Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Nov 1, 2026, 6:20 PM EST

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 625–648 of 1,428 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: opiates Clear all
Completed Phase 4 Interventional Results available

Evaluating the Efficacy and Safety of Extended Release Hydromorphone (Exalgo) in Patients With Neuropathic Pain

NCT01207596
View directory record Official record
Conditions
Neuropathic Pain
Interventions
Hydromorphone
Drug
Lead sponsor
International Clinical Research Institute
Other
Eligibility
18 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Leawood, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 20, 2012 · Synced Nov 1, 2026, 6:20 PM EST
Completed Not applicable Interventional Results available

Effect of Naltrexone on Counterregulatory Mechanisms in Hypoglycemia

NCT01462227
View directory record Official record
Conditions
Hypoglycemia
Interventions
Naltrexone High Dose, Naltrexone Low Dose
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 18, 2016 · Synced Nov 1, 2026, 6:20 PM EST
Completed Early Phase 1 Interventional

Improving Pain and Reducing Opioid Use (IPaRO) in Lumbar Spine Surgery Patients

NCT03088306
View directory record Official record
Conditions
Lumbar Spinal Stenosis, Lumbar Spinal Instability, Lumbar Spine Degeneration
Interventions
Standard analgesia use [Oxygen], Standard analgesia use [Hydromorphone], Standard analgesia use [Volatile Anesthesia], Standard analgesia use [Fentanyl], Multi-modal pain management [Acetaminophen + Gabapentin], Multi-modal pain management [Fentanyl], Multi-modal pain management [Intravenous Ketamine], Multi-modal pain management [Valium + Gabapentin]
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2018 · Synced Nov 1, 2026, 6:20 PM EST
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Low-dose Versus a High-dose Sublingual Buprenorphine Induction

NCT05944952
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
buprenorphine/naloxone
Drug
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Dundalk, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 12, 2025 · Synced Nov 1, 2026, 6:20 PM EST
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Prazosin and Naltrexone (PaN) Study for Veterans With Alcohol Use Disorders

NCT02322047
View directory record Official record
Conditions
Alcohol Use Disorder, Posttraumatic Stress Disorder (PTSD)
Interventions
Prazosin, Naltrexone, Placebo (Prazosin), Placebo (Naltrexone)
Drug
Lead sponsor
Seattle Institute for Biomedical and Clinical Research
Other
Eligibility
18 Years to 80 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 29, 2020 · Synced Nov 1, 2026, 6:20 PM EST
Completed Phase 4 Interventional

Naltrexone for Early Problem Drinkers

NCT00000455
View directory record Official record
Conditions
Alcoholism
Interventions
naltrexone
Drug
Lead sponsor
UConn Health
Other
Eligibility
18 Years to 60 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2002
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 20, 2011 · Synced Nov 1, 2026, 6:20 PM EST
Terminated Phase 4 Interventional Results available

Safety and Pharmacokinetic Study of ALO-02 in Children Ages 7-17 With Pain

NCT02680847
View directory record Official record
Conditions
Moderate-severe Pain
Interventions
ALO-02
Drug
Lead sponsor
Pfizer
Industry
Eligibility
7 Years to 17 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
16
States / cities
Lancaster, California • Los Angeles, California • Sacramento, California + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2018 · Synced Nov 1, 2026, 6:20 PM EST
Completed Phase 3 Interventional Results available

A Trial to Evaluate CG5503 Efficacy and Safety in Acute Pain After Bunionectomy

NCT00609466
View directory record Official record
Conditions
Bunionectomy, Pain, Postoperative Pain, Acute Pain
Interventions
CG5503 IR, Morphine, Placebo
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
18 Years to 80 Years
Enrollment
291 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
6
States / cities
Pasadena, Maryland • Austin, Texas • Houston, Texas + 3 more
Source: ClinicalTrials.gov public record
Updated Nov 16, 2011 · Synced Nov 1, 2026, 6:20 PM EST
Completed Phase 4 Interventional Results available

Ketamine Infusion Therapy for the Management of Acute Pain in Adult Rib Fracture Patients

NCT02432456
View directory record Official record
Conditions
Wounds and Injuries, Rib Fractures
Interventions
Ketamine, Placebo, Intercostal Nerve Block, Acetaminophen, Ibuprofen, Pantoprazole, Methocarbamol, Opioid
Drug · Procedure
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 5, 2020 · Synced Nov 1, 2026, 6:20 PM EST
Completed Phase 1 Interventional Accepts healthy volunteers

Comparison of KADIAN 100 mg When Dosed With Alcohol Under Fasting and Fed Conditions Compared to Water

NCT00768183
View directory record Official record
Conditions
Healthy
Interventions
KADIAN Capsule + alcohol (under fasting conditions), KADIAN Capsule + water (under fasting conditions), morphine sulfate IR oral solution + water, KADIAN Capsule + alcohol (under fed conditions)
Drug
Lead sponsor
Actavis Inc.
Industry
Eligibility
21 Years to 40 Years · Male only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Jul 16, 2020 · Synced Nov 1, 2026, 6:20 PM EST
Completed Phase 2 Interventional

Alternate-Day Buprenorphine Administration. Phase VIII - 9

NCT00000227
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Buprenorphine
Drug
Lead sponsor
University of Vermont
Other
Eligibility
25 Years to 48 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1994
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated May 6, 2016 · Synced Nov 1, 2026, 6:20 PM EST
Completed Phase 4 Interventional

