Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 6, 2026, 7:41 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 97–120 of 210 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Morphine or Placebo Clear all
Completed Phase 3 Interventional Results available

Ibuprofen/Acetaminophen Versus Nurofen Plus® and Panadeine® Extra Dental Pain Study

NCT01229449
View directory record Official record
Conditions
Post-operative Pain
Interventions
Ibuprofen/acetaminophen, Ibuprofen/acetaminophen (higher dose), Nurofen Plus®, Panadeine® Extra, Placebo
Drug
Lead sponsor
Reckitt Benckiser LLC
Industry
Eligibility
16 Years and older
Enrollment
678 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 17, 2018 · Synced Oct 6, 2026, 7:41 PM 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 24, 2018 · Synced Oct 6, 2026, 7:41 PM EDT
Completed Early Phase 1 Interventional

Trial Comparing a Multi-Modal Pain Protocol With and Without Opioids Following Total Joint Arthroplasty

NCT03845881
View directory record Official record
Conditions
Total Knee Arthroplasty
Interventions
Oxycodone, Placebo Oral Tablet
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 89 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 30, 2020 · Synced Oct 6, 2026, 7:41 PM EDT
Not listed Phase 3 Interventional

Femoral Nerve Block Compared to Exparel in Total Knee Replacement

NCT02473198
View directory record Official record
Conditions
Osteoarthritis, Pain
Interventions
Exparel, Femoral Nerve Block Bupivacaine, Toradol, Morphine Sulfate
Drug
Lead sponsor
The New England Baptist Hospital
Other
Eligibility
18 Years to 73 Years
Enrollment
312 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 17, 2016 · Synced Oct 6, 2026, 7:41 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Comparison of the Effects of Tapentadol and Oxycodone on Gastrointestinal and Colonic Transit in Humans

NCT01500317
View directory record Official record
Conditions
Effects of 2 Mu-opiates on Gastrointestinal Transit
Interventions
Tapentadol, Oxycodone, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 17, 2012 · Synced Oct 6, 2026, 7:41 PM 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 11, 2017 · Synced Oct 6, 2026, 7:41 PM EDT
Terminated Not applicable Interventional Results available

Ketamine and Morphine Versus Morphine Alone for the Treatment of Acute Pain in the Emergency Department

NCT01900847
View directory record Official record
Conditions
Acute Pain
Interventions
Ketamine, Morphine, placebo
Drug
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 100 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 17, 2023 · Synced Oct 6, 2026, 7:41 PM EDT
Completed Phase 3 Interventional

A Study of Extended-Release Hydrocodone/Acetaminophen (Vicodin CR®) in Subjects With Acute Pain Following Bunionectomy

NCT00402792
View directory record Official record
Conditions
Pain
Interventions
Hydrocodone/Acetaminophen Extended Release, Placebo
Drug
Lead sponsor
Abbott
Industry
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
5
States / cities
Austin, Texas • Houston, Texas • San Antonio, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 25, 2011 · Synced Oct 6, 2026, 7:41 PM EDT
Completed Phase 2 Interventional

Bunionectomy Trial With GRT6005

NCT00872885
View directory record Official record
Conditions
Post Operative Pain
Interventions
GRT6005, Morphine, Placebo
Drug
Lead sponsor
Tris Pharma, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
258 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jul 15, 2021 · Synced Oct 6, 2026, 7:41 PM EDT
Terminated Phase 4 Interventional Results available

Measuring Gait And Self-Reported Pain In Patients With Osteoarthritis Of The Knee Using Placebo/Oxycodone/Celecoxib.

NCT00484718
View directory record Official record
Conditions
Osteoarthritis
Interventions
celecoxib, Oxycodone, placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
40 Years to 70 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
2
States / cities
Palo Alto, California • Stanford, California
Source: ClinicalTrials.gov public record
Updated Apr 14, 2021 · Synced Oct 6, 2026, 7:41 PM EDT
Terminated Phase 2 Interventional Results available

Relieving Acute Pain (RAP) Study: A Pilot Study

NCT03426137
View directory record Official record
Conditions
Trauma, Opioid Use, Spine Fusion
Interventions
Oxycodone, Ketorolac, Placebo
Drug · Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 65 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 27, 2021 · Synced Oct 6, 2026, 7:41 PM EDT
Completed Phase 2 Interventional Results available

