opioid-use Disorder, Mental Health Conditions
Interventions
Collaborative Care for Opioid Use Disorders and Mental Health Conditions, Augmented Usual Care, Collaborative Care for Opioid Use Disorders and Mental Health Conditions Plus Certified Recovery Specialists
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
567 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Oct 24, 2026, 2:01 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Methadone Maintenance for Prisoners

NCT00378079
View directory record Official record
Conditions
Heroin Addiction
Interventions
Counseling Only, Counseling + Transfer, Counseling + Methadone
Other · Drug
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
211 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2008
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 3, 2014 · Synced Oct 24, 2026, 2:01 AM EDT
Terminated Phase 3 Interventional

Safety and Efficacy of Tegaserod in Opioid-induced Constipation in Patients With Non-cancer Pain.

NCT00414024
View directory record Official record
Conditions
Opioid-induced Constipation
Interventions
Tegaserod
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years and older
Enrollment
11 participants
Timeline
2007
U.S. locations
1
States / cities
East Hanover, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 20, 2012 · Synced Oct 24, 2026, 2:01 AM EDT
Recruiting Not applicable Interventional

Syringe Service Based Telemedicine and Social Network Driven HIV Prevention Service Implementation

NCT06103370
View directory record Official record
Conditions
HIV Infections, Substance Use Disorders, Addiction, Opioid Use, Drug Use, Intravenous Drug Usage
Interventions
Peer-educator-based network
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
Baltimore, Maryland • Frederick, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 10, 2025 · Synced Oct 24, 2026, 2:01 AM EDT
Completed Early Phase 1 Interventional

Brain Dopaminergic Signaling in Opioid Use Disorders

NCT03190954
View directory record Official record
Conditions
Normal Physiology, Opioid Use Disorders
Interventions
[11C]raclopride plus placebo, [11C]raclopride plus drug, [11C]NNC-112
Drug
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
18 Years to 80 Years
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 24, 2026, 2:01 AM EDT
Terminated No phase listed Observational

The Effects of Opioid Taper on Opioid-Induced Hyperalgesia

NCT03063905
View directory record Official record
Conditions
Buprenorphine, Pain
Interventions
Buprenorphine
Drug
Lead sponsor
Georgetown University
Other
Eligibility
18 Years to 50 Years
Enrollment
15 participants
Timeline
2017 – 2018
U.S. locations
2
States / cities
Rockville, Maryland • Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 21, 2018 · Synced Oct 24, 2026, 2:01 AM EDT
Completed Not applicable Interventional

Entry Into Comprehensive Methadone Treatment Via Interim Maintenance

NCT00712036
View directory record Official record
Conditions
Opiate Dependence
Interventions
Interim, Comprehensive, Restored
Behavioral
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years and older
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 9, 2015 · Synced Oct 24, 2026, 2:01 AM EDT
Not listed Not applicable Interventional

A Scaleable Video Coaching Intervention for Opioid-using Mothers

NCT04749771
View directory record Official record
Conditions
Child Behavior, Parent-Child Relations, Substance Use, Substance Abuse
Interventions
Filming Interactions to Nurture Development, The Healthy Toddler Program
Behavioral
Lead sponsor
University of Oregon
Other
Eligibility
Up to 50 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 29, 2023 · Synced Oct 24, 2026, 2:01 AM EDT
Completed Phase 3 Interventional

Multicenter Clinical Trial of Buprenorphine - 3

NCT00000207
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Buprenorphine
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 50 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1992
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 11, 2016 · Synced Oct 24, 2026, 2:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pilot Study of Methadone Patient Access to Collaborative Treatment: a HEAL Initiative

NCT06513728
View directory record Official record
Conditions
Opioid Substitution Treatment Clinics, Patients, Staff
Interventions
MPACT Intervention
Other
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 8, 2025 · Synced Oct 24, 2026, 2:01 AM EDT
Completed No phase listed Observational

Real Time Assessment of Drug Craving, Use, and Abstinence During Outpatient: A Development and Feasibility Study

NCT00292136
View directory record Official record
Conditions
Cocaine Addiction, Opiate Addiction
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 5, 2018 · Synced Oct 24, 2026, 2:01 AM EDT
Completed Phase 2 Interventional