Behavioral Therapy Plus Naltrexone for Alcoholism

NCT00000456
View directory record Official record
Conditions
Alcoholism, Alcohol Dependence
Interventions
naltrexone (Revia), cognitive behavior therapy, motivational enhancement therapy
Drug · Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years to 70 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1992 – 2002
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 4, 2010 · Synced Nov 1, 2026, 6:20 PM EST
Withdrawn Not applicable Interventional

Impact of the Number of Opiates Prescribed on Post Cesarean Pain Control

NCT03175653
View directory record Official record
Conditions
Post-operative Pain Control
Interventions
Oxycodone Pill A, Oxycodone Pill B
Other
Lead sponsor
Mount Carmel Health System
Other
Eligibility
18 Years to 45 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 2, 2021 · Synced Nov 1, 2026, 6:20 PM EST
Terminated Phase 4 Interventional Results available

Haloperidol vs Conventional Therapy for Gastroparesis

NCT02057549
View directory record Official record
Conditions
Gastroparesis
Interventions
Haloperidol, Conventional Therapy
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 90 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 17, 2017 · Synced Nov 1, 2026, 6:20 PM EST
Completed Phase 4 Interventional Results available

NAS Treatment - Opiate Versus Non-Opiate

NCT01734551
View directory record Official record
Conditions
Neonatal Abstinence Syndrome
Interventions
Morphine, Clonidine
Drug
Lead sponsor
Henrietta Bada
Other
Eligibility
1 Day to 7 Days
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Sep 12, 2017 · Synced Nov 1, 2026, 6:20 PM EST
Completed Phase 4 Interventional Results available

Geriatric Ketamine for Pain Management Study

NCT02673372
View directory record Official record
Conditions
Pain
Interventions
Morphine, Ketamine
Drug
Lead sponsor
Antonios Likourezos
Other
Eligibility
65 Years to 120 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated May 31, 2019 · Synced Nov 1, 2026, 6:20 PM EST
Withdrawn Phase 2 Interventional Accepts healthy volunteers

Multimodal Pain Therapy After Hernia Repair

NCT03792295
View directory record Official record
Conditions
Hernia, Abdominal, Pain
Interventions
acetominophen, ibuprofen, oxycodone, Oxycodone
Drug
Lead sponsor
Khashayar Vaziri
Other
Eligibility
18 Years to 90 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Aug 4, 2021 · Synced Nov 1, 2026, 6:20 PM EST
Completed Not applicable Interventional Accepts healthy volunteers

Bioequivalency Study of Buprenorphine Hydrochloride 8 mg Tablet Under Fasted Conditions

NCT00992095
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
buprenorphine hydrochloride
Drug
Lead sponsor
Roxane Laboratories
Industry
Eligibility
18 Years to 45 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jan 23, 2018 · Synced Nov 1, 2026, 6:20 PM EST
Completed Phase 2Phase 3 Interventional Results available

Pharmacological and Behavioral Treatment After Bariatric Surgery: Acute (Stage 1)

NCT04599478
View directory record Official record
Conditions
Loss-of-control Eating, Obesity/Overweight
Interventions
Naltrexone and Bupropion medication, Behavioral Weight Loss, Placebo
Drug · Behavioral · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 70 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Nov 1, 2026, 6:20 PM EST
Terminated Phase 4 Interventional Results available

Buprenorphine vs. Opioid Dose Escalation Among Patients With Chronic Pain

NCT01875848
View directory record Official record
Conditions
Pain
Interventions
buprenorphine/naloxone, opioid dose escalation
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 21, 2016 · Synced Nov 1, 2026, 6:20 PM EST
Completed Phase 2 Interventional Results available

Evaluation of the Tolerability of Switching Subjects on Chronic ATC Opioid Therapy to Buprenorphine HCl Buccal Film

NCT01871285
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 27, 2017 · Synced Nov 1, 2026, 6:20 PM EST
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Non-intrusive Detection of Temporary Neurologic Impairment By Opioids

NCT04223609
View directory record Official record
Conditions
Healthy
Interventions
Oxycodone, Placebo, EyeLink 1000 Plus, Oculo-Cognitive Addition test (OCAT), VT3mini - Eye Tracking Technology for OEMs
Drug · Device · Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
21 Years to 59 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 5, 2023 · Synced Nov 1, 2026, 6:20 PM EST
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Assess the Bioavailability, Pharmacokinetics, Safety, and Tolerability of AVP-923 in Healthy Adult Participants

NCT03381664
View directory record Official record
Conditions
Healthy Adult Male and Female Volunteers
Interventions
AVP-923
Drug
Lead sponsor
Avanir Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Feb 23, 2018 · Synced Nov 1, 2026, 6:20 PM EST
Completed No phase listed Observational Accepts healthy volunteers

A Randomized, Two-way, Crossover Study to Estimate the Relative Bioavailability of a Controlled-release Formulation of Oxycodone (40 mg) With Sequestered Naltrexone Compared With Immediate-release Oxycodone Tablets (20 mg) in Healthy Volunteers

NCT01677065
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 28, 2018 · Synced Nov 1, 2026, 6:20 PM EST