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Showing 1–24 of 40 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Placebo hydromorphone Clear all
Terminated Phase 3 Interventional

Efficacy and Safety of Hydromorphone Hydrochloride Extended-Release Compared to Placebo in Subjects With Persistent Pain

NCT00365898
View directory record Official record
Conditions
Chronic Non-Malignant Pain
Interventions
Hydromorphone Hydrochloride Extended-Release
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years and older
Enrollment
380 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005
U.S. locations
14
States / cities
Phoenix, Arizona • Clearwater, Florida • Fort Myers, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2006 · Synced Sep 16, 2026, 10:29 AM EDT
Completed Phase 3 Interventional Results available

IV Acetaminophen as Adjuvant Analgesic to Hydromorphone - Emergency Department Patients

NCT03553498
View directory record Official record
Conditions
Acute Pain
Interventions
IV acetaminophen, IV placebo, hydromorphone
Drug
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
21 Years to 64 Years
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Mar 1, 2022 · Synced Sep 16, 2026, 10:29 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Behavioral Effects of Drugs (Inpatient): 43 (Opioids, Cocaine, n-Acetylcysteine)

NCT05610072
View directory record Official record
Conditions
Cocaine Use Disorder, Opioid Use Disorder, Stimulant Use Disorder
Interventions
n-acetylcysteine, Hydromorphone, Placebo n-acetylcystine, Placebo hydromorphone
Drug
Lead sponsor
William Stoops
Other
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
2
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 16, 2026, 10:29 AM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate the Abuse Potential of Oxymorphone Compared to Other Mu Opioid Agonists.

NCT03389750
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Intravenous Challenge Drug
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
2
States / cities
Lexington, Kentucky • New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 6, 2023 · Synced Sep 16, 2026, 10:29 AM EDT
Withdrawn Phase 4 Interventional

Duloxetine Tibial Plateau

NCT04639011
View directory record Official record
Conditions
Tibial Plateau Fracture, Pain, Postoperative
Interventions
Duloxetine, Placebo, Standard of care (SOC) for tibial plateau surgery
Drug · Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
2
States / cities
Boston, Massachusetts • Valhalla, New York
Source: ClinicalTrials.gov public record
Updated Nov 20, 2022 · Synced Sep 16, 2026, 10:29 AM EDT
Completed Phase 1 Interventional

Study of the Treatment of Experimental Pain in Buprenorphine Maintained Persons With Chronic Musculoskeletal Pain

NCT02372591
View directory record Official record
Conditions
Opioid-Related Disorders, Chronic Pain
Interventions
Buprenorphine, Hydromorphone, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 10, 2017 · Synced Sep 16, 2026, 10:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effects of Hydromorphone on Responses to Verbal Tasks

NCT02205983
View directory record Official record
Conditions
Healthy
Interventions
2 mg hydromorphone, 1000 mg Acetaminophen, 4 mg hydromorphone, dextrose
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 40 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 8, 2018 · Synced Sep 16, 2026, 10:29 AM EDT
Completed Not applicable Interventional

Conditioned Open-label Placebo (COLP) for Peri-operative Pain Management in Patients With Head and Neck Cancer

NCT04973748
View directory record Official record
Conditions
Postoperative Pain, Opioid Use
Interventions
Conditioned open-label placebo (COLP), Surveys about pain, opioid use and depression symptoms
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 22, 2024 · Synced Sep 16, 2026, 10:29 AM EDT
Completed Phase 4 Interventional Results available

Analgesia Regimens Following Trans-sphenoidal Surgery for Pituitary Tumors

NCT02351700
View directory record Official record
Conditions
Pituitary Tumor, Pain
Interventions
IV Caldolor, IV Placebo
Drug
Lead sponsor
St. Joseph's Hospital and Medical Center, Phoenix
Other
Eligibility
18 Years to 79 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 20, 2021 · Synced Sep 16, 2026, 10:29 AM EDT
Terminated Phase 1 Interventional

Drug-Drug Interaction and Safety of AZD4041 Study (Part 1) and Efficacy, Safety, Pharmacokinetics and Pharmacodynamics of AZD4041 Study in Opioid Use Disorder (Part 2).

NCT06406400
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
AZD4041, Itraconazole, Buprenorphine, Buprenorphine / Naloxone, Hydromorphone, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 25, 2025 · Synced Sep 16, 2026, 10:29 AM EDT
Completed Phase 4 Interventional Results available

Pectoralis and Serratus Muscle Blocks

NCT03743194
View directory record Official record
Conditions
Post Operative Pain Control
Interventions
Exparel 266 MG Per 20 ML Injection, Placebo
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 85 Years
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 22, 2025 · Synced Sep 16, 2026, 10:29 AM EDT
Terminated Phase 4 Interventional Results available

