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Showing 1–24 of 209 matching trials from the live ClinicalTrials.gov search.
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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 20, 2026, 5:30 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Clinical Study to Investigate the Effect of the Combination of Psychotropic Drugs and an Opioid on Ventilation

NCT04310579
View directory record Official record
Conditions
Hypercapnia, Ventilatory Depression
Interventions
Oxycodone and Midazolam, Oxycodone, Paroxetine, and Quetiapine
Drug
Lead sponsor
Food and Drug Administration (FDA)
Federal
Eligibility
18 Years to 50 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
West Bend, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 20, 2024 · Synced Sep 20, 2026, 5:30 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

2 Dose Neuraxial Morphine for Prevention of PDPH

NCT02473276
View directory record Official record
Conditions
Postdural Puncture Headache
Interventions
Morphine, Sterile normal saline
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Female only
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
4
States / cities
Newark, New Jersey • New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 4, 2025 · Synced Sep 20, 2026, 5:30 AM EDT
Completed Phase 1 Interventional Results available

Opioid and Cannabinoid Interactions

NCT03705559
View directory record Official record
Conditions
Marijuana Usage, Opioid Use
Interventions
Vaporized Marijuana, Opioid Agonist, Placebo
Drug
Lead sponsor
Shanna Babalonis, PhD
Other
Eligibility
18 Years to 50 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 9, 2025 · Synced Sep 20, 2026, 5:30 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Abuse Potential of Hydrocodone Extended-Release Tablet in Recreational Opioid Users

NCT01596673
View directory record Official record
Conditions
Drug Abuse
Interventions
45-mg hydrocodone bitartrate extended-release tablet (crushed or intact), Placebo
Drug
Lead sponsor
Cephalon
Industry
Eligibility
18 Years to 50 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Nov 20, 2012 · Synced Sep 20, 2026, 5:30 AM EDT
Completed Phase 4 Interventional Results available

Hormone Function in Men Treated for Pain With Opioids or Placebo

NCT00737737
View directory record Official record
Conditions
Chronic Pain, Osteoarthritis
Interventions
MS Contin, Placebo
Drug
Lead sponsor
National Institute of Nursing Research (NINR)
NIH
Eligibility
30 Years to 65 Years · Male only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 28, 2015 · Synced Sep 20, 2026, 5:30 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effects of Garlic Supplements on Opioids in Healthy Volunteers

NCT00499460
View directory record Official record
Conditions
Healthy, No Evidence of Disease
Interventions
garlic powder tablets, oxycodone
Dietary Supplement · Drug
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
21 Years to 45 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 6, 2017 · Synced Sep 20, 2026, 5:30 AM 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 13, 2026 · Synced Sep 20, 2026, 5:30 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Abuse Potential of HORIZANT With and Without Oxycodone in Healthy, Nondependent Recreational Opioid Users

NCT06247488
View directory record Official record
Conditions
Abuse Potential
Interventions
Placebo, Oxycodone 20 mg, GE-IR 200 mg, GE-IR 450 mg
Drug
Lead sponsor
Arbor Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 11, 2024 · Synced Sep 20, 2026, 5:30 AM 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 9, 2025 · Synced Sep 20, 2026, 5:30 AM EDT
Completed Phase 2 Interventional Results available

Hydrocodone/Acetaminophen for Acute Pain Following Bunionectomy

NCT01038609
View directory record Official record
Conditions
Pain
Interventions
Hydrocodone/Acetaminophen Extended Release, Acetaminophen, Morphine Extended Release, Placebo
Drug
Lead sponsor
AbbVie (prior sponsor, Abbott)
Industry
Eligibility
18 Years to 75 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
4
States / cities
Peoria, Arizona • Austin, Texas • San Marcos, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 7, 2014 · Synced Sep 20, 2026, 5:30 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 20, 2026, 5:30 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 20, 2026, 5:30 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 20, 2026, 5:30 AM 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 19, 2025 · Synced Sep 20, 2026, 5:30 AM 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 18, 2011 · Synced Sep 20, 2026, 5:30 AM EDT
Completed Early Phase 1 Interventional Results available

Neurobehavioral Mechanisms of Choice in Opioid Use Disorder

NCT03958474
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Oxycodone
Drug
Lead sponsor
Joshua A. Lile, Ph.D.
Other
Eligibility
18 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Sep 20, 2026, 5:30 AM 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 4, 2022 · Synced Sep 20, 2026, 5:30 AM EDT
Active, not recruiting Phase 3 Interventional

Study to Evaluate the Efficacy and Safety of Fenebrutinib Compared With Teriflunomide in Relapsing Multiple Sclerosis (RMS)

NCT04586023
View directory record Official record
Conditions
Relapsing Multiple Sclerosis
Interventions
Fenebrutinib, Teriflunomide, Placebo
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 55 Years
Enrollment
751 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
12
States / cities
Cullman, Alabama • Phoenix, Arizona • Torrance, California + 9 more
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Sep 20, 2026, 5:30 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Subcutaneous Bupivacaine Decrease Post-op Pain in Patients Undergoing C-Section

NCT03383588
View directory record Official record
Conditions
Pain, Referred
Interventions
Bupivacaine, Morphine, Fentanyl, Epinephrine, Saline solution
Drug · Other
Lead sponsor
Montefiore Medical Center
Other
Eligibility
17 Years to 40 Years · Female only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jan 12, 2020 · Synced Sep 20, 2026, 5:30 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Study to Assess Dopamine Receptor Modulation With Rotigotine to Enhance Morphine Analgesia in the Dental Model

NCT02123979
View directory record Official record
Conditions
Post-op Pain
Interventions
Neupro® transdermal patch/placebo
Drug
Lead sponsor
East Carolina University
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Greenville, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 6, 2015 · Synced Sep 20, 2026, 5:30 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 20, 2026, 5:30 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study Evaluating the Abuse Potential of NEURONTIN® in Healthy Non-drug Dependent, Recreational Opioid Users

NCT05319756
View directory record Official record
Conditions
Abuse Potential
Interventions
gabapentin 600 mg, gabapentin 1200 mg, gabapentin 600 mg and oxycodone HCl 20 mg, gabapentin 1200 mg and oxycodone HCl 20 mg, oxycodone HCl 20 mg, placebo
Drug
Lead sponsor
Viatris Specialty LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Marlton, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 13, 2023 · Synced Sep 20, 2026, 5:30 AM EDT
Completed Phase 2 Interventional

Effectiveness of Controlled-Release Morphine for Chronic Neuropathic Pain After Spinal Cord Injury

NCT00488969
View directory record Official record
Conditions
Neuropathic Pain, Spinal Cord Injury
Interventions
Modified-release morphine, Placebo
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 21, 2016 · Synced Sep 20, 2026, 5:30 AM EDT