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ClinicalTrials.gov public records Last synced Nov 1, 2026, 2:37 PM EST

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Showing 577–600 of 1,428 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: opiates Clear all
Withdrawn Phase 4 Interventional

Buprenorphine/Naloxone Micro-Dosing for Postoperative Pain Management in Opioid-Tolerant Patients

NCT04771689
View directory record Official record
Conditions
Post-operative Pain
Interventions
Buprenorphine/Naloxone
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Nov 1, 2026, 2:37 PM EST
Recruiting Not applicable Interventional

Peer Support for Adolescents and Emerging Adults With Sickle Cell Pain

NCT06374238
View directory record Official record
Conditions
Pain, Sickle Cell Disease
Interventions
CBT+ Health coach, CBT w/o Health Coach ( self-guided), Usual Care
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
16 Years to 39 Years
Enrollment
390 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
14
States / cities
Mobile, Alabama • Los Angeles, California • Hartford, Connecticut + 10 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Nov 1, 2026, 2:37 PM EST
Recruiting Phase 4 Interventional

Methadone Versus Intrathecal Hydromorphone for Postoperative Pain Relief in Gynecologic Cancer Undergoing Surgery

NCT06525740
View directory record Official record
Conditions
Malignant Female Reproductive System Neoplasm
Interventions
Hydromorphone, Methadone, Questionnaire Administration
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
Female only
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Nov 1, 2026, 2:37 PM EST
Completed Phase 4 Interventional Results available

Understanding Treatment Response With Naltrexone Among White Alcoholics

NCT00817089
View directory record Official record
Conditions
Alcoholism
Interventions
Placebo Oral Tablet, Naltrexone
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 64 Years · Male only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 21, 2019 · Synced Nov 1, 2026, 2:37 PM EST
Completed Phase 1 Interventional Accepts healthy volunteers

A Relative Bioavailability Study of Oxycodone 5 mg / Ibuprofen 400 mg Tablets Under Fasting Conditions

NCT00864526
View directory record Official record
Conditions
Healthy
Interventions
Oxycodone HCl 5 mg / Ibuprofen 400 mg tablets, single dose, COMBONOX® tablets, single dose
Drug
Lead sponsor
Actavis Inc.
Industry
Eligibility
18 Years and older · Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 17, 2010 · Synced Nov 1, 2026, 2:37 PM EST
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Dexmedetomidine to Treat Bariatric Surgery-associated Pain

NCT02880540
View directory record Official record
Conditions
Obesity
Interventions
Fentanyl, Morphine, Dexmedetomidine
Drug
Lead sponsor
Janelle Vaughns
Other
Eligibility
12 Years to 20 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Dec 7, 2021 · Synced Nov 1, 2026, 2:37 PM EST
Completed Phase 2 Interventional

Effectiveness of Adding Morphine to Intraosseous Vancomycin for Pain Control in Total Knee Arthroplasty

NCT06716749
View directory record Official record
Conditions
Primary Total Knee Arthroplasty, Intraosseous Morphine Injection, Knee Osteoarthritis
Interventions
Morphine, Vancomycin
Drug
Lead sponsor
Carilion Clinic
Other
Eligibility
18 Years to 100 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Nov 1, 2026, 2:37 PM EST
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Open-Label, Multiple-Dose, Non-Randomized Study to Assess Drug-Drug Interactions of Proellex® in Female Subjects

NCT00741468
View directory record Official record
Conditions
Drug Interactions
Interventions
Proellex, CYP1A2 probe, CYP2C9 probe, CYP2C19 probe, CYP2D6 probe, CYP3A4 probe
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
18 Years to 48 Years · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 22, 2014 · Synced Nov 1, 2026, 2:37 PM EST
Completed No phase listed Observational Accepts healthy volunteers

The Effects of Water Temperature on the Cold Pressor Test

NCT03083626
View directory record Official record
Conditions
Chronic Pain
Interventions
Cold pressor test
Other
Lead sponsor
Georgetown University
Other
Eligibility
21 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 20, 2017 · Synced Nov 1, 2026, 2:37 PM EST
Completed Phase 3 Interventional Accepts healthy volunteers

A Clinical Trial of Intravenous Lidocaine After Spinal Surgery to Prevent Delirium and Reduce Pain

NCT05010148
View directory record Official record
Conditions
Postoperative Delirium, Postoperative Pain, Spinal Fusion
Interventions
Lidocaine IV, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
60 Years and older
Enrollment
219 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Nov 1, 2026, 2:37 PM EST
Completed Phase 2 Interventional

Inhaled Morphine Compared With Morphine By Mouth in Treating Cancer Patients With Breakthrough Pain

NCT00020618
View directory record Official record
Conditions
Pain, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
morphine sulfate, quality-of-life assessment
Drug · Procedure
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 18, 2013 · Synced Nov 1, 2026, 2:37 PM EST
Completed Phase 4 Interventional

Biomarkers of Injectable Extended Release Naltrexone Treatment

NCT02324725
View directory record Official record
Conditions
Heroin Dependence, Opioid Dependence
Interventions
Naltrexone
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 12, 2023 · Synced Nov 1, 2026, 2:37 PM EST
Completed Phase 3 Interventional Results available

Medication Treatment for Opioid Use Disorder in Expectant Mothers

NCT03918850
View directory record Official record
Conditions
Opioid-Related Disorders, Drug Addiction, Pregnancy Related, Substance Abuse, Drug Abuse, Neonatal Abstinence Syndrome, Neonatal Opioid Withdrawal Syndrome, Drug Abuse in Pregnancy
Interventions
Buprenorphine Injection, Buprenorphine Sublingual Product
Drug
Lead sponsor
T. John Winhusen, PhD
Other
Eligibility
18 Years to 41 Years · Female only
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
12
States / cities
Jacksonville, Florida • Boston, Massachusetts • Albuquerque, New Mexico + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Nov 1, 2026, 2:37 PM EST
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Multimodal Fetal and Placental Imaging and Biomarkers of Clinical Outcomes in Opioid Use Disorder

