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Showing 1–24 of 38 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: methadone and morphine Clear all
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 4, 2026, 8:11 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 4, 2026, 8:11 AM 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 4, 2026, 8:11 AM 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 4, 2026, 8:11 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Use of Driving Tests to Evaluate Patient Performance on Oral Opioids

NCT00659035
View directory record Official record
Conditions
Chronic Pain
Interventions
Not listed
Lead sponsor
Asokumar Buvanendran
Other
Eligibility
18 Years to 80 Years
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Sep 4, 2026, 8:11 AM EDT
Completed Not applicable Interventional Results available

Methadone in Pediatric and Adult Sickle Cell Patients

NCT00761085
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Morphine, Methadone
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
7 Years to 40 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 21, 2020 · Synced Sep 4, 2026, 8:11 AM EDT
Completed Phase 2 Interventional Results available

Comparison of A Single Dose Combination of Methadone and Morphine With Morphine Alone for Treating Post-operative Pain

NCT00142519
View directory record Official record
Conditions
Pain
Interventions
Methadone, methadone and morphine
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 14, 2019 · Synced Sep 4, 2026, 8:11 AM EDT
Not listed Phase 4 Interventional

Multimodal Narcotic Limited Perioperative Pain Control With Colorectal Surgery

NCT02958566
View directory record Official record
Conditions
Colon Cancer, Colon Diverticulosis, Colonic Neoplasms, Colonic Diverticulitis, Pain, Postoperative, Ileus, Ileus Paralytic, Ileus; Mechanical, Constipation Drug Induced, Constipation, Rectum Cancer, Rectum Neoplasm
Interventions
Acetaminophen, Gabapentin, Orphenadrine, Lidocaine, Marcaine, Ketamine, Methadone, Tramadol, Ketorolac, Morphine Sulfate, Fentanyl, Dilaudid, Hydrocodone-Acetaminophen Tab 5-325 MG, HYDROCODONE/ACETAMINOPHEN 5 Mg-325 Mg ORAL TABLET
Drug
Lead sponsor
University of Illinois College of Medicine at Peoria
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Peoria, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 19, 2017 · Synced Sep 4, 2026, 8:11 AM EDT
Completed Phase 1 Interventional

Gabapentin, Methadone Hydrochloride, and Oxycodone Hydrochloride in Improving Quality of Life in Patients With Stage II-IV Head and Neck Cancer During Chemoradiation

NCT02531906
View directory record Official record
Conditions
Head and Neck Squamous Cell Carcinoma, Pain, Stomatitis
Interventions
Gabapentin, Methadone Hydrochloride, Oxycodone Hydrochloride, Quality-of-Life Assessment, Questionnaire Administration
Drug · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jul 24, 2022 · Synced Sep 4, 2026, 8:11 AM EDT
Completed Phase 4 Interventional Results available

Methadone Versus Morphine for Orthopedic Surgery Patients

NCT00892606
View directory record Official record
Conditions
Fracture, Pain, Postoperative
Interventions
Methadone, Morphine
Drug
Lead sponsor
University of Louisville
Other
Eligibility
18 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Jun 13, 2017 · Synced Sep 4, 2026, 8:11 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Intraoperative Methadone Administration for Improved Pain Control in Spinal Fusion Patients

NCT02989597
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Methadone Hydrochloride, Standard pain regimen, Spinal Fusion Surgery, Dexamethasone, Ketamine, Remifentanil, Sufentanil
Drug · Other · Procedure
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated May 21, 2023 · Synced Sep 4, 2026, 8:11 AM EDT
Completed Phase 4 Interventional

Intraoperative Opioids and Postoperative Recovery After Hepatobiliary or Foregut Surgery

NCT01546948
View directory record Official record
Conditions
Postoperative Pain
Interventions
Methadone, Hydromorphone
Drug
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 20, 2021 · Synced Sep 4, 2026, 8:11 AM EDT
Completed Phase 4 Interventional Results available

Optimizing Outpatient Anesthesia (OSPREy-Outpatient Surgery Pain Relief Enhancement)

NCT03726268
View directory record Official record
Conditions
Opioid Use, Pain, Postoperative
Interventions
Methadone, Fentanyl, Hydromorphone, Morphine, Sufentanil
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 65 Years
Enrollment
907 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 18, 2025 · Synced Sep 4, 2026, 8:11 AM EDT
Completed Not applicable Interventional Results available

Real-time Decision Support for Postoperative Nausea and Vomiting (PONV) Prophylaxis

