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ClinicalTrials.gov public records Last synced Oct 18, 2026, 12:02 PM EDT

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Showing 193–216 of 301 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Codeine Clear all
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

The Potential of Oxytocin to Reduce Opioid Abuse Liability and Pain Among Older Adults

NCT05761860
View directory record Official record
Conditions
Pain
Interventions
OxyCODONE 5 mg Oral Tablet, OxyCODONE 2.5 mg Oral Tablet, Placebo oxyCODONE Oral Tablet, Oxytocin Nasal Spray (48 IU), Placebo Oxytocin Nasal Spray
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
45 Years to 85 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 18, 2026, 12:02 PM EDT
Not yet recruiting Phase 4 Interventional

Suzetrigine in Tonsillectomy for Opioid-sparing Pain Management

NCT07821931
View directory record Official record
Conditions
Tonsillectomy, Pharyngoplasty, Suzetrigine, Opioid, Postoperative Pain, Acute Pain
Interventions
Suzetrigine, Acetaminophen, oxycodone
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 18, 2026, 12:02 PM EDT
Completed Not applicable Interventional

Comparison of Acetaminophen With Codeine and Ibuprofen for Children With Injuries

NCT00474721
View directory record Official record
Conditions
Pain
Interventions
ibuprofen, acetaminophen with codeine
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
5 Years to 18 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 17, 2007 · Synced Oct 18, 2026, 12:02 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Local Anesthesia and Analgesics in Endodontic Pain

NCT01982799
View directory record Official record
Conditions
Odontalgia
Interventions
Oral placebo, Oral ibuprofen, oral naproxen, oral acetaminophen/hydrocodone + ibuprofen
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 3, 2016 · Synced Oct 18, 2026, 12:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

To Determine the Fasting Bioequivalence of Reformulated OXY Tablets and Original OxyContin® (OXY) Tablets

NCT01101165
View directory record Official record
Conditions
Healthy
Interventions
Reformulated OXY (oxycodone HCl), Original OxyContin® (OXY) (oxycodone HCl)
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years to 50 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Evansville, Indiana
Source: ClinicalTrials.gov public record
Updated May 11, 2010 · Synced Oct 18, 2026, 12:02 PM EDT
Recruiting Phase 2 Interventional

Assessment of Medrol Dosepak to Reduce Opioid Consumption in Foot and Ankle Surgical Patients

NCT06780202
View directory record Official record
Conditions
Foot Injuries and Disorders, Ankle Injuries and Disorders, Achilles Tendon Injury
Interventions
medrol dosepak, HYDROcodone Oral Tablet
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 95 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Atlanta, Georgia • Johns Creek, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Oct 18, 2026, 12:02 PM EDT
Recruiting Phase 4 Interventional

Comparing Analgesic Regimen Effectiveness and Safety for Surgery for Kids Trial

NCT06671002
View directory record Official record
Conditions
Surgery, Pain, Post Operative
Interventions
NSAID, Opioid, Acetaminophen, Ibuprofen
Drug
Lead sponsor
University of Michigan
Other
Eligibility
12 Years to 20 Years
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
4
States / cities
Los Angeles, California • Palo Alto, California • Ann Arbor, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Oct 18, 2026, 12:02 PM EDT
Terminated Early Phase 1 Interventional

Levorphanol as a Second Line Opioid in Reducing Pain in Patients With Cancer

NCT03579446
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm, Metastatic Malignant Solid Neoplasm
Interventions
Hydrocodone, Hydromorphone, Levorphanol, Morphine, Oxycodone, Oxymorphone, Questionnaire Administration
Drug · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 3, 2025 · Synced Oct 18, 2026, 12:02 PM EDT
Completed Phase 4 Interventional

Stress and Opioid Misuse Risk: The Role of Endogenous Opioid and Endocannabinoid Mechanisms

NCT05142267
View directory record Official record
Conditions
Opioid Use Disorder, Back Pain, Stress
Interventions
Placebo, Oxycodone, Naloxone
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 4, 2026 · Synced Oct 18, 2026, 12:02 PM EDT
Completed Phase 4 Interventional

Multimodal Analgesia Effect on Post Surgical Patient

NCT04240626
View directory record Official record
Conditions
Obesity, Morbid, Surgery, Bariatric Surgery Candidate
Interventions
Neurontin, Dilaudid Injectable Product, Marcaine Injectable Product, Oxycodone Hydrochloride, Hycet 7.5Mg-325Mg/15Ml Solution, Zofran Injection, Scopolamine patch, Ativan, Flexeril Oral Product, Tylenol Suspension
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
35 Years to 65 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 18, 2026, 12:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of the Abuse Liability Potential of Samidorphan in Healthy, Non-Dependent, Recreational Opioid Users