NCT06415994
View directory record Official record
Conditions
Opioid Use Disorder, Substance-Related Disorders, Pregnancy Related, Narcotic-Related Disorders, Buprenorphine Dependence, Methadone Dependence
Interventions
Buprenorphine or Methadone Treatment, Fetal and Placental MRI, Child Developmental Assessment, Questionnaires, Blood and Placental Samples
Drug · Diagnostic Test · Behavioral + 1 more
Lead sponsor
Senthil Sadhasivam
Other
Eligibility
18 Years to 100 Years · Female only
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
2
States / cities
Indianapolis, Indiana • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Nov 1, 2026, 2:37 PM EST
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetics Study of ALO-02 and OxyContin

NCT01557257
View directory record Official record
Conditions
Management of Moderate to Severe Pain
Interventions
ALO-02, Naltrexone block, OxyContin
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 28, 2012 · Synced Nov 1, 2026, 2:37 PM EST
Completed Not applicable Interventional

Distress Tolerance and HIV Prevention With XR-NTX Initiation in Opioid Dependence

NCT02602795
View directory record Official record
Conditions
Opiate Dependence, Sexually Transmitted Diseases, HIV
Interventions
Acceptance and Commitment Therapy, Information Motivation Behavioral Model
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 29, 2018 · Synced Nov 1, 2026, 2:37 PM EST
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

IC PaIN Trial: Interstitial Cystitis Pain Improvement With Naltrexone

NCT04313972
View directory record Official record
Conditions
Interstitial Cystitis, Painful Bladder Syndrome, Bladder Pain Syndrome, Low Dose Naltrexone, Low-dose Naltrexone, Naltrexone
Interventions
low-dose naltrexone, Placebo oral tablet
Drug
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 110 Years · Female only
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Skokie, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 7, 2025 · Synced Nov 1, 2026, 2:37 PM EST
Completed Phase 3 Interventional Results available

Buprenorphine for Treatment Resistant Depression

NCT01407575
View directory record Official record
Conditions
Depression, Depressive Disorder, Depressive Disorder, Major
Interventions
Buprenorphine, Placebo
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
21 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 9, 2018 · Synced Nov 1, 2026, 2:37 PM EST
Completed Phase 2 Interventional Results available

Medication Development in Alcoholism: Acamprosate Versus Naltrexone

NCT00656630
View directory record Official record
Conditions
Alcoholism
Interventions
Acamprosate, Naltrexone, Placebo
Drug
Lead sponsor
The Scripps Research Institute
Other
Eligibility
18 Years to 55 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Mar 29, 2017 · Synced Nov 1, 2026, 2:37 PM EST
Recruiting Phase 3 Interventional

Idiopathic Pulmonary Fibrosis (IPF)-Related Chronic Cough Reduction With Nalbuphine (NAL) Extended-Release (ER) Tablets

NCT07868419
View directory record Official record
Conditions
Idiopathic Pulmonary Fibrosis
Interventions
NAL ER, Placebo
Drug
Lead sponsor
Trevi Therapeutics
Industry
Eligibility
40 Years and older
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
4
States / cities
Wilmington, Delaware • North Miami Beach, Florida • Charlotte, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2026 · Synced Nov 1, 2026, 2:37 PM EST
Completed Phase 4 Interventional Results available

IV Acetaminophen as an Analgesic Adjunct

NCT02621619
View directory record Official record
Conditions
Acute Pain
Interventions
IV acetaminophen + 0.5 mg IV hydromorphone, Normal saline + 0.5 mg IV hydromorphone
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
65 Years and older
Enrollment
159 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Nov 8, 2018 · Synced Nov 1, 2026, 2:37 PM EST
Terminated Phase 3 Interventional Results available

A Study to Evaluate the Effectiveness and Safety of CG5503 (Tapentadol) in the Treatment of Chronic Tumor Related Pain Compared With Placebo and Morphine

NCT00505414
View directory record Official record
Conditions
Pain, Neoplasm, Cancer
Interventions
Tapentadol in the Titration Phase, Morphine in the Maintenance Phase, Matching Placebo in the Maintenance Phase after Tapentadol in the Titration Phase, Tapentadol in the Maintenance Phase, Morphine in the Titration Phase
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
18 Years and older
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
7
States / cities
St. Petersburg, Florida • Elkhart, Indiana • Shreveport, Louisiana + 4 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2019 · Synced Nov 1, 2026, 2:37 PM EST
Completed Phase 2 Interventional

Naltrexone and Clonidine Combination (ATNC05) in the Treatment of Chronic Back Pain

NCT01415895
View directory record Official record
Conditions
Back Pain, Lower Back Pain, Cervical Pain
Interventions
Naltrexone and Clonidine Combination, placebo
Drug
Lead sponsor
Annette C. Toledano MD
Industry
Eligibility
19 Years to 70 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
North Miami, Florida
Source: ClinicalTrials.gov public record
Updated Apr 14, 2021 · Synced Nov 1, 2026, 2:37 PM EST
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Safety and Efficacy of Intravenous Hydromorphone in Elderly Emergency Department Patients With Acute Severe Pain

NCT01429285
View directory record Official record
Conditions
Pain
Interventions
Hydromorphone, Usual care
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
65 Years to 120 Years
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated May 18, 2018 · Synced Nov 1, 2026, 2:37 PM EST