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 are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 19, 2026, 7:34 AM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Methadone Maintenance Clear all
Completed Phase 1 Interventional

Comparisons Of The Bioavailability And Pharmacodynamics Of Various Formulations Of MOA-728 In Subjects On Methadone

NCT00398502
View directory record Official record
Conditions
Metahdone-maintenance Subjects
Interventions
MOA-728
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 24, 2019 · Synced Sep 19, 2026, 7:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study Evaluating MOA-728 in Subjects on Stable Methadone Maintenance

NCT00447811
View directory record Official record
Conditions
Methadone-maintenance Subjects
Interventions
MOA-728
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Willingboro, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 24, 2019 · Synced Sep 19, 2026, 7:34 AM EDT
Not listed Not applicable Interventional

Trial of Methadone Maintenance Versus Methadone Detox in Jail

NCT01874964
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Methadone Maintenance, Linkage to methadone maintenance
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Cranston, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jun 10, 2013 · Synced Sep 19, 2026, 7:34 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Drug-drug Interaction Study of Bemnifosbuvir/Ruzasvir (BEM/RZR) and Buprenorphine/Naloxone or Methadone

NCT07314346
View directory record Official record
Conditions
Healthy Volunteer Study
Interventions
Buprenorphine/Naloxone + BEM/RZR, Methadone +BEM/RZR
Drug
Lead sponsor
Atea Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
3
States / cities
Hollywood, Florida • Overland Park, Kansas • Marlton, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 19, 2026, 7:34 AM EDT
Completed Phase 3 Interventional

Behavioral Drug and HIV Risk Reduction Counseling in Methadone Patients in China

NCT00757744
View directory record Official record
Conditions
Opiate Dependence, HIV Infections
Interventions
Behavioral Drug and HIV Risk Reduction Counseling (BDRC), Drug counseling
Behavioral
Lead sponsor
Yale University
Other
Eligibility
20 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 29, 2020 · Synced Sep 19, 2026, 7:34 AM EDT
Completed Phase 4 Interventional Results available

A Study of PEGASYS (Peginterferon Alfa-2a (40KD)) in Combination With Copegus (Ribavirin) in Patients With Chronic Hepatitis C (CHC) Enrolled in a Methadone Maintenance Treatment Program.

NCT00087594
View directory record Official record
Conditions
Hepatitis C, Chronic
Interventions
peginterferon alfa-2a [Pegasys], ribavirin
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
7
States / cities
San Francisco, California • Farmington, Connecticut • Honolulu, Hawaii + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2016 · Synced Sep 19, 2026, 7:34 AM EDT
Completed Not applicable Interventional

Preventing Depression in Methadone Maintenance Patients Receiving Hepatitis C Treatment - 1

NCT00218556
View directory record Official record
Conditions
Depressive Disorder, Major, Hepatitis C
Interventions
Cognitive behavioral treatment for depression
Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Sep 19, 2026, 7:34 AM EDT
Completed Phase 1 Interventional

HIV Counseling Intervention for Methadone-Maintained Patients - 2

NCT00061100
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Behavior Therapy-RISE, Standard prevention Education
Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2003
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 22, 2019 · Synced Sep 19, 2026, 7:34 AM EDT
Completed Phase 1 Interventional

Study of the Treatment of Experimental Pain in Opioid Dependent Persons on Methadone or Buprenorphine Maintenance

NCT01642030
View directory record Official record
Conditions
Opioid Dependence, Pain, Addiction
Interventions
Placebo, Hydromorphone, Buprenorphine
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 10, 2017 · Synced Sep 19, 2026, 7:34 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Activating Community Support for Substance Users

NCT03194295
View directory record Official record
Conditions
Substance Use Disorders
Interventions
Community Support Intervention Group, Substance Use Disorder Educational Group
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 75 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 20, 2020 · Synced Sep 19, 2026, 7:34 AM EDT
Completed Phase 1 Interventional

Treatment of Heroin and Cocaine With Methadone Maintenance and Contingency Management

NCT00292110
View directory record Official record
Conditions
Opiate-Related Disorders, Cocaine-Related Disorders
Interventions
Methadone, Contingency Management, Methadone dose, Contingency Management/Noncontingent Incentives
Drug · Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Sep 19, 2026, 7:34 AM EDT
Recruiting Not applicable Interventional

