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ClinicalTrials.gov public records Last synced Oct 21, 2026, 10:14 AM EDT

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Showing 169–192 of 1,478 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Opioid Related Disorders Clear all
Active, not recruiting Not applicable Interventional

ED Observation for Opioid Use Disorder

NCT05064826
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Observation
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 100 Years
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
6
States / cities
Newark, New Jersey • Brooklyn, New York • New Hyde Park, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 31, 2025 · Synced Oct 21, 2026, 10:14 AM EDT
Completed Not applicable Interventional Results available

Prevention Interventions for Opioid Misuse

NCT04550715
View directory record Official record
Conditions
Opioid Use
Interventions
Brief intervention (BI), Portal, Enhanced Usual Care (EUC)
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
16 Years to 30 Years
Enrollment
1,155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Oct 21, 2026, 10:14 AM EDT
Completed No phase listed Observational

Studies of Opioid Seeking Behavior: Yohimbine and Hydrocortisone Effects

NCT01536925
View directory record Official record
Conditions
Heroin Dependence, Opioid-Related Disorders
Interventions
Not listed
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 55 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 5, 2018 · Synced Oct 21, 2026, 10:14 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study to Assess the Effect of AZD4041 on Respiratory Drive in Recreational Opioid Users.

NCT05587998
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Morphine, AZD4041, Placebo
Drug · Other
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 55 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 15, 2024 · Synced Oct 21, 2026, 10:14 AM EDT
Completed Phase 2 Interventional Results available

Methylnaltrexone for Opioid-induced Constipation in Cancer Patients

NCT01004393
View directory record Official record
Conditions
Neoplasms, Constipation, Opioid-Related Disorders
Interventions
Methylnaltrexone bromide
Drug
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Feb 2, 2016 · Synced Oct 21, 2026, 10:14 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Impact of Delta Opioid Receptor Gene (OPRD1) Variations on Treatment Outcome in African Americans

NCT02225184
View directory record Official record
Conditions
Genetic Underpinning of Substance Abuse, Polymorphism-genetic, Drug Abuse/Dependence, Opiod-Related Disorders
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 3, 2019 · Synced Oct 21, 2026, 10:14 AM EDT
Completed Not applicable Interventional Results available

PRescribing INterventions for Chronic Pain Via the Electronic Health Record Study - Opioid-Naive Population

NCT04601493
View directory record Official record
Conditions
Opioid-use Disorder, Opioid Use, Opioid Abuse
Interventions
Choice Architecture Nudge, PMP Integration & Nudge
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
Not listed
Enrollment
631 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 26, 2024 · Synced Oct 21, 2026, 10:14 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study of the BIOPIN 6 Naltrexone Implant in Healthy Adults

NCT06216132
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
BIOPIN-6 Active Implant with Naltrexone, BIOPIN-6 Placebo Implant
Combination Product · Device
Lead sponsor
Akyso Therapeutics, LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Oct 21, 2026, 10:14 AM EDT
Completed Not applicable Interventional Results available

Evaluating the Impact of the Bridge Clinic in Patients With Opioid Use Disorder

NCT04084392
View directory record Official record
Conditions
Opioid Use, Opioid-use Disorder
Interventions
Bridge Clinic, Usual Care
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
335 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 10, 2024 · Synced Oct 21, 2026, 10:14 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Buprenorphine Implementation at Syringe Service Programs to Reduce Overdoses

NCT07631598
View directory record Official record
Conditions
Opioid Use Disorder, Opioid Use Disorder, Severe, Opioid Use Disorder, Moderate
Interventions
Standard of Care Referral, Low Threshold Buprenorphine
Other · Behavioral
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
512 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
8
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Baton Rouge, Louisiana + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 21, 2026, 10:14 AM EDT
Completed Not applicable Interventional Results available

Encouraging Judicious Prescribing of Opioids in Los Angeles County

NCT03856593
View directory record Official record
Conditions
Substance-Related Disorders
Interventions
Standard letter, Comparator letter
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
541 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 28, 2023 · Synced Oct 21, 2026, 10:14 AM EDT
Active, not recruiting Not applicable Interventional Results available

NET Device for Treating Opioid Use Disorder

NCT04916600
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
NET
Device
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 65 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Willisburg, Kentucky
Source: ClinicalTrials.gov public record
Updated Sep 18, 2025 · Synced Oct 21, 2026, 10:14 AM EDT
Completed Not applicable Interventional

Transitions: Linkages From Jail To Community

NCT00841711
View directory record Official record
Conditions
HIV, Substance Abuse, HIV Infections
Interventions
Intensive Case Management
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
2
States / cities
New Haven, Connecticut • Waterbury, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 12, 2016 · Synced Oct 21, 2026, 10:14 AM EDT
Withdrawn Not applicable Interventional

