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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Methadone Hydrochloride Clear all
Active, not recruiting Phase 4 Interventional

Oral Methadone in Cardiac Surgery

NCT07221617
View directory record Official record
Conditions
Pain, Postoperative, Anesthesia, Cardiac Surgery
Interventions
Methadone, oral, Methadone, intravenously
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Sep 29, 2026, 8:05 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 29, 2026, 8:05 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Study of D-Methadone in Patients With Chronic Pain

NCT00588640
View directory record Official record
Conditions
Pain, Bladder Cancer, Breast Cancer, CNS Cancer, Colon Cancer, Esophageal Cancer, Pancreatic Cancer, Prostate Cancer, Uterine Cancer, Head and Neck Cancer, Eye Cancer, Otorhinolaryngologic Neoplasms
Interventions
D-methadone, placebo
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 9, 2016 · Synced Sep 29, 2026, 8:05 PM EDT
Completed Phase 1 Interventional

Methadone Pharmacokinetics and Cardiac Effects in Newborns

NCT00715988
View directory record Official record
Conditions
Pain
Interventions
Methadone HCl Inject 10 mg/ml (will require dilution), Methadone
Drug
Lead sponsor
University of Utah
Other
Eligibility
29 Weeks to 48 Weeks
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2017
U.S. locations
2
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 31, 2022 · Synced Sep 29, 2026, 8:05 PM EDT
Completed Not applicable Interventional Results available

Varenicline or Nicotine Patch and Nicotine Gum in Helping Smokers in a Methadone Treatment Program Stop Smoking

NCT00790569
View directory record Official record
Conditions
Bladder Cancer, Cervical Cancer, Esophageal Cancer, Gastric Cancer, Head and Neck Cancer, Kidney Cancer, Leukemia, Liver Cancer, Lung Cancer, Pancreatic Cancer, Tobacco Use Disorder
Interventions
nicotine, varenicline, placebo
Drug · Other
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 120 Years
Enrollment
315 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jun 5, 2018 · Synced Sep 29, 2026, 8:05 PM EDT
Completed No phase listed Observational

Methadone-Induced QT Interval Prolongation in a Narcotic Treatment Center

NCT02898337
View directory record Official record
Conditions
QT Interval Prolongation
Interventions
AliveCor handheld mobile ECG
Device
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 7, 2021 · Synced Sep 29, 2026, 8:05 PM EDT
Completed Phase 1 Interventional

A Study to Assess the Drug-drug Interaction of BMS 663068 With Methadone and Also With Buprenorphine/Naloxone

NCT02666001
View directory record Official record
Conditions
Infection, Human Immunodeficiency Virus
Interventions
BMS-663068, Methadone, Buprenorphine and Norbuprenorphine
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
2
States / cities
Orlando, Florida • Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 8, 2017 · Synced Sep 29, 2026, 8:05 PM EDT
Completed Phase 3 Interventional

IRB-HSR# 14145 R,S Methadone: Analgesia and Pharmacokinetics in Adolescents Undergoing Scoliosis Correction

NCT01205256
View directory record Official record
Conditions
Scoliosis
Interventions
methadone
Drug
Lead sponsor
University of Virginia
Other
Eligibility
12 Years to 19 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 2, 2016 · Synced Sep 29, 2026, 8:05 PM EDT
Recruiting Not applicable Interventional

Personalized Addiction Treatment enHancement

NCT07778394
View directory record Official record
Conditions
Opioid Use Disorder, mHealth, Peer Support
Interventions
Vira Platform, Treatment-As-Usual
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
22 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Sep 29, 2026, 8:05 PM EDT
Completed Not applicable Interventional Results available

Remote Methadone Ingestion Surveillance Trial (RMIST)

NCT05259501
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
RMIST
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 29, 2026, 8:05 PM 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 29, 2026, 8:05 PM EDT
Completed Not applicable Interventional

Adjunctive Bright Light Therapy for Opioid Use Disorder

NCT05459922
View directory record Official record
Conditions
Opioid Use Disorder, Sleep Disturbance
Interventions
Wearable bright light therapy device, Wearable placebo light therapy device
Device
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 65 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Sep 29, 2026, 8:05 PM EDT
Completed Phase 4 Interventional Results available

