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ClinicalTrials.gov public records Last synced Oct 1, 2026, 10:18 AM EDT

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Showing 25–48 of 198 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Analgesic, Opioid Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Rhode Island Prescription and Illicit Drug Study

NCT04372238
View directory record Official record
Conditions
Opioid Overdose, Drug Overdose
Interventions
RAPIDS Intervention, Standard OEND
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years to 65 Years
Enrollment
509 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 24, 2025 · Synced Oct 1, 2026, 10:18 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Acetaminophen IV vs Hydromorphone IV in the ED

NCT03107481
View directory record Official record
Conditions
Pain, Acute
Interventions
Acetaminophen, Hydromorphone
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
21 Years to 64 Years
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Nov 17, 2017 · Synced Oct 1, 2026, 10:18 AM EDT
Completed Not applicable Interventional

A Quality Improvement Project to Investigate Individual Provider Variation in Opioid Prescribing From the Emergency Department

NCT02665429
View directory record Official record
Conditions
Analgesics, Opioid, Delivery of Health Care, Drug Prescribing, Over Prescribing, Prescribing Patterns, Physician, Practice Management, Medical, Practice Guidelines as Topic
Interventions
Individual prescribing data profile and self-assessment
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
Not listed
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
3
States / cities
Clinton, Massachusetts • Marlborough, Massachusetts • Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 27, 2017 · Synced Oct 1, 2026, 10:18 AM EDT
Not listed Not applicable Interventional

A Patient Education Video Program for Post-Operative Recovery After Upper Extremity Surgery

NCT03366805
View directory record Official record
Conditions
Analgesics, Opioid, Orthopedic Surgery, Ambulatory Surgery, Education, Patient, Injuries and Wounds
Interventions
Pain Management Patient Education Video, Wound Care Patient Education Video
Behavioral
Lead sponsor
Carilion Clinic
Other
Eligibility
18 Years and older
Enrollment
221 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 23, 2019 · Synced Oct 1, 2026, 10:18 AM EDT
Active, not recruiting No phase listed Observational

Developing a Method to Objectively Measure Opioid Analgesia

NCT03605966
View directory record Official record
Conditions
Analgesics, Antipyretics and Anti-Inflammatory Drugs Causing Adverse Effects in Therapeutic Use
Interventions
Not listed
Lead sponsor
Julia Finkel
Other
Eligibility
7 Years to 21 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Oct 1, 2026, 10:18 AM EDT
Completed Not applicable Interventional

Valdecoxib in Treating Chronic Pain in Cancer Patients

NCT00021996
View directory record Official record
Conditions
Pain, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
valdecoxib
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 18, 2013 · Synced Oct 1, 2026, 10:18 AM EDT
Completed Phase 3 Interventional

Safety and Efficacy of Probuphine in the Treatment of Opioid Dependence

NCT00447564
View directory record Official record
Conditions
Opioid Dependence
Interventions
Probuphine, placebo
Drug
Lead sponsor
Titan Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
18
States / cities
Los Angeles, California • National City, California • Oceanside, California + 14 more
Source: ClinicalTrials.gov public record
Updated Dec 31, 2018 · Synced Oct 1, 2026, 10:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Suprazygomatic Maxillary Nerve Block in Cleft Palate Outcomes

NCT04909619
View directory record Official record
Conditions
Cleft Palate Children
Interventions
Ultrasound-guided bilateral suprazygomatic maxillary nerve block, Local anesthetic infiltration of the palate
Procedure
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
9 Months to 2 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Oct 1, 2026, 10:18 AM EDT
Completed Not applicable Interventional Results available

A Pilot Study of Switching From One Pain Medication to Another (Opioid Rotation)

NCT00580294
View directory record Official record
Conditions
Pain
Interventions
Oxymorphone
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 3, 2016 · Synced Oct 1, 2026, 10:18 AM EDT
Terminated Phase 4 Interventional Results available

Discontinuation vs Continuation of Long-term Opioid Therapy in Suboptimal and Optimal Responders With Chronic Pain

NCT02741076
View directory record Official record
Conditions
Opioid-Related Disorders, Opiate Addiction, Narcotic Abuse, Drug Abuse
Interventions
Structured discontinuation of opioid therapy (morphine sulfate ER, oxycodone ER, oxymorphone ER), Continuation of opioid therapy (morphine sulfate ER, oxycodone ER, oxymorphone ER)
Drug
Lead sponsor
Member Companies of the Opioid PMR Consortium
Industry
Eligibility
18 Years to 75 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
61
States / cities
Foley, Alabama • Mobile, Alabama • Montgomery, Alabama + 49 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2019 · Synced Oct 1, 2026, 10:18 AM EDT
Active, not recruiting Phase 2 Interventional

Project 1 Aim 2, Adaptations of the Brain in Chronic Pain With Opioid Exposure

NCT05463367
View directory record Official record
Conditions
Opioid Use, Opioid Dependence, Opioid-use Disorder, Narcotic Use, Back Pain, Back Injuries, Chronic Pain, Chronic Low-back Pain, Pain, Chronic, Pain;Back Low;Chronic, Pain, Back
Interventions
Carbidopa-Levodopa 25 Mg-100 Mg Oral Tablet, Naproxen 500 Mg, Opioids
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 27, 2024 · Synced Oct 1, 2026, 10:18 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Better Options for Chronic Cancer Pain

NCT06574009
View directory record Official record
Conditions
Chronic Pain, Cancer Survivor, Opioid Dependence
Interventions
Multimodal pain care, Medication optimization, Buprenorphine rotation, Opioid tapering
Behavioral · Drug · Device + 1 more
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 99 Years
Enrollment
294 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
2
States / cities
Indianapolis, Indiana • Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Oct 1, 2026, 10:18 AM EDT
Enrolling by invitation Not applicable Interventional

Ultrasound-Guided Percutaneous Cryoneurolysis to Treat Postoperative Pain After Mastectomy

NCT05444361
View directory record Official record
Conditions
Mastectomy; Lymphedema
Interventions
Cryoneurolysis, Sham Comparator
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
5
States / cities
Los Angeles, California • San Diego, California • Gainesville, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Oct 1, 2026, 10:18 AM EDT
Completed Phase 2 Interventional Results available

Study to Evaluate Analgesic Effect of Intravenous Administration of Kappa Agonist CR845 After Hysterectomy Surgery

NCT00877799
View directory record Official record
Conditions
Acute Pain
Interventions
CR845, Placebo
Drug
Lead sponsor
Cara Therapeutics, Inc.
Industry
Eligibility
21 Years to 60 Years · Female only
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
12
States / cities
Mobile, Alