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ClinicalTrials.gov public records Last synced Sep 27, 2026, 10:49 AM EDT

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Showing 25–38 of 14 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: methadone and morphine Clear all
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 27, 2026, 10:49 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Measuring the Amount of Methadone or Morphine in the Blood of Neonates, Infants & Children After Cardiac Surgery.

NCT01094522
View directory record Official record
Conditions
Pain
Interventions
Methadone, Morphine
Drug
Lead sponsor
Stanford University
Other
Eligibility
Up to 5 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
3
States / cities
Stanford, California • Denver, Colorado • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 17, 2017 · Synced Sep 27, 2026, 10:49 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 27, 2026, 10:49 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 27, 2026, 10:49 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 27, 2026, 10:49 AM 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 27, 2026, 10:49 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Effect of Methadone and Hydromorphone on the QT Interval After Anesthesia and Surgery

NCT03893734
View directory record Official record
Conditions
EKG-QT Prolongation
Interventions
methadone, Hydromorphone
Drug
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 80 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 12, 2019 · Synced Sep 27, 2026, 10:49 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 27, 2026, 10:49 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 27, 2026, 10:49 AM EDT
Completed Phase 4 Interventional

Reducing Pain With Methadone and Ketamine in Liver Transplant

NCT06868589
View directory record Official record
Conditions
Liver Transplantation
Interventions
Methadone, ketamine, Hydromorphone, fentanyl
Drug
Lead sponsor
Lahey Clinic
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Burlington, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Sep 27, 2026, 10:49 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 27, 2026, 10:49 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 27, 2026, 10:49 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 27, 2026, 10:49 AM EDT
Not yet recruiting Phase 3 Interventional

An Artificial Intelligence Driven Approach to Optimize Patient Selection for a Transitional Pain Service

NCT07296770
View directory record Official record
Conditions
Postsurgical Pain Management, Postsurgical Pain, Chronic, Opioid Use After Surgery
Interventions
TPS-Select, Pharmacologic Pain Management, Interventional Pain Procedures, Psychological Management and Pain Education, Physical Therapy
Device · Drug · Procedure + 1 more
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Sep 27, 2026, 10:49 AM EDT