MAST Trial: Multi-modal Analgesic Strategies in Trauma

NCT03472469
View directory record Official record
Conditions
Nonspecific Pain Post Traumatic Injury
Interventions
Acetaminophen IV/PO, Acetaminophen PO, Ketorolac, Celebrex, Naproxen, Tramadol, Pregabalin, Gabapentin, Lidocaine, Opioids, Regional anesthesia
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
16 Years and older
Enrollment
1,561 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 17, 2021 · Synced Sep 29, 2026, 8:05 PM EDT
Completed Not applicable Interventional Results available

Social Work Assistance and Stipends for Housing (SASH)

NCT05803603
View directory record Official record
Conditions
Opioid-Related Disorders, Housing Problems
Interventions
Stipend and Social Work Supports
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 80 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 17, 2025 · Synced Sep 29, 2026, 8:05 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 29, 2026, 8:05 PM 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 29, 2026, 8:05 PM EDT
Completed Phase 2 Interventional Results available

Hyperalgesia in Methadone-Maintained Patients: Can it be Treated?

NCT01210079
View directory record Official record
Conditions
Opioid-Induced Hyperalgesia
Interventions
Gabapentin;, Placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 55 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2010
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 5, 2012 · Synced Sep 29, 2026, 8:05 PM EDT
Terminated Not applicable Interventional Results available

Methadone, Morphine, or Oxycodone in Treating Pain in Patients With Cancer

NCT00726830
View directory record Official record
Conditions
Brain and Central Nervous System Tumors, Chronic Myeloproliferative Disorders, Leukemia, Lymphoma, Lymphoproliferative Disorder, Multiple Myeloma and Plasma Cell Neoplasm, Myelodysplastic Syndromes, Myelodysplastic/Myeloproliferative Neoplasms, Pain, Precancerous Condition, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
methadone hydrochloride, morphine sulfate, oxycodone hydrochloride
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
2
States / cities
Spartanburg, South Carolina • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 23, 2020 · Synced Sep 29, 2026, 8:05 PM EDT
Recruiting Phase 3 Interventional

Intrathecal Morphine Versus Intravenous Methadone for Postoperative Analgesia Following Retroperitoneal Lymph Node Dissection.

NCT06593665
View directory record Official record
Conditions
Testicular Cancer
Interventions
Inrathecal Morphine, Intravenous Methadone
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 80 Years · Male only
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Sep 29, 2026, 8:05 PM EDT
Recruiting No phase listed Observational

Predicting and Preventing Adverse Maternal and Child Outcomes of Opioid Use Disorder in Pregnancy

NCT05942313
View directory record Official record
Conditions
Opioid Use Disorder, Pregnancy Related
Interventions
Buprenorphine/ Methadone exposure
Drug
Lead sponsor
Ilana Hull
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Sep 29, 2026, 8:05 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

The Efficacy of Methadyl Acetate (LAAM) and Contingency Management Procedures for Treating Dual Opioid and Cocaine Abuse - 1

NCT00158288
View directory record Official record
Conditions
Behavior Therapy, Cocaine, Contingency Management, Heroin Dependence, LAAM, Opioid Dependence, Substance-Related Disorders, Alcohol & Drug Use
Interventions
LAAM
Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 55 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2001
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Sep 29, 2026, 8:05 PM 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 29, 2026, 8:05 PM EDT
Terminated Phase 2 Interventional Results available

Methadone Versus Morphine for Cancer-Related Pain

NCT00573937
View directory record Official record
Conditions
Neoplasms, Pain
Interventions
Methadone, Morphine
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 18, 2016 · Synced Sep 29, 2026, 8:05 PM EDT
Terminated Phase 3 Interventional Results available

Morphine Versus Methadone As First Line Strong Opioid for Cancer Pain

NCT00634010
View directory record Official record
Conditions
Advanced Cancer, Solid Tumors
Interventions
Morphine, Methadone
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
3
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 8, 2016 · Synced Sep 29, 2026, 8:05 PM EDT