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 5, 2026, 5:59 AM EDT

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

Showing 1–24 of 148 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Methadone Treatment Clear all
Completed Not applicable Interventional

Improving Delivery of Mental Health Services for Patients With Drug Use and Other Behavioral and Emotional Problems

NCT00787735
View directory record Official record
Conditions
Study Focusing on Integrated Versus Non-integrated Psychiatric Care in, Opioid-dependent and Methadone Treated Patients With Other Psychiatric, Diagnoses
Interventions
Counseling compliance
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 80 Years
Enrollment
380 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 5, 2017 · Synced Sep 5, 2026, 5:59 AM EDT
Completed Phase 2 Interventional Results available

Galantamine to Enhance Cognitive Behavioral Therapy for Cocaine Abuse

NCT00809835
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Galantamine, Computer Assisted Cognitive Behavioral Therapy (CBT)
Drug · Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2015
U.S. locations
2
States / cities
Bridgeport, Connecticut • Stratford, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 29, 2019 · Synced Sep 5, 2026, 5:59 AM EDT
Completed Phase 3 Interventional

A Study to Evaluate Withdrawal Effects Following Dosing of Oxycodone/Naltrexone in Methadone-Maintained Subjects

NCT02391571
View directory record Official record
Conditions
Withdrawal Symptoms
Interventions
Oxycodone/Naltrexone Capsules, Oxycodone, Placebo
Drug
Lead sponsor
Elite Laboratories, Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 9, 2016 · Synced Sep 5, 2026, 5:59 AM EDT
Completed Phase 2Phase 3 Interventional

Directly Administered HIV Therapy in Methadone Clinics

NCT00279110
View directory record Official record
Conditions
HIV Infections, Heroin Dependence
Interventions
Directly administered antiretroviral therapy (DAART)
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
5
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 14, 2015 · Synced Sep 5, 2026, 5:59 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Opioid Treatment Program (OTP)-Pharmacy Collaboration for Methadone Maintenance Treatment

NCT04308694
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Pharmacy-based methadone administration and dispensing
Drug
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
3
States / cities
Raleigh, North Carolina • Zebulon, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 31, 2022 · Synced Sep 5, 2026, 5:59 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 5, 2026, 5:59 AM EDT
Terminated Phase 2 Interventional

Increased Sensitivity to Pain Caused by Opioids in People Who Have Abused Prescription Opioids

NCT01821430
View directory record Official record
Conditions
Chronic Pain
Interventions
Pregabalin, Placebo
Drug
Lead sponsor
Georgetown University
Other
Eligibility
21 Years to 65 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 8, 2017 · Synced Sep 5, 2026, 5:59 AM EDT
Completed Not applicable Interventional Results available

Pilot of Mindfulness Oriented Recovery Enhancement in MethadoneTreatment

NCT03894501
View directory record Official record
Conditions
Opioid Use, Chronic Pain
Interventions
Mindfulness Oriented Recovery Enhancement, Methadone program behavioral treatment as usual
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 10, 2022 · Synced Sep 5, 2026, 5:59 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Investigation of the Pharmacokinetic Profile of CBD

NCT05269706
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Cannabidiol 200mg, Epidiolex, Cannabidiol 400mg, Placebo
Drug
Lead sponsor
Yasmin Hurd
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 13, 2025 · Synced Sep 5, 2026, 5:59 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Leveraging Regulatory Flexibility for Methadone Take-Home Dosing to Improve Retention in Treatment for Opioid Use Disorder

NCT05675735
View directory record Official record
Conditions
Problems Related to Social Environment
Interventions
Clinic-Level Multidimensional Intervention
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
318 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
4
States / cities
Storrs, Connecticut • Buffalo, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 5, 2026, 5:59 AM EDT
Completed No phase listed Observational Results available

Fetal Neurobehavior in Non-methadone Maintained Women in Substance Abuse Treatment

NCT00522626
View directory record Official record
Conditions
Pregnancy, Drug Abuse
Interventions
Maternal fetal monitoring
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 29, 2016 · Synced Sep 5, 2026, 5:59 AM EDT
Completed No phase listed Observational

The Pharmacokinetics of Oral Methadone in the Treatment of Neonatal Abstinence Syndrome