Food Insecurity and Eating Behavior Among Adults Receiving Buprenorphine or Methadone Maintenance Treatment: Pilot Study 2

NCT07251283
View directory record Official record
Conditions
Food Security
Interventions
NE + Meal Delivery (NE+MD) intervention
Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced Sep 19, 2026, 7:34 AM EDT
Completed Phase 1 Interventional

Cognitive-Behavioral Therapy for Pain and Opioid Dependence in Methadone Maintenance Treatment

NCT01334580
View directory record Official record
Conditions
Chronic Pain, Opiate Dependence
Interventions
Cognitive-Behavioral Therapy for Pain and Opioid Dependence, Methadone Drug Counseling
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 2, 2020 · Synced Sep 19, 2026, 7:34 AM EDT
Completed No phase listed Observational

Utility of Psychosocial Intervention in Improving Outcome for Methadone-exposed Infants and Their Mothers

NCT01889121
View directory record Official record
Conditions
Neonatal Abstinence Syndrome
Interventions
Structured psychosocial intervention
Behavioral
Lead sponsor
Dr. Henry Akinbi
Other
Eligibility
Female only
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 27, 2013 · Synced Sep 19, 2026, 7:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug Interaction Study Of Filibuvir With Methadone Among Subjects On Chronic Methadone Maintenance

NCT01210404
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
filibuvir
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
2
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 6, 2011 · Synced Sep 19, 2026, 7:34 AM EDT
Completed Phase 4 Interventional Results available

Smoking Cessation Treatment for Methadone Maintenance Patients

NCT01027754
View directory record Official record
Conditions
Smoking Cessation, Substance-Related Disorders
Interventions
Varenicline, Placebo
Drug
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated May 25, 2021 · Synced Sep 19, 2026, 7:34 AM EDT
Completed Phase 2 Interventional Results available

Gabapentin Treatment of Benzodiazepine Abuse in Methadone Maintenance Patients

NCT00420771
View directory record Official record
Conditions
Benzodiazepine Dependence, Opioid Dependence
Interventions
Gabapentin, Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Long Island City, New York
Source: ClinicalTrials.gov public record
Updated Apr 23, 2019 · Synced Sep 19, 2026, 7:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Aripiprazole for Prevention of Relapse to Cocaine Use in Methadone-Maintenance Patients

NCT00780702
View directory record Official record
Conditions
Cocaine Dependence, Cocaine-Related Disorders, Opioid-Related Disorders
Interventions
Airipiprazole, Placebo
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 60 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 15, 2019 · Synced Sep 19, 2026, 7:34 AM EDT
Completed Phase 1 Interventional

Cocaine Opioid Oxytocin Option - Limited

NCT02028533
View directory record Official record
Conditions
Opioid Use Disorder, Cocaine Use Disorder
Interventions
Oxytocin, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 20, 2019 · Synced Sep 19, 2026, 7:34 AM EDT
Active, not recruiting Phase 3 Interventional

Treating Polysubstance Use Using a Novel Digital Technology

NCT05766631
View directory record Official record
Conditions
Opioid Use, Opioid Use Disorder, Cocaine Use, Cocaine Use Disorder
Interventions
DynamiCare Health, Methadone Treatment-As-Usual
Behavioral · Drug
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
5
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Sep 19, 2026, 7:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Double-Blind, Double-Dummy, 2-Period Crossover of a 20-Minute Versus a 4-hour IV of MOA-728 in Stable Methadone Subjects

NCT00444158
View directory record Official record
Conditions
Constipation
Interventions
MOA-728
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 24, 2019 · Synced Sep 19, 2026, 7:34 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study on the Interaction Between Danoprevir/Ritonavir and Methadone

NCT01389544
View directory record Official record
Conditions
Healthy Volunteer
Interventions
danoprevir, methadone, ritonavir
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
2
States / cities
Anaheim, California • Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 1, 2016 · Synced Sep 19, 2026, 7:34 AM EDT
Completed Not applicable Interventional

Comparison of Two Counseling Induction Strategies

NCT01141920
View directory record Official record
Conditions
Methadone, Drug Use Disorders
Interventions
low threshold care, stepped-based care
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 16, 2015 · Synced Sep 19, 2026, 7:34 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Disulfiram for Cocaine Abuse

NCT00395850
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Disulfiram
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 65 Years
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Nov 12, 2013 · Synced Sep 19, 2026, 7:34 AM EDT