Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

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 13, 2026, 10:50 AM EDT

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

Showing 169–192 of 374 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: methadone hydrochloride Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Facilitating the Implementation of Interim Methadone to Increase Treatment Access

NCT04188977
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Usual Practice, Implementation Facilitation
Other
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 29, 2022 · Synced Oct 13, 2026, 10:50 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Assessment of Methadone and Buprenorphine in Interstitial Fluid

NCT05546229
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Microneedle based interstitial fluid collection
Procedure
Lead sponsor
Cari Health Inc.
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Lemon Grove, California
Source: ClinicalTrials.gov public record
Updated Jun 28, 2023 · Synced Oct 13, 2026, 10:50 AM EDT
Withdrawn Phase 2Phase 3 Interventional

Postoperative Oral Methadone After Major Spine Surgery; Safety, Feasibility and Efficacy in Prevention of Progression to Chronic Opioid Usage at 3 Months

NCT05693675
View directory record Official record
Conditions
Spine Surgery
Interventions
Postoperative methadone, Postoperative placebo, Rescue Analgesia
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 10, 2025 · Synced Oct 13, 2026, 10:50 AM EDT
Recruiting Phase 3 Interventional

Methadone in TKA for Post-op Pain and Opioid Reduction

NCT07226076
View directory record Official record
Conditions
Post Operative Pain
Interventions
Methadone Hydrochloride
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 75 Years
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Oct 13, 2026, 10:50 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Trial Comparing Single Intra-op Dose of Methadone Versus Placebo in Patients Undergoing Spine Surgery

NCT02206685
View directory record Official record
Conditions
Thoracolumbar Scoliosis
Interventions
Methadone, Normal Saline
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
10 Years to 17 Years
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 16, 2021 · Synced Oct 13, 2026, 10:50 AM EDT
Completed Not applicable Interventional

Vouchers vs. Prizes for Cocaine-Dependent Methadone Patients - 2

NCT00249535
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Contingency management
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 30, 2012 · Synced Oct 13, 2026, 10:50 AM EDT
Completed Phase 2 Interventional

Methadone/Buprenorphine Cross-Over Study - 4

NCT00000208
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Buprenorphine
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
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 Aug 17, 2005 · Synced Oct 13, 2026, 10:50 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Estimate The Effect Of Lersivirine On The Pharmacokinetics Of S- And R-Methadone

NCT01099748
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Methadone, Lersivirine + Methadone
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 30, 2010 · Synced Oct 13, 2026, 10:50 AM EDT
Completed Not applicable Interventional

Remotely Observed Methadone Evaluation

NCT06200740
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Sonara
Device
Lead sponsor
Sonara Health
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Roseburg, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 11, 2024 · Synced Oct 13, 2026, 10:50 AM EDT
Completed Not applicable Interventional

A Prospective Trial to Assess Cost and Clinical Outcomes of a Clinical Pharmacogenomic Program

NCT02297126
View directory record Official record
Conditions
Adverse Drug Reaction
Interventions
Pharmacogenetic Intervention Arm (pharmacogenetic testing)
Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
4,465 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 8, 2021 · Synced Oct 13, 2026, 10:50 AM EDT
Recruiting Not applicable Interventional

Novel Telemedicine-Delivered Prolonged Exposure Therapy for Treating PTSD in Individuals With OUD

NCT06288711
View directory record Official record
Conditions
Opioid Use Disorder, Posttraumatic Stress Disorder
Interventions
Prolonged exposure therapy, Financial incentives, Treatment as usual
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Oct 13, 2026, 10:50 AM EDT
Completed No phase listed Observational

The Heroes Circle Opioid Project

NCT03595007
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Kids Kicking Cancer program
Behavioral
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 75 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 30, 2024 · Synced Oct 13, 2026, 10:50 AM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

Role of CYP2B6, CYP3A4, and MDR1 in the Metabolic Clearance of Methadone

NCT00504413
View directory record Official record
Conditions
Substance-Related Disorders
Interventions
midazolam(drug), digoxin (drug), Bupropion (drug), Methadone (drug)
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 13, 2010 · Synced Oct 13, 2026, 10:50 AM EDT
Completed Phase 2 Interventional Results available

Cannabidiol in the Treatment of Opioid Use Disorder

NCT06206291
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Placebo, Cannabidiol (CBD) 200mg, Cannabidiol (CBD) 400mg
Drug
Lead sponsor
Yasmin Hurd
Other
Eligibility
18 Years to 65 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 18, 2026 · Synced Oct 13, 2026, 10:50 AM EDT
Completed Phase 4 Interventional

Feasibility Study of Take-Home LAAM Medication - 3

NCT00000300
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
LAAM
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 99 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1995
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 1, 2017 · Synced Oct 13, 2026, 10:50 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Epidural Methadone in Healthy Volunteers

NCT03525509
View directory record Official record
Conditions
Pain, Acute
Interventions
Methadone hydrochloride, Morphine Sulfate
Drug
Lead sponsor
simon.haroutounian
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 18, 2019 · Synced Oct 13, 2026, 10:50 AM EDT
Completed Not applicable Interventional

Prize Contingency Management for Cocaine-Dependent Methadone Patients

NCT01401270
View directory record Official record
Conditions
Cocaine Abuse
Interventions
prize contingency management
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
280 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 13, 2019 · Synced Oct 13, 2026, 10:50 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers

Intraoperative Methadone for Postoperative Pain Control After Thoracic Surgery

NCT04525898
View directory record Official record
Conditions
Postoperative Pain
Interventions
Methadone
Drug
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 21, 2021 · Synced Oct 13, 2026, 10:50 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Disulfiram for Treating Cocaine Dependence in Individuals Maintained on Methadone

NCT00218608
View directory record Official record
Conditions
Cocaine-Related Disorders, Opioid-Related Disorders
Interventions
Disulfiram
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 65 Years
Enrollment
158 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2007
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jan 31, 2012 · Synced Oct 13, 2026, 10:50 AM EDT
Recruiting Phase 4 Interventional

Methadone Versus Intrathecal Hydromorphone for Postoperative Pain Relief in Gynecologic Cancer Undergoing Surgery

NCT06525740
View directory record Official record
Conditions
Malignant Female Reproductive System Neoplasm
Interventions
Hydromorphone, Methadone, Questionnaire Administration
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
Female only
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Oct 13, 2026, 10:50 AM EDT
Recruiting Not applicable Interventional

Long-Term Treatment of Opioid Use Disorder

NCT05534815
View directory record Official record
Conditions
Drug Addiction, Employment
Interventions
Employment-based abstinence reinforcement
Behavioral
Lead sponsor
Northern Michigan University
Other
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Marquette, Michigan
Source: ClinicalTrials.gov public record
Updated May 2, 2025 · Synced Oct 13, 2026, 10:50 AM EDT
Completed Not applicable Interventional Results available

Varenicline Smoking Cessation Treatment for Methadone Maintenance Patients

NCT01378858
View directory record Official record
Conditions
Tobacco Use Disorder, Medication Adherence
Interventions
Varenicline
Drug
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Mar 11, 2021 · Synced Oct 13, 2026, 10:50 AM EDT
Completed Not applicable Interventional

Effect of Music on Cue Reactivity for Patients With Opioid Use Disorder

NCT06948890
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Music intervention, Silence
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Oct 13, 2026, 10:50 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Fetal and Infant Effects of Maternal Buprenorphine Treatment

NCT01561079
View directory record Official record
Conditions
Neonatal Abstinence Syndrome
Interventions
Buprenorphine
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 26, 2017 · Synced Oct 13, 2026, 10:50 AM EDT