Buprenorphine Maintenance Dose Schedule and Treatment Setting - 2

NCT00000319
View directory record Official record
Conditions
Opioid-Related Disorders, Substance-Related Disorders
Interventions
Buprenorphine
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 55 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2005
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 7, 2020 · Synced Oct 24, 2026, 2:01 AM EDT
Completed Not applicable Interventional

Preventing Opioid Use Among Justice-involved Youth as They Transition to Adulthood Leveraging Safe Adults (LeSA)

NCT04678960
View directory record Official record
Conditions
Opioid Use, Substance Use
Interventions
Trust-based Relational Intervention Training, Trust-based Relational Intervention In-Home Structured Coaching, Trust-based Relational Intervention In-Home Responsive Coaching
Behavioral
Lead sponsor
Texas Christian University
Other
Eligibility
15 Years to 20 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
11
States / cities
Chicago, Illinois • Grafton, Illinois • Harrisburg, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Dec 12, 2025 · Synced Oct 24, 2026, 2:01 AM EDT
Active, not recruiting Not applicable Interventional

Neuromodulation and Cognitive Training in Opioid Use Disorder

NCT03773523
View directory record Official record
Conditions
Opioid-use Disorder, Opioid Dependence, Opioid Abuse
Interventions
Transcranial Direct Current Stimulation (tDCS)
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Oct 24, 2026, 2:01 AM EDT
Completed Not applicable Interventional

Effect of an Opioid Disposal Pouch Versus Usual Care on Post Discharge Disposal of Unused Medication

NCT04553588
View directory record Official record
Conditions
Drug Prescriptions
Interventions
Disposal pouch
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
313 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 17, 2020 · Synced Oct 24, 2026, 2:01 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Piloting a Naloxone Intervention in Philadelphia

NCT03305497
View directory record Official record
Conditions
Opioids; Harmful Use
Interventions
Mobile Phone Application
Behavioral
Lead sponsor
Drexel University
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 22, 2021 · Synced Oct 24, 2026, 2:01 AM EDT
Completed Phase 2 Interventional Results available

Examining the Role of the Orexin System in Sleep and Stress in Persons With Opioid Use Disorder

NCT04287062
View directory record Official record
Conditions
Sleep Disturbance, Opioid-use Disorder
Interventions
Suvorexant, Placebos
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 65 Years
Enrollment
249 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
5
States / cities
Baltimore, Maryland • Bel Air, Maryland • Elkton, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 20, 2026 · Synced Oct 24, 2026, 2:01 AM EDT
Completed Phase 2 Interventional

Activity Monitoring Assessment of Opiate Withdrawal - 4

NCT00000335
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Morphine
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 55 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 1996
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jan 31, 2017 · Synced Oct 24, 2026, 2:01 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Remote Observed Dosing of Suboxone to Improve Clinical Practice

NCT03769025
View directory record Official record
Conditions
Opioid-use Disorder, Opioid Dependence, Opiate Dependence
Interventions
Suboxone Remote Observed Dosing, Suboxone Attention Control
Behavioral · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 45 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 27, 2023 · Synced Oct 24, 2026, 2:01 AM EDT
Active, not recruiting Not applicable Interventional

IMPOWR-ME Project 1: Trial of Yoga and Physical Therapy Onsite at Opioid Treatment Programs

NCT05492825
View directory record Official record
Conditions
Substance Use Disorders, Chronic Pain, Opioid Use Disorder, Back Pain Lower Back Chronic
Interventions
Yoga, Physical Therapy, Treatment As Usual
Other
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 24, 2026, 2:01 AM EDT
Recruiting Not applicable Interventional

Telehealth vs In-Person Evaluation of Addiction Treatment After Visiting the Emergency Department

NCT06961058
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
referral to telehealth treatment, referral to in person treatment
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
528 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
3
States / cities
El Centro, California • Sacramento, California • Sylmar, California
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Oct 24, 2026, 2:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Youth Opioid Recovery Support: Improving Care Systems

NCT04015115
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Youth Opioid Recovery Support service model
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 26 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 7, 2022 · Synced Oct 24, 2026, 2:01 AM EDT
Completed Not applicable Interventional Results available

Fostering MAT Use in Justice Populations

NCT04363320
View directory record Official record
Conditions
Opioid-use Disorder, Recidivism
Interventions
NIATx Coaching, ECHO
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
256 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 28, 2025 · Synced Oct 24, 2026, 2:01 AM EDT