NCT02625181
View directory record Official record
Conditions
Postoperative Nausea and Vomiting
Interventions
Automated recommendation at the start of the case, Automated notification at the start of surgery, Preoperative recommendations: by email, Automated notification at the end of surgery, Anesthesia Information Management System (AIMS), Perioperative Data Warehouse (PDW), General anesthesia, Elective surgery, Propofol, Sevoflurane, Isoflurane, Desflurane, Scopolamine, Droperidol, Haloperidol, Dexamethasone, Promethazine, Meclizine, Aprepitant, Metoclopramide, Fentanyl, Sufentanil, Alfentanil, Remifentanil, Morphine, Meperidine, Hydromorphone, Methadone, Oxycodone, Oxymorphone, Hydrocodone, Ketamine, Ondansetron, Granisetron, Dolasetron mesylate, Palonosetron, Tropisetron, Ramosetron
Procedure · Device · Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
27,034 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 6, 2019 · Synced Sep 4, 2026, 8:11 AM EDT
Not listed Early Phase 1 Interventional

Pain Control and Quality of Recovery After Intravenous Methadone Versus Intrathecal Morphine in Major Abdominal Surgery

NCT06387303
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Methadone, Morphine
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 10, 2025 · Synced Sep 4, 2026, 8:11 AM EDT
Terminated Phase 2 Interventional Results available

Biased Opioid Agonists for Treatment of Opioid Withdrawal in OUD

NCT04316559
View directory record Official record
Conditions
Opioid-Use Disorder
Interventions
Placebo, TRV734, Oxycodone
Other · Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 75 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Sep 4, 2026, 8:11 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Methadone vs. Fentanyl Administration on Postoperative Pain Control in Pediatric Patients Undergoing Cardiac Surgery

NCT02747875
View directory record Official record
Conditions
Opioid Use, Unspecified
Interventions
Methadone, Fentanyl
Drug
Lead sponsor
Andrew Waberski
Other
Eligibility
2 Years to 7 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated May 31, 2021 · Synced Sep 4, 2026, 8:11 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Hallucinogens and Other Drugs on Mood and Performance

NCT02033707
View directory record Official record
Conditions
Healthy
Interventions
Hallucinogens and psychoactive substances
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 15, 2019 · Synced Sep 4, 2026, 8:11 AM EDT
Completed Phase 3 Interventional Results available

Improving Outcomes in Neonatal Abstinence Syndrome

NCT01958476
View directory record Official record
Conditions
Neonatal Abstinence Syndrome, Neonatal Opioid Withdrawal
Interventions
Neonatal Morphine Solution, Methadone, Phenobarbital
Drug
Lead sponsor
Tufts Medical Center
Other
Eligibility
Not listed
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
8
States / cities
Jacksonville, Florida • Portland, Maine • Boston, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2019 · Synced Sep 4, 2026, 8:11 AM EDT
Completed Phase 2 Interventional Results available

Gabapentin, Methadone, and Oxycodone With or Without Venlafaxine Hydrochloride in Managing Pain in Participants With Stage II-IV Squamous Cell Head and Neck Cancer Undergoing Chemoradiation Therapy

NCT03574792
View directory record Official record
Conditions
Stage III Cutaneous Squamous Cell Carcinoma of the Head and Neck AJCC v8, Stage IV Cutaneous Squamous Cell Carcinoma of the Head and Neck AJCC v8
Interventions
Gabapentin, Methadone, Oxycodone, Quality-of-Life Assessment, Questionnaire Administration, Venlafaxine, Venlafaxine Hydrochloride Extended Release
Drug · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 4, 2026, 8:11 AM EDT
Completed Phase 4 Interventional Results available

Treatment of Neonatal Abstinence Syndrome

NCT01723722
View directory record Official record
Conditions
Neonatal Abstinence Syndrome
Interventions
Methadone, Diluted Deodorized Tincture of Opium
Drug
Lead sponsor
Eastern Maine Medical Center
Other
Eligibility
1 Day to 6 Days
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Bangor, Maine
Source: ClinicalTrials.gov public record
Updated Nov 26, 2013 · Synced Sep 4, 2026, 8:11 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Methadone and Hydromorphone For Spinal Surgery

NCT02107339
View directory record Official record
Conditions
Hydromorphone Use, Acute Postoperative Pain, Patient Satisfaction, Chronic Persistent Surgical Pain
Interventions
Methadone, Hydromorphone
Drug
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 29, 2019 · Synced Sep 4, 2026, 8:11 AM EDT
Completed Not applicable Interventional Results available

Evaluation of Stepped Care for Chronic Pain in Iraq/Afghanistan Veterans (ESCAPE)

NCT00386243
View directory record Official record
Conditions
Low Back Pain, Pain, Pain, Intractable
Interventions
Cognitive behavioral therapy, Pain self-management program, Co-Analgesic Therapy, Opioid Analgesics
Behavioral · Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jul 4, 2019 · Synced Sep 4, 2026, 8:11 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 4, 2026, 8:11 AM EDT