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ClinicalTrials.gov public records Last synced Oct 28, 2026, 12:41 PM EDT

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Showing 553–576 of 1,475 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Narcotics Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Developing and Testing the Opioid Rapid Response System

NCT04589676
View directory record Official record
Conditions
Opioid Overdose
Interventions
Naloxone training
Behavioral
Lead sponsor
Real Prevention, LLC
Industry
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Bloomington, Indiana • Clifton, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 7, 2022 · Synced Oct 28, 2026, 12:41 PM EDT
Completed Not applicable Interventional

Evaluating a Novel Medication Device for Methadone Dosing

NCT03254043
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Take-home Dosing Procedures
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
Not listed
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 28, 2020 · Synced Oct 28, 2026, 12:41 PM EDT
Recruiting Phase 2 Interventional

Psilocybin on Brain Mechanisms of Motivation in OUD

NCT06810310
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Psilocybin (high dose), psilocybin (low dose)
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 60 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Oct 28, 2026, 12:41 PM EDT
Recruiting Phase 2 Interventional

A Study of Cebranopadol for Opioid Withdrawal Symptoms in Adults With Chronic Pain

NCT07874620
View directory record Official record
Conditions
Chronic Pain, Pain, Opioid Withdrawal (Disorder), Opioid Use Disorder
Interventions
Cebranopadol, Placebo
Drug
Lead sponsor
Adneuris Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
North Canton, Ohio • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 23, 2026 · Synced Oct 28, 2026, 12:41 PM EDT
Completed Phase 3 Interventional

Extended-release Buprenorphine Compared to Sublingual Buprenorphine in Rural Settings (RXR)

NCT06023459
View directory record Official record
Conditions
Opioid-Related Disorders, Substance-Related Disorders, Narcotic-Related Disorders
Interventions
Injectable extended-release buprenorphine, Sublingual buprenorphine-naloxone
Drug
Lead sponsor
Yih-Ing Hser
Other
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
7
States / cities
El Dorado, Arkansas • Garberville, California • Gibson City, Illinois + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 28, 2026, 12:41 PM EDT
Recruiting Phase 2 Interventional

Remotely Observed Methadone Evaluation II

NCT06338280
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Sonara
Other
Lead sponsor
Sonara Health
Industry
Eligibility
18 Years to 64 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 27, 2026 · Synced Oct 28, 2026, 12:41 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Medications Development for the Treatment of Cannabis Related Disorders

NCT01204723
View directory record Official record
Conditions
Nicotine Withdrawal, Marijuana Dependence, Cannabis Dependence, Nicotine Dependence, Cannabis Abuse
Interventions
Placebo Aprepitant, Active Aprepitant
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 45 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
2
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 1, 2012 · Synced Oct 28, 2026, 12:41 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Clinical Proposal for the Comparison of Intraperitoneal Anesthetic to Injected Local Anesthetic

NCT00508976
View directory record Official record
Conditions
Pain, Postoperative, Morbid Obesity
Interventions
Injected bupivacaine post-operatively, Streamed bupivacaine versus streamed normal saline, Aerosolized bupivacaine versus aerosolized saline, Injected lidocaine pre-incision vs saline pre-incision
Drug
Lead sponsor
Pinnacle Health System
Other
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Harrisburg, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 10, 2012 · Synced Oct 28, 2026, 12:41 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

SMART Brain Health in African-Americans

NCT03861832
View directory record Official record
Conditions
Opioid Use Disorder, Substance Use Disorders, Dopamine Dysregulation Syndrome, African Americans
Interventions
KB220Z, Placebo
Dietary Supplement
Lead sponsor
Howard University
Other
Eligibility
18 Years to 90 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Mar 4, 2019 · Synced Oct 28, 2026, 12:41 PM EDT
Completed Not applicable Interventional

Minimizing Post-surgical Pain and Narcotic Administration Through Cryotherapy

NCT01974882
View directory record Official record
Conditions
Urologic Surgical Procedure
Interventions
Ice pack
Other
Lead sponsor
Viraj Master
Other
Eligibility
18 Years to 89 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 4, 2013 · Synced Oct 28, 2026, 12:41 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

The Efficacy of Methadyl Acetate (LAAM) and Contingency Management Procedures for Treating Dual Opioid and Cocaine Abuse - 1

NCT00158288
View directory record Official record
Conditions
Behavior Therapy, Cocaine, Contingency Management, Heroin Dependence, LAAM, Opioid Dependence, Substance-Related Disorders, Alcohol & Drug Use
Interventions
LAAM
Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 55 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2001
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 28, 2026, 12:41 PM EDT
Completed Not applicable Interventional Results available

SafetyNet Program for Opioid Use Disorder (OUD)

NCT04253782
View directory record Official record
Conditions
Opioid-Use Disorder (OUD)
Interventions
Team Intervention
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 130 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 18, 2024 · Synced Oct 28, 2026, 12:41 PM EDT
Completed Not applicable Interventional

Enhancing Exercise and Psychotherapy to Treat Pain and Addiction in Opioid Use Disorders ("EXPO" Pilot Trial)

