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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 1 Interventional Accepts healthy volunteers Results available

Single Dose Crossover Study to Compare the Respiratory Drive After Administration of Belbuca, Oxycodone and Placebo.

NCT03996694
View directory record Official record
Conditions
Respiratory Depression
Interventions
Belbuca 300 µg, Belbuca 600 µg, Belbuca 900 µg, Oxycodone 30 mg, Oxycodone 60 mg, Placebo
Drug
Lead sponsor
BioDelivery Sciences International
Industry
Eligibility
18 Years to 55 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 4, 2021 · Synced Sep 8, 2026, 10:31 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 8, 2026, 10:31 AM EDT
Completed Phase 3 Interventional

A Study of Pain Relief in Low Back Pain

NCT00325949
View directory record Official record
Conditions
Chronic Low Back Pain
Interventions
Extended release hydrocodone and acetaminophen (Vicodin CR), hydrocodone/acetaminophen extended release (Vicodin CR), placebo
Drug
Lead sponsor
Abbott
Industry
Eligibility
21 Years to 75 Years
Enrollment
770 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
63
States / cities
Hueytown, Alabama • Phoenix, Arizona • Tempe, Arizona + 52 more
Source: ClinicalTrials.gov public record
Updated Jul 24, 2011 · Synced Sep 8, 2026, 10:31 AM EDT
Recruiting Phase 3 Interventional

Opioid-Free Orthopaedics

NCT04659317
View directory record Official record
Conditions
Pain, Pain, Postoperative
Interventions
Oxycodone 5 mg Oral Tablet, Placebo oral tablet
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
3
States / cities
Atlanta, Georgia • Tucker, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Sep 8, 2026, 10:31 AM 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 7, 2024 · Synced Sep 8, 2026, 10:31 AM EDT
Suspended Not applicable Interventional

The Addition of Oral Analgesics to LET During Laceration Repair

NCT01268670
View directory record Official record
Conditions
Laceration, Pain
Interventions
Ibuprofen, Oxycodone, Placebo
Drug · Other
Lead sponsor
Children's Hospitals and Clinics of Minnesota
Other
Eligibility
4 Years to 10 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
1
States / cities
Minneapolis and Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 30, 2013 · Synced Sep 8, 2026, 10:31 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 8, 2026, 10:31 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 8, 2026, 10:31 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Opioid-Sparing and Pain-Reducing Properties of Syntocinon: A Dose-Effect Determination

NCT04218409
View directory record Official record
Conditions
Pain
Interventions
OxyCODONE 5 mg Oral Tablet, Oxytocin nasal spray, Placebo Oxycodone, Placebo oxytocin, OxyCODONE 2.5 mg Oral Tablet
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 45 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Sep 8, 2026, 10:31 AM EDT
Completed Phase 2 Interventional Results available

Acute Pain Study Following Bunionectomy

NCT01333722
View directory record Official record
Conditions
Pain
Interventions
Hydrocodone/Acetaminophen Extended Release, Placebo
Drug
Lead sponsor
AbbVie (prior sponsor, Abbott)
Industry
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
3
States / cities
Pasadena, California • Austin, Texas • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 7, 2014 · Synced Sep 8, 2026, 10:31 AM EDT
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 Apr 30, 2026 · Synced Sep 8, 2026, 10:31 AM EDT
Terminated Phase 2 Interventional Results available

Evaluation of Doxazosin to Alter the Abuse of Oxycodone

NCT03415581
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Intranasal Oxycodone, Cue Session
Drug · Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 59 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Manhattan, New York
Source: ClinicalTrials.gov public record
Updated Apr 11, 2021 · Synced Sep 8, 2026, 10:31 AM 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 3, 2017 · Synced Sep 8, 2026, 10:31 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 8, 2026, 10:31 AM EDT
Terminated Phase 2 Interventional

A 2 Week Blinded Study For Pain Due To Arthritis Of The Knee

NCT00483977
View directory record Official record
Conditions
Osteoarthritis
Interventions
Oxycodone, Placebo, PF-000592379
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 75 Years
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
21
States / cities
Mobile, Alabama • Tucson, Arizona • Carmichael, California + 17 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2011 · Synced Sep 8, 2026, 10:31 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety, Tolerability and Pharmacokinetics of NYX-783 and Oxycodone DDI Study

NCT05447286
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
NYX-783, Placebo, Oxycodone
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 58 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
2
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 24, 2025 · Synced Sep 8, 2026, 10:31 AM EDT
Completed Phase 2 Interventional Results available

Phase 2 Chronic Low Back Pain Study

NCT01364922
View directory record Official record
Conditions
Chronic Low Back Pain
Interventions
hydrocodone/acetaminophen extended release, Placebo
Drug
Lead sponsor
AbbVie (prior sponsor, Abbott)
Industry
Eligibility
18 Years to 75 Years
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
17
States / cities
Tucson, Arizona • Anaheim, California • Burbank, California + 14 more
Source: ClinicalTrials.gov public record
Updated Jan 28, 2014 · Synced Sep 8, 2026, 10:31 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 23, 2024 · Synced Sep 8, 2026, 10:31 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Effect of Selective Serotonin Reuptake Inhibitors (SSRIs) and an Opioid on Ventilation

NCT05470465
View directory record Official record
Conditions
Hypercapnia, Ventilatory Depression
Interventions
Placebo and Oxycodone, Paroxetine and Oxycodone, Escitalopram and Oxycodone
Drug
Lead sponsor
Food and Drug Administration (FDA)
Federal
Eligibility
18 Years to 50 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
West Bend, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 21, 2025 · Synced Sep 8, 2026, 10:31 AM EDT
Terminated Phase 4 Interventional Results available

Trial of Analgesia With Lidocaine or Extended-release Oxycodone for Neuropathic Pain Treatment in Multiple Sclerosis

NCT00414453
View directory record Official record
Conditions
Neuropathic Pain, Chronic Pain, Multiple Sclerosis
Interventions
Lidocaine patch 5%, Extended-release oxycodone, Placebo extended-release oxycodone pills, Placebo lidocaine patches
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jul 16, 2015 · Synced Sep 8, 2026, 10:31 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 8, 2024 · Synced Sep 8, 2026, 10:31 AM EDT
Completed Phase 4 Interventional Results available

Gabapentin for Pain Control After Osmotic Dilator Insertion and Prior to D&E Procedure: a Randomized Controlled Trial

NCT03080493
View directory record Official record
Conditions
Abortion, Induced, Cervical Preparation, Pain
Interventions
Gabapentin 600mg, Placebo oral capsule, acetaminophen/codeine and ibuprofen
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older · Female only
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Apr 13, 2020 · Synced Sep 8, 2026, 10:31 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 8, 2026, 10:31 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Oxycodone/Naloxone Controlled-release Tablets (OXN) Compared to Placebo in Opioid-experienced Subjects With Moderate to Severe Chronic Low Back Pain

NCT01358526
View directory record Official record
Conditions
Low Back Pain
Interventions
Oxycodone/Naloxone Controlled-release, Placebo
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years and older
Enrollment
1,095 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
151
States / cities
Birmingham, Alabama • Haleyville, Alabama • Huntsville, Alabama + 123 more
Source: ClinicalTrials.gov public record
Updated Nov 10, 2015 · Synced Sep 8, 2026, 10:31 AM EDT