Changing Opioid Users' Negative Attitudes Toward Medication Assisted Treatment

NCT03151655
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
MATTeRS Video, Didactic Video
Behavioral
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Nov 6, 2024 · Synced Oct 21, 2026, 10:14 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Lorcaserin in Combination With XR-Naltrexone for Relapse Prevention in Opioid Use Disorder

NCT03169816
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Lorcaserin, Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 5, 2020 · Synced Oct 21, 2026, 10:14 AM EDT
Completed Phase 3 Interventional

Buprenorphine/Naloxone Versus Clonidine for Inpatient Opiate Detoxification - 1

NCT00032955
View directory record Official record
Conditions
Heroin Dependence, Morphine Dependence, Substance Withdrawal Syndrome
Interventions
Buprenorphine/naloxone
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
15 Years and older
Enrollment
163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2002
U.S. locations
6
States / cities
Rancho Mirage, California • Orlando, Florida • Pinellas Park, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 21, 2026, 10:14 AM EDT
Completed Phase 2 Interventional Results available

Phase II Pharmacokinetics Study of CAM2038

NCT02710526
View directory record Official record
Conditions
Opioid Use Disorder, Chronic Pain
Interventions
CAM2038
Drug
Lead sponsor
Braeburn Pharmaceuticals
Industry
Eligibility
19 Years to 65 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
3
States / cities
Birmingham, Alabama • Berlin, New Jersey • Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 30, 2020 · Synced Oct 21, 2026, 10:14 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Effects of Water Temperature on the Cold Pressor Test

NCT03083626
View directory record Official record
Conditions
Chronic Pain
Interventions
Cold pressor test
Other
Lead sponsor
Georgetown University
Other
Eligibility
21 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 20, 2017 · Synced Oct 21, 2026, 10:14 AM EDT
Completed Not applicable Interventional

Distribution of Medication Disposal Packets - Acute Opioid Prescribing

NCT05169281
View directory record Official record
Conditions
Orthopedic Surgery, Neurosurgery, Surgery, Opioid Use, Opioid Misuse
Interventions
Medication Disposal Packet
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 99 Years
Enrollment
657 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 2, 2023 · Synced Oct 21, 2026, 10:14 AM EDT
Completed Phase 2 Interventional

Behavioral Naltrexone Therapy: A Novel Treatment for Heroin Dependence

NCT00332228
View directory record Official record
Conditions
Opiate Dependence
Interventions
depot naltrexone, Compliance enhancement (CE), BNT
Drug · Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 26, 2012 · Synced Oct 21, 2026, 10:14 AM EDT
Completed Phase 2 Interventional Results available

A Phase 2, Double-Blind, Multiple-Dose Escalation Study to Evaluate NKTR-118 (Oral PEG-Naloxol) in Patients With Opioid-Induced Constipation (OIC)

NCT00600119
View directory record Official record
Conditions
Opioid Induced Constipation (OIC)
Interventions
placebo, NKTR-118
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
207 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
33
States / cities
Huntsville, Alabama • Pinson, Alabama • Tucson, Arizona + 30 more
Source: ClinicalTrials.gov public record
Updated Jun 12, 2015 · Synced Oct 21, 2026, 10:14 AM EDT
Completed Phase 1 Interventional

Effectiveness of Naltrexone and Lofexidine in Treating Detoxified Heroin Addicts - 1

NCT00218530
View directory record Official record
Conditions
Heroin Dependence
Interventions
Lofexidine
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 100 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Oct 21, 2026, 10:14 AM EDT
Completed No phase listed Observational

A Prospective Assessment of Opioid Utilization Post-operatively in Sports Orthopaedic Surgeries

NCT03422211
View directory record Official record
Conditions
Narcotic Use, Postoperative Pain, Narcotic Abuse, Opioid Use, Opioid Abuse, Uncomplicated, Opioids; Harmful Use, Analgesic Drug Dependence, Orthopedic Disorder
Interventions
Questionnaire
Other
Lead sponsor
St. Louis University
Other
Eligibility
10 Years to 100 Years
Enrollment
223 participants
Timeline
2017 – 2018
U.S. locations
3
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 24, 2021 · Synced Oct 21, 2026, 10:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Minds and Mentors Program (MiMP)- R61

NCT04233671
View directory record Official record
Conditions
Opioid-use Disorder, Medication Assisted Treatment, Substance Use Disorders
Interventions
Mindfulness based relapse prevention and peer mentoring
Behavioral
Lead sponsor
University of Alabama, Tuscaloosa
Other
Eligibility
19 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Birmingham, Alabama • Homewood, Alabama
Source: ClinicalTrials.gov public record
Updated Jul 21, 2023 · Synced Oct 21, 2026, 10:14 AM EDT