NCT01754324
View directory record Official record
Conditions
Neonatal Abstinence Syndrome
Interventions
Methadone
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
Up to 1 Month
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
2
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 12, 2014 · Synced Sep 5, 2026, 5:59 AM EDT
Recruiting Phase 2 Interventional

Psilocybin for Opioid Use Disorder (OUD)

NCT06796062
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Psilocybin
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 65 Years
Enrollment
480 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
5
States / cities
Albuquerque, New Mexico • Brooklyn, New York • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Sep 5, 2026, 5:59 AM EDT
Completed Not applicable Interventional

Dextromethorphan, Gabapentin, and Oxycodone to Treat Opioid-Induced Hyperalgesia

NCT00218374
View directory record Official record
Conditions
Hyperalgesia, Opioid-Related Disorders
Interventions
Gabapentin
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Sep 5, 2026, 5:59 AM EDT
Completed Not applicable Interventional Results available

Peer-Delivered Behavioral Activation for Methadone Adherence - Pilot Phase

NCT04248933
View directory record Official record
Conditions
Substance Use, Substance Use Disorders, Opioid-use Disorder, Peer Delivered, Medication for Opioid Use Disorder (MOUD), Methadone Treatment, Retention in Care, Behavioral Activation
Interventions
Peer-Delivered Behavioral Activation (Peer Activate)
Behavioral
Lead sponsor
University of Maryland, College Park
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
Baltimore, Maryland • College Park, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 1, 2022 · Synced Sep 5, 2026, 5:59 AM EDT
Completed Phase 2 Interventional

Herbal Treatment of Hepatitis C in Methadone Maintained Patients

NCT00010816
View directory record Official record
Conditions
Hepatitis C
Interventions
Herbal remedies
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2003
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 17, 2006 · Synced Sep 5, 2026, 5:59 AM EDT
Terminated Not applicable Interventional Results available

Intraoperative Methadone vs Morphine for Postoperative Pain Control in Patients Undergoing Surgery of the Tibia

NCT01430182
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Methadone, Morphine
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 50 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 3, 2016 · Synced Sep 5, 2026, 5:59 AM EDT
Completed Phase 1 Interventional

A Study to Assess the Effect of Concomitant Administration of Fluconazole on the Clinical Pharmacokinetics of Methadone

NCT00000788
View directory record Official record
Conditions
Candidiasis, HIV Infections
Interventions
Methadone hydrochloride, Fluconazole
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1994
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Nov 2, 2021 · Synced Sep 5, 2026, 5:59 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 5, 2026, 5:59 AM EDT
Completed Phase 2Phase 3 Interventional

Treatment of Adult Attention Deficit Hyperactivity Disorder (ADHD) in Methadone Patients - 1

NCT00061087
View directory record Official record
Conditions
ADHD, Opioid-Related Disorders, Cocaine Dependence
Interventions
Methylphenidate, Bupropion, Placebo
Drug · Other
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2004
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 22, 2019 · Synced Sep 5, 2026, 5:59 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Methadone Oxytocin Option

NCT01728909
View directory record Official record
Conditions
Substance Abuse, Opioid Dependence, Methadone Treatment
Interventions
Oxytocin, Saline Nasal Spray
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 20, 2019 · Synced Sep 5, 2026, 5:59 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

COVID-19-Related Opioid Treatment Policy Evaluation

NCT05028998
View directory record Official record
Conditions
Opioid-use Disorder, Alcohol Use Disorder
Interventions
Not listed
Lead sponsor
Boston VA Research Institute, Inc.
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 31, 2023 · Synced Sep 5, 2026, 5:59 AM EDT
Recruiting Phase 2 Interventional

Combined THC and CBD for OUD and Chronic Pain

NCT06544291
View directory record Official record
Conditions
Chronic Pain, Opioid Use Disorder
Interventions
CBD 300mg, CBD 600mg, Placebo 0mg
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 5, 2026, 5:59 AM EDT
Completed Phase 2 Interventional Results available

Efficacy of Levetiracetam in Cocaine-Abusing Methadone Maintained Patients

NCT00577005
View directory record Official record
Conditions
Cocaine Dependence, Opioid Dependency
Interventions
levetiracetam, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 16, 2018 · Synced Sep 5, 2026, 5:59 AM EDT