NCT02218021
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Samidorphan, Placebo, Oxycodone
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Dec 2, 2014 · Synced Oct 18, 2026, 12:02 PM EDT
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 Oct 18, 2026, 12:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study To Characterize The Pharmacokinetics Of Oxycodone In Healthy Volunteers

NCT01552863
View directory record Official record
Conditions
Pain
Interventions
Oxycodone
Drug
Lead sponsor
Pain Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 31, 2015 · Synced Oct 18, 2026, 12:02 PM EDT
Completed Phase 3 Interventional

Long Term Safety and Tolerability Study in Approximately 350 Subjects With Moderate to Severe Chronic, Non-malignant Pain

NCT00195728
View directory record Official record
Conditions
Moderate to Severe Chronic, Non-malignant Pain
Interventions
Hydrocodone/Acetaminophen on Extended Release
Drug
Lead sponsor
Abbott
Industry
Eligibility
21 Years to 75 Years
Enrollment
431 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
76
States / cities
Huntsville, Alabama • Chandler, Arizona • Mesa, Arizona + 60 more
Source: ClinicalTrials.gov public record
Updated Jan 19, 2011 · Synced Oct 18, 2026, 12:02 PM 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 2, 2026 · Synced Oct 18, 2026, 12:02 PM 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 7, 2017 · Synced Oct 18, 2026, 12:02 PM EDT
Completed Phase 4 Interventional Results available

Oral Sedation During Cervical Dilator Placement

NCT03202550
View directory record Official record
Conditions
Oral Sedation and Cervical Dilator Pain
Interventions
Oxycodone and Lorazepam (Active Comparator), Placebo Comparator
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 30, 2020 · Synced Oct 18, 2026, 12:02 PM EDT
Completed Phase 3 Interventional Results available

A Research Study of an Investigational Drug ALO-02 (Oxycodone Hydrochloride and Naltrexone Hydrochloride) in Patients With Moderate to Severe Chronic Low Back Pain

NCT01571362
View directory record Official record
Conditions
Chronic Pain, Low Back Pain, Analgesia
Interventions
ALO-02, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
410 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
52
States / cities
Mobile, Alabama • Goodyear, Arizona • Phoenix, Arizona + 38 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2017 · Synced Oct 18, 2026, 12:02 PM 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 10, 2025 · Synced Oct 18, 2026, 12:02 PM EDT
Completed Phase 3 Interventional Results available

A Controlled Study to Determine the Efficacy and Safety of CL-108 5 mg for Acute Pain and the Prevention of OINV

NCT03657810
View directory record Official record
Conditions
Pain, Nausea, Vomiting
Interventions
CL-108 5 mg, Norco, Placebo
Drug
Lead sponsor
Charleston Laboratories, Inc
Industry
Eligibility
18 Years and older
Enrollment
349 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
5
States / cities
Phoenix, Arizona • Pasadena, Maryland • Austin, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 22, 2023 · Synced Oct 18, 2026, 12:02 PM EDT
Completed Phase 2 Interventional

5x-Multiplier vs 3-Tier Model for Discharge Opioid Prescriptions After Intra-abdominal Cancer Surgery: A Randomized Clinical Trial

NCT06232577
View directory record Official record
Conditions
Intra-abdominal Cancer
Interventions
Hydrocodone, Tramadol, Oxycodone
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 18, 2026, 12:02 PM EDT
Recruiting Phase 4 Interventional

Supracondylar Post-Operative Pain Study

NCT03759028
View directory record Official record
Conditions
Supracondylar Humerus Fracture
Interventions
Ibuprofen, Oxycodone, Acetaminophen
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
4 Years to 12 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Oct 18, 2026, 12:02 PM EDT
Terminated Phase 2 Interventional

Percocet vs. Bupivicaine for Toothaches in the ED

NCT02862691
View directory record Official record
Conditions
Toothache
Interventions
Acetaminophen/Oxycodone (Oral analgesic), Bupivicaine (Injectable local anesthetic)
Drug
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Apr 25, 2018 · Synced Oct 18, 2026, 12:02 PM 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 17, 2026 · Synced Oct 18, 2026, 12:02 PM EDT