Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 2, 2026, 7:10 AM EDT

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Showing 1–24 of 41 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Pharmacokinetics
Interventions
PF614 solution, Naltrexone Hydrochloride, Nafamostat Mesylate
Drug
Lead sponsor
Ensysce Biosciences
Industry
Eligibility
18 Years to 55 Years
Enrollment
111 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Miami, Florida
Conditions
Pain Management
Interventions
Morphine Sulfate, Oxycodone, Acetaminophen
Drug
Lead sponsor
Antonios Likourezos
Other
Eligibility
18 Years to 64 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Brooklyn, New York
Terminated Phase 4 Interventional Results available

Open-Label Trial Comparing Oxycodone Medications

NCT01162304
Conditions
Chronic Pain
Interventions
Extended Release Oxycodone, Immediate Release Oxycodone
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 80 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Rochester, New York
Conditions
Healthy
Interventions
Oxycodone hydrochloride tablet 30 mg, Roxicodone™ tablet 30 mg
Drug
Lead sponsor
Mallinckrodt
Industry
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003
U.S. locations
1
States / cities
Saint Charles, Missouri
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
Conditions
Back Pain
Interventions
oxycodone IR, placebo, tapentadol IR
Drug
Lead sponsor
Ortho-McNeil Janssen Scientific Affairs, LLC
Industry
Eligibility
50 Years to 85 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
37
States / cities
Haleyville, Alabama • Tallassee, Alabama • Peoria, Arizona + 34 more
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
Conditions
Back Pain Lower Back Chronic
Interventions
Buprenorphine transdermal patch
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years and older
Enrollment
354 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
84
States / cities
Birmingham, Alabama • Haleyville, Alabama • Phoenix, Arizona + 71 more
Completed Phase 1 Interventional Accepts healthy volunteers

Abuse Potential Study of PF-00345439

NCT01986283
Conditions
Opioid Users
Interventions
Capsule, PF-00345439, oxycodone
Drug
Lead sponsor
Pain Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Opioid Tapering
Interventions
Treatment as Usual (TAU), Telephonic Support (TS) Providers, DOTS Intervention
Other
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
The Bronx, New York
Conditions
Herbal Interaction
Interventions
Kratom, Oxycodone
Dietary Supplement · Drug
Lead sponsor
Washington State University
Other
Eligibility
21 Years to 45 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Spokane, Washington
Conditions
Baseline Epidemiologic Assessment
Interventions
MorphaBond ER, Comparator Drug
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
Not listed
Enrollment
17,566 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Basking Ridge, New Jersey
Conditions
Pituitary Tumor, Pain
Interventions
IV Caldolor, IV Placebo
Drug
Lead sponsor
St. Joseph's Hospital and Medical Center, Phoenix
Other
Eligibility
18 Years to 79 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Phoenix, Arizona
Conditions
Osteoarthritis
Interventions
Buprenorphine, oxycodone immediate-release
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
40 Years and older
Enrollment
418 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
23
States / cities
Birmingham, Alabama • Chula Vista, California • Roseville, California + 18 more
Conditions
Healthy
Interventions
Oxycodone controlled-release test formulation, Immediate-release reference drug
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Healthy
Interventions
Roxicodone™ tablet 30 mg, Oxycodone hydrochloride tablet 30 mg
Drug
Lead sponsor
Mallinckrodt
Industry
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003
U.S. locations
1
States / cities
Saint Charles, Missouri
Conditions
Opioid Use, Pain, Post Operative
Interventions
nCAP Signal Relief Patch, Standard of Care
Device · Other
Lead sponsor
Jacques E. Chelly
Other
Eligibility
18 Years and older
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Influence of Medication on Functional Connectivity

NCT03612713
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
Conditions
Chronic Pain
Interventions
Fentanyl Buccal Tablets Compared With Immediate-Release Oxycodone
Drug
Lead sponsor
Cephalon
Industry
Eligibility
18 Years to 80 Years
Enrollment
323 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
45
States / cities
Birmingham, Alabama • Phoenix, Arizona • Beverly Hills, California + 35 more
Completed Phase 1 Interventional Accepts healthy volunteers

Nasal Human Abuse Potential of PTI-821

NCT03475862
Conditions
Opioid Abuse Nondependent
Interventions
PTI-821 capsule Manipulated, PTI-821 Non-manipulated, OxyContin, Placebo, Oxycodone
Drug · Other
Lead sponsor
Pain Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Salt Lake City, Utah
Recruiting Phase 4 Interventional Accepts healthy volunteers

Low-dose Buccal Buprenorphine: Relative Abuse Potential and Analgesia

NCT05988710
Conditions
Analgesia, Abuse Opioids, Pain
Interventions
Buccal Buprenorphine 300 mcg, Buccal Buprenorphine 600 mcg, Buccal Buprenorphine 900 mcg, Buccal Placebo, Oral Placebo, Oral immediate-release oxycodone 10mg, Buccal Buprenorphine 450mcg
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Pain, Back Pain, Low Back Pain, Back Pain With Radiation
Interventions
NUCYNTA, Oxycodone IR
Drug
Lead sponsor
Ortho-McNeil Janssen Scientific Affairs, LLC
Industry
Eligibility
18 Years and older
Enrollment
667 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
74
States / cities
Mobile, Alabama • Phoenix, Arizona • Jonesboro, Arkansas + 71 more
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Prescription Opioid Effects in Abusers Versus Non-Abusers

NCT00158184
Conditions
Opioid-Related Disorders, Substance-Related Disorders
Interventions
oxycodone 15 mg, oxycodone 30 mg, Placebo 0 mg
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 45 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
New York, New York
Conditions
Pain
Interventions
Buprenorphine, Placebo film, Oxycodone, Morphine sulfate, Placebo capsule
Drug
Lead sponsor
BioDelivery Sciences International
Industry
Eligibility
18 Years to 60 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
3
States / cities
Overland Park, Kansas • Philadelphia, Pennsylvania • Salt Lake City, Utah