Fentanyl for Breakthrough Pain in the Emergency Department

NCT01812759
View directory record Official record
Conditions
Pain
Interventions
Fentanyl Nasal Spray, Hydromorphone PCA, Placebo Nasal Spray
Drug · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 75 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 28, 2021 · Synced Sep 16, 2026, 10:29 AM EDT
Completed Phase 2 Interventional Results available

A Multiple Dose Opioid Challenge Study

NCT02611752
View directory record Official record
Conditions
Moderate or Severe Opioid Use Disorder
Interventions
CAM2038
Drug
Lead sponsor
Braeburn Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
3
States / cities
Overland Park, Kansas • Lexington, Kentucky • New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 13, 2019 · Synced Sep 16, 2026, 10:29 AM EDT
Completed Phase 4 Interventional Results available

Intrathecal Opioids for Colorectal Resection

NCT04752033
View directory record Official record
Conditions
Colorectal Surgery, Pain, Postoperative, Analgesic, Opioid
Interventions
Morphine, Hydromorphone
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 25, 2024 · Synced Sep 16, 2026, 10:29 AM EDT
Completed Phase 2 Interventional Results available

Study in Subjects Undergoing Complete Abdominoplasty

NCT03789318
View directory record Official record
Conditions
Postsurgical Pain
Interventions
CA-008 5 mg, Placebo, Bupivacaine Hydrochloride, Hydromorphone, Fentanyl, Acetaminophen, Oxycodone, CA-008 10 mg, CA-008 15 mg
Drug
Lead sponsor
Concentric Analgesics
Industry
Eligibility
18 Years to 65 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Pasadena, California
Source: ClinicalTrials.gov public record
Updated Mar 18, 2024 · Synced Sep 16, 2026, 10:29 AM EDT
Completed Phase 2 Interventional Results available

Multiple Dose Study of Blockade of Opioid Effects by Injections of Buprenorphine in Participants With Opioid Disorder

NCT02044094
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Buprenorphine, buprenorphine and naloxone, hydromorphone, placebo
Drug
Lead sponsor
Indivior Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 23, 2018 · Synced Sep 16, 2026, 10:29 AM EDT
Not listed Not applicable Interventional

Analgesic Response to Opioid Analgesics in Buprenorphine-Maintained Individuals

NCT02136784
View directory record Official record
Conditions
Analgesic Response
Interventions
morphine sulfate, hydrocodone, hydromorphone HCI, oxycodone, buprenorphine, oral tablet placebo, sublingual tablet placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
20 Years to 50 Years · Male only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 12, 2014 · Synced Sep 16, 2026, 10:29 AM EDT
Completed Phase 4 Interventional Results available

Efficacy Study of Ketamine for Postoperative Pain in Opioid Dependent Patients

NCT01591382
View directory record Official record
Conditions
Postoperative Pain
Interventions
Ketamine, Placebo, Hydromorphone PCA
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 21, 2017 · Synced Sep 16, 2026, 10:29 AM EDT
Recruiting Phase 3 Interventional

Opioid-Sparing Joint Replacement

NCT07348627
View directory record Official record
Conditions
Pain Management, Opioid Consumption
Interventions
Placebo, Oxycodone 5 mg, Multimodal Non-Opioid Analgesia
Drug · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Sep 16, 2026, 10:29 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 16, 2026, 10:29 AM EDT
Recruiting Phase 2 Interventional

Assessing a Clinically-meaningful Opioid Withdrawal Phenotype

NCT05027919
View directory record Official record
Conditions
Opioid Withdrawal, Opioid Use Disorder, Opioid Craving
Interventions
Hydromorphone, Naloxone + lofexidine pretreatment, Naloxone + placebo pretreatment, Lofexidine
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Sep 16, 2026, 10:29 AM EDT
Terminated Phase 4 Interventional Results available

Steroids in Total Knee Arthroplasty

NCT02219581
View directory record Official record
Conditions
Postoperative Pain, Inflammation, Osteoarthritis
Interventions
Dexamethasone 10 mg, Dexamethasone 20 mg, Standard multimodal pain management regimen, Placebo
Drug
Lead sponsor
Thomas L Bradbury
Other
Eligibility
18 Years to 100 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Tucker, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 3, 2022 · Synced Sep 16, 2026, 10:29 AM EDT
Withdrawn Phase 2Phase 3 Interventional

Postoperative Oral Methadone After Major Spine Surgery; Safety, Feasibility and Efficacy in Prevention of Progression to Chronic Opioid Usage at 3 Months

NCT05693675
View directory record Official record
Conditions
Spine Surgery
Interventions
Postoperative methadone, Postoperative placebo, Rescue Analgesia
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 9, 2025 · Synced Sep 16, 2026, 10:29 AM EDT
Completed Phase 4 Interventional Results available

True Functional Restoration and Analgesia in Non-Radicular Low Back Pain

NCT01455519
View directory record Official record
Conditions
Low Back Pain
Interventions
Hydromorphone ER, Sugar pill
Drug
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 23, 2017 · Synced Sep 16, 2026, 10:29 AM EDT