NCT04736550
View directory record Official record
Conditions
Opioid-use Disorder, Pain
Interventions
Exercise, Psychotherapy for Pain (I-STOP)
Behavioral
Lead sponsor
Case Western Reserve University
Other
Eligibility
18 Years to 65 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
Denver, Colorado • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced Oct 28, 2026, 12:41 PM 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 28, 2026, 12:41 PM EDT
Completed Phase 1Phase 2 Interventional

Assessment of Tramadol as a Treatment for Opioid Addiction

NCT00301210
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Tramadol
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 55 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 17, 2015 · Synced Oct 28, 2026, 12:41 PM EDT
Completed Phase 3 Interventional Results available

Efficacy, Safety and Dose-Response Study Followed by Open-Label Study of Lofexidine Treatment of Opioid Withdrawal

NCT01863186
View directory record Official record
Conditions
Opioid Dependence, Acute Opioid Withdrawal Syndrome
Interventions
Lofexidine HCl, Placebo, Open Label Lofexidine HCL
Drug
Lead sponsor
USWM, LLC (dba US WorldMeds)
Industry
Eligibility
18 Years and older
Enrollment
603 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
18
States / cities
Clovis, California • Escondido, California • San Diego, California + 15 more
Source: ClinicalTrials.gov public record
Updated Mar 22, 2022 · Synced Oct 28, 2026, 12:41 PM EDT
Completed Phase 4 Interventional Results available

Narcotics vs NSAIDs for Post-operative Analgesia in Outpatient Rhinoplasty

NCT03457116
View directory record Official record
Conditions
Rhinoplasty, Non-steroidal Ant Inflammatory Drugs, Opioid Use
Interventions
Norco, NSAID
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 70 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 23, 2021 · Synced Oct 28, 2026, 12:41 PM EDT
Active, not recruiting Not applicable Interventional

Contingency Management for Opioid and Stimulant Use Disorders in Primary Care

NCT05288751
View directory record Official record
Conditions
Opioid Use Disorder, Stimulant Use Disorder
Interventions
Contingency Management
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 28, 2026, 12:41 PM EDT
Completed Phase 2 Interventional

Study 767905/008 Extension Study: Alvimopan for Treatment of Opioid-Induced Bowel Dysfunction in Cancer Pain Subjects

NCT00135577
View directory record Official record
Conditions
Cancer, Bowel Dysfunction
Interventions
alvimopan, placebo
Drug
Lead sponsor
Cubist Pharmaceuticals LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Industry
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
14
States / cities
Duarte, California • Fountain Valley, California • La Verne, California + 11 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2015 · Synced Oct 28, 2026, 12:41 PM EDT
Completed Phase 2 Interventional

Lofexidine Combined With Buprenorphine for Reducing Symptoms of PTSD and OU Relapse in Veterans

NCT04360681
View directory record Official record
Conditions
Post Traumatic Stress Disorder, Opioid-use Disorder
Interventions
Lofexidine, Placebo oral tablet
Drug
Lead sponsor
Pharmacotherapies for Alcohol and Substance Use Disorders Alliance
Other
Eligibility
18 Years to 70 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
2
States / cities
Houston, Texas • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated May 8, 2026 · Synced Oct 28, 2026, 12:41 PM EDT
Suspended Not applicable Interventional Accepts healthy volunteers

Measuring the Effects of Neurostimulation on Risky and Ambiguous Decision-Making Capacity in People With and Without Substance Use Disorder

NCT06577454
View directory record Official record
Conditions
Opioid Use Disorder, Healthy Volunteers
Interventions
TMS (MagVenture MagPro 100 with MagOption)
Device
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 60 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 28, 2026 · Synced Oct 28, 2026, 12:41 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Detecting Drugs of Abuse Via Exhaled Breath Samples Using Differential Mobility Spectrometry

NCT05384470
View directory record Official record
Conditions
Opiate Abuse, Marijuana Abuse, Diagnostic
Interventions
Marihuana, BID2 Instrument - breathalyzer
Drug · Device
Lead sponsor
Mclean Hospital
Other
Eligibility
21 Years to 50 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 2, 2025 · Synced Oct 28, 2026, 12:41 PM EDT
Active, not recruiting Not applicable Interventional

Improving Social Connectedness Through Digital Health to Enhance Recovery From OUD Among the Justice Involved Population

NCT06896656
View directory record Official record
Conditions
Loneliness, Opioid Use Disorder
Interventions
Marigold Mobile Peer Support Intervention, Resources
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 8, 2026 · Synced Oct 28, 2026, 12:41 PM EDT
Completed Not applicable Interventional

Competitive Revision for CLARO: Collaboration Leading to Addiction Treatment and Recovery From Other Stresses

NCT04634279
View directory record Official record
Conditions
Opioid-use Disorder, Addiction, Depression, Post Traumatic Stress Disorder, Suicidal Ideation
Interventions
Collaborative care Plus
Behavioral
Lead sponsor
RAND
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
12
States / cities
Los Angeles, California • Santa Monica, California • Albuquerque, New Mexico + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2024 · Synced Oct 28, 2026, 12:41 PM EDT