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, 4:52 PM EDT

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

Showing 1–20 of 20 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Methadone Pill Clear all
Terminated Phase 4 Interventional Results available

Methadone and Medication Abortion

NCT04941443
View directory record Official record
Conditions
Pain, Medical Abortion
Interventions
Methadone Pill, Ibuprofen
Drug
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 22, 2023 · Synced Sep 5, 2026, 4:52 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 27, 2020 · Synced Sep 5, 2026, 4:52 PM EDT
Completed Phase 1 Interventional

Drug Discrimination in Methadone-Maintained Humans Study 1

NCT00593463
View directory record Official record
Conditions
Drug Dependence
Interventions
Cycloserine, Diltiazem, Gabapentin, Isradipine, Naloxone, Nifedipine, Placebo, Saline, Verapamil
Drug · Device
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Mar 10, 2011 · Synced Sep 5, 2026, 4:52 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Pharmacotherapy & CM for Opioid and Cocaine Dependence

NCT00838981
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Modafinil, Sugar Pill, Contingency Management, Methadone, cognitive behavioral treatment, Voucher Control
Drug · Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 2, 2021 · Synced Sep 5, 2026, 4:52 PM EDT
Completed Not applicable Interventional Results available

Efficacy of Varenicline in Methadone-Stabilized Cocaine Users

NCT00567320
View directory record Official record
Conditions
Cocaine Dependence, Nicotine Dependence
Interventions
Varenicline, Sugar pill or Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 1, 2020 · Synced Sep 5, 2026, 4:52 PM EDT
Completed Not applicable Interventional Results available

Cocaine Withdrawal and Pharmacotherapy Response

NCT00566969
View directory record Official record
Conditions
Cocaine Dependence, Opiate Dependence
Interventions
sugar pill, Carvedilol 25 mg, Carvedilol 50 mg
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 1, 2020 · Synced Sep 5, 2026, 4:52 PM EDT
Completed Not applicable Interventional

Harnessing Placebo Effects in Methadone Treatment

NCT02941809
View directory record Official record
Conditions
Opioid-use Disorder, Opioid-Related Disorders
Interventions
Open-Label Placebo (OLP)
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 10, 2020 · Synced Sep 5, 2026, 4:52 PM EDT
Terminated Not applicable Interventional Results available

A Drug Treatment for Cocaine Users Who Are Also on Methadone Maintenance Treatment

NCT01802515
View directory record Official record
Conditions
Cocaine Dependence, Opiate Dependence
Interventions
Atomoxetine, low dose, Atomoxetine, high dose, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 5, 2016 · Synced Sep 5, 2026, 4:52 PM EDT
Completed Not applicable Interventional Results available

Intensive Models of HCV Care for Injection Drug Users

NCT01857245
View directory record Official record
Conditions
Hepatitis C, Medication Adherence
Interventions
Intensive Models (mDOT and CGT) of HCV Care
Other
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 2, 2025 · Synced Sep 5, 2026, 4:52 PM EDT
Terminated Phase 3 Interventional Results available

Ibuprofen to Decrease Opioid Use and Post-operative Pain Following Unilateral Inguinal Herniorrhaphy

NCT02929589
View directory record Official record
Conditions
Pain, Hernia
Interventions
Ibuprofen, Opioid Medication, Placebo, Ibuprofen + Opioid medication
Drug
Lead sponsor
Mike O'Callaghan Military Hospital
Federal
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Nellis Air Force Base, Nevada
Source: ClinicalTrials.gov public record
Updated Mar 25, 2024 · Synced Sep 5, 2026, 4:52 PM EDT
Completed Phase 1 Interventional

Main Study of Lofexidine and Methadone Pharmacodynamic Interaction in Methadone Maintained Patients

NCT01650649
View directory record Official record
Conditions
Opioid Dependence, Methadone Withdrawal Syndrome
Interventions
Lofexidine HCl, Lofexidine-matching sugar pill
Drug
Lead sponsor
USWM, LLC (dba US WorldMeds)
Industry
Eligibility
18 Years to 60 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Oct 25, 2017 · Synced Sep 5, 2026, 4:52 PM EDT
Not yet recruiting Phase 3 Interventional

PO Methadone Ortho Outpatient

NCT06351215
View directory record Official record
Conditions
Arthroscopic Knee Repair, Arthroscopic Hip Repair
Interventions
Methadone group, Placebo
Drug
Lead sponsor
Keck School of Medicine of USC
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 4, 2025 · Synced Sep 5, 2026, 4:52 PM 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 5, 2026, 4:52 PM EDT
Recruiting Phase 2 Interventional

Acetazolamide in Central Sleep Apnea Patients Using Medication for Opioid Use Disorder

NCT06521476
View directory record Official record
Conditions
Central Sleep Apnea Comorbid With Opioid Use
Interventions
Acetazolamide, Placebo
Drug
Lead sponsor
Sanjay R Patel
Other
Eligibility
18 Years to 100 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 5, 2026, 4:52 PM EDT
Completed Not applicable Interventional Results available

The Effects of Minocycline in Opioid-maintained Patients

NCT02359006
View directory record Official record
Conditions
Opioid Dependence, Pain
Interventions
Minocycline, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 5, 2020 · Synced Sep 5, 2026, 4:52 PM EDT
Completed Phase 3 Interventional Results available

Insomnia and Drug Relapse Risk

NCT00253890
View directory record Official record
Conditions
Poor Quality Sleep, Opiate Addiction
Interventions
Trazodone, Placebo
Drug
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Dec 10, 2013 · Synced Sep 5, 2026, 4:52 PM EDT
Completed Phase 1 Interventional

Drug Discrimination in Methadone-Maintained Humans Study 3

NCT01068847
View directory record Official record
Conditions
Drug Dependence
Interventions
2-4 of the drugs listed below
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Mar 6, 2013 · Synced Sep 5, 2026, 4:52 PM EDT
Completed Phase 1 Interventional

Drug Discrimination in Methadone-Maintained Humans Study 2

NCT00733239
View directory record Official record
Conditions
Opioid Dependence
Interventions
2-4 of the drugs listed below
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Apr 17, 2012 · Synced Sep 5, 2026, 4:52 PM 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 5, 2026, 4:52 PM EDT
Completed Phase 2 Interventional Results available

Pharmacogenetics of Disulfiram for Cocaine

NCT00149630
View directory record Official record
Conditions
Cocaine Dependence, Opioid Dependence
Interventions
Disulfiram, Methadone, CBT, Lactose
Drug · Behavioral · Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 64 Years
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 14, 2017 · Synced Sep 5, 2026, 4:52 PM EDT