Naproxen Sodium/Acetaminophen Proof of Concept Dosing Study

NCT03879408
View directory record Official record
Conditions
Pain
Interventions
440 mg naproxen sodium with 1000 mg acetaminophen, 220 mg naproxen sodium with 650 mg acetaminophen, 10 mg hydrocodone + 650 mg acetaminophen, 440 mg naproxen sodium, Placebo tablet
Drug
Lead sponsor
Johnson & Johnson Consumer Inc., McNeil Consumer Healthcare Division
Industry
Eligibility
17 Years to 50 Years
Enrollment
290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 5, 2022 · Synced Oct 6, 2026, 7:41 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Influence of Medication on Functional Connectivity

NCT03612713
View directory record Official record
Conditions
Prescription Drug Abuse (Not Dependent)
Interventions
Oxycodone Medication First, Placebo First
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 30 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 8, 2024 · Synced Oct 6, 2026, 7:41 PM EDT
Completed Phase 4 Interventional Results available

Efficacy of Ketamine for Improvement in Postoperative Pain Control After Spinal Fusion for Idiopathic Scoliosis

NCT02651324
View directory record Official record
Conditions
Idiopathic Scoliosis, Post-operative Pain
Interventions
Ketamine, Placebo
Drug · Other
Lead sponsor
Albany Medical College
Other
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Albany, New York
Source: ClinicalTrials.gov public record
Updated Feb 20, 2025 · Synced Oct 6, 2026, 7:41 PM 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 16, 2019 · Synced Oct 6, 2026, 7:41 PM EDT
Recruiting Phase 3 Interventional

Post-Op Pain Control for Prophylactic Intramedullary Nailing.

NCT03823534
View directory record Official record
Conditions
Bone Metastases, Lymphoma, Multiple Myeloma, Opioid Use, Pain
Interventions
Ketorolac, Normal saline, Acetaminophen, Oxycodone Acetaminophen, Morphine, Hydrocodone/Acetaminophen, Oxycodone
Drug
Lead sponsor
St. Louis University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Oct 6, 2026, 7:41 PM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

ACTION: Trial of Adding Buprenorphine, CBT, and TMS to Improve Outcomes of Long-Term Opioid Therapy for Chronic Pain

NCT06442566
View directory record Official record
Conditions
Opioid Withdrawal, Chronic Pain
Interventions
Buprenorphine Patch, Placebo, Transcranial Magnetic Stimulation (TMS), Sham Transcranial Magnetic Stimulation (TMS)
Drug · Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Nov 5, 2025 · Synced Oct 6, 2026, 7:41 PM 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 26, 2024 · Synced Oct 6, 2026, 7:41 PM EDT
Recruiting Phase 1Phase 2 Interventional

Opioid Drug Interaction Study

NCT06757140
View directory record Official record
Conditions
Drug Interactions, Drug Kinetics
Interventions
Alprazolam, Oxycodone, Placebo
Drug
Lead sponsor
Shanna Babalonis, PhD
Other
Eligibility
18 Years to 55 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 6, 2026, 7:41 PM EDT
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 Oct 6, 2026, 7:41 PM EDT
Completed Phase 2 Interventional

A Study Comparing the Analgesic Activity of Extended Release Hydrocodone/Acetaminophen (Vicodin® CR) and Placebo in Subjects With Pain Following Bunionectomy Surgery

NCT00404391
View directory record Official record
Conditions
Pain
Interventions
Hydrocodone/Acetaminophen Extended Release, Placebo
Drug
Lead sponsor
Abbott
Industry
Eligibility
18 Years to 65 Years
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
4
States / cities
Owing Mills, Maryland • Austin, Texas • San Marcos, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 19, 2011 · Synced Oct 6, 2026, 7:41 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Lidocaine Intravenous in the Emergency Department For Sickle Cell Crisis

NCT04614610
View directory record Official record
Conditions
Sickle Cell Disease, Sickle Cell Crisis, Pain, Acute
Interventions
Lidocaine Iv, Placebo
Drug
Lead sponsor
Community Medical Center, Toms River, NJ
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
3
States / cities
Long Branch, New Jersey • New Brunswick, New Jersey • Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 29, 2023 · Synced Oct 6, 2026, 7:41 PM 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 7, 2023 · Synced Oct 6, 2026, 7:41 PM EDT
Completed Not applicable Interventional Results available

5HT3 Antagonists to Treat Opioid Withdrawal and to Prevent the Progression of Physical Dependence

NCT01549652
View directory record Official record
Conditions
Opioid Withdrawal, Physical Dependence
Interventions
Ondansetron, Placebo, Morphine, Naloxone 0.4 mg/70 kg, Naloxone 0.8 mg/70 kg
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 60 Years
Enrollment
133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jan 7, 2019 · Synced Oct 6, 2026, 7:41 PM EDT