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ClinicalTrials.gov public records Last synced Oct 18, 2026, 4:53 AM EDT

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Showing 1–24 of 301 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Codeine Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Fasting Study of Controlled-Release Oxycodone Hydrochloride 40 mg Tablets and OxyContin® 40 mg Tablets

NCT00853892
View directory record Official record
Conditions
Healthy
Interventions
Controlled-Release Oxycodone Hydrochloride 40 mg tablet, OxyContin® 40 mg tablet
Drug
Lead sponsor
Mallinckrodt
Industry
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Springfield, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 9, 2016 · Synced Oct 18, 2026, 4:53 AM EDT
Completed Phase 4 Interventional Results available

Pre vs Post Block in Total Knee Arthroplasty (TKA)

NCT05974501
View directory record Official record
Conditions
Knee Osteoarthritis, Arthroplasty Complications, Postoperative Pain
Interventions
Dexamethasone, Acetaminophen, Lyrica, Celebrex, Meloxicam, Oxycodone, Ropivacaine
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 12, 2025 · Synced Oct 18, 2026, 4:53 AM 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 18, 2026, 4:53 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study to Determine the Fed Bioequivalence of Reformulated OXY Tablets and Original OxyContin® (OXY) Tablets

NCT01099709
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Reformulated OXY (oxycodone HCl), Original OxyContin® (OXY) (oxycodone HCl)
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years to 50 Years
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated May 6, 2010 · Synced Oct 18, 2026, 4:53 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Intranasal Abuse Potential of PF614 in Non-Dependent Recreational Opioid Users (PF614-103)

NCT05567354
View directory record Official record
Conditions
Recreational Drug Use
Interventions
PF614, Oxycodone, Placebo
Drug · Other
Lead sponsor
Ensysce Biosciences
Industry
Eligibility
18 Years to 55 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 24, 2024 · Synced Oct 18, 2026, 4:53 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 12, 2024 · Synced Oct 18, 2026, 4:53 AM EDT
Recruiting Phase 2 Interventional

NSAID Use After Robotic Partial Nephrectomy

NCT05842044
View directory record Official record
Conditions
Kidney Cancer, Renal Cancer, Renal Neoplasm
Interventions
Ketorolac, Acetaminophen, Oxycodone, Hydromorphone, Ibuprofen
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 99 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 18, 2026, 4:53 AM EDT
Completed Phase 3 Interventional Results available

Long-term Safety of Once-daily Hydrocodone Bitartrate (HYD) Tablets For Moderate to Severe Chronic Nonmalignant and Nonneuropathic Pain. Includes a 24-week Extension Period.

NCT01400139
View directory record Official record
Conditions
Chronic Nonmalignant and Nonneuropathic Pain
Interventions
Hydrocodone bitartrate q24h film-coated tablets
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years and older
Enrollment
922 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
98
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 81 more
Source: ClinicalTrials.gov public record
Updated Mar 10, 2020 · Synced Oct 18, 2026, 4:53 AM EDT
Completed Phase 1Phase 2 Interventional Results available

CBD for Dental Pain

NCT04642404
View directory record Official record
Conditions
Odontalgia, Toothache
Interventions
Epidiolex 100 mg/mL Oral Solution, Placebo
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 75 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated May 9, 2024 · Synced Oct 18, 2026, 4:53 AM EDT
Recruiting Not applicable Interventional

Short Title: Standard vs. Lower Pressure Pneumoperitoneum

NCT06338865
View directory record Official record
Conditions
Laparoscopic Surgery
Interventions
Carbon dioxide, Bupivacaine, Oxycodone
Other · Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
294 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 10, 2024 · Synced Oct 18, 2026, 4:53 AM EDT
Completed Phase 3 Interventional

A Double-Blind, Randomized, Active- and Placebo-Controlled, Multiple-Dose Multi-Center Phase 3 Study of the Safety and Efficacy of CL-108 in the Treatment of Moderate to Severe Acute Pain and Opioid-Induced Nausea and Vomiting (OINV)

NCT02462811
View directory record Official record
Conditions
Pain, Nausea, Vomiting
Interventions
CL-108 (hydrocodone 7.5 mg, acetaminophen 325 mg, promethazine 12.5 mg), Placebo, Norco (hyrdocodone 7,5 mg, acetaminophen 325 mg)
Drug
Lead sponsor
Joseph Hazelton
Industry
Eligibility
18 Years and older
Enrollment
552 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 3, 2016 · Synced Oct 18, 2026, 4:53 AM EDT
Completed Phase 1 Interventional

A Study to Evaluate the Oral Abuse Potential of PF614 in Non-Dependent Recreational Opioid Users (PF614-104)

NCT05571345
View directory record Official record
Conditions
Recreational Drug Use
Interventions
PF614, Oxycodone Hydrochloride 40 mg, Placebo
Drug
Lead sponsor
Ensysce Biosciences
Industry
Eligibility
18 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 24, 2024 · Synced Oct 18, 2026, 4:53 AM EDT
Withdrawn Phase 3 Interventional

Pain Control Without Opioids

NCT04813991
View directory record Official record
Conditions
Perioperative Pain
Interventions
Ibuprofen 600 mg, OxyCODONE 5 Mg Oral Capsule
Drug
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
18 Years to 90 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 10, 2022 · Synced Oct 18, 2026, 4:53 AM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers Results available

Predictors of Postoperative Pain Following Oocyte Retrieval for Assisted Reproduction

NCT03105518
View directory record Official record
Conditions
Oocyte Retrieval, Postoperative Pain
Interventions
Fentanyl, Acetaminophen, Oxycodone
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Oct 18, 2026, 4:53 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 14, 2023 · Synced Oct 18, 2026, 4:53 AM EDT
Not listed Phase 3 Interventional

Assessment of Postop Hypospadias Pain

NCT04423107
View directory record Official record
Conditions
Hypospadias
Interventions
Acetaminophen, Ibuprofen, Acetaminophen, Ibuprofen, Oxycodone
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
6 Months to 23 Months · Male only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jul 31, 2020 · Synced Oct 18, 2026, 4:53 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Interference and Stability Evaluation of the Intelligent Fingerprinting Drug Screening System

NCT07758907
View directory record Official record
Conditions
Interference With Routine Analytical Tests, Stability of in Vitro Diagnostic Reagents, Illicit Drug Use
Interventions
Device storage condition, Interferent application
Device
Lead sponsor
Intelligent Bio Solutions Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Marlton, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 18, 2026, 4:53 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 29, 2015 · Synced Oct 18, 2026, 4:53 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 26, 2024 · Synced Oct 18, 2026, 4:53 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 14, 2026 · Synced Oct 18, 2026, 4:53 AM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Personalized Post-Operative Pain Management

NCT06669650
View directory record Official record
Conditions
Persistent Post Operative Opioid Use, Post-surgical Pain
Interventions
PGx guided personalized post-operative pain management, Oxycodone, Hydromorphone
Other · Drug
Lead sponsor
University of Tennessee Graduate School of Medicine
Other
Eligibility
18 Years to 85 Years
Enrollment
208 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 1, 2024 · Synced Oct 18, 2026, 4:53 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 7, 2023 · Synced Oct 18, 2026, 4:53 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Abuse Potential of Gabapentin Taken Orally Concomitantly With Oxycodone Hydrochloride in Healthy, Non-Drug-Dependent, Recreational Opioid Users

NCT07813026
View directory record Official record
Conditions
Healthy
Interventions
Placebo, Oxycodone 20mg, gabapentin 600 mg, Gabapentin 1200mg, Gabapentin 600 mg + Oxycodone 20 mg, Gabapentin 1200 mg + Oxycodone 20 mg
Drug
Lead sponsor
Viatris Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Oct 15, 2026 · Synced Oct 18, 2026, 4:53 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Treatment of Children With Obstructive Sleep Apnea and Laryngomalacia: the Role of Laser Supraglottoplasty

NCT00394550
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Respiration Disorders
Interventions
supraglottoplasty with laser
Procedure
Lead sponsor
Indiana University
Other
Eligibility
1 Year to 18 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2019
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 25, 2022 · Synced Oct 18, 2026, 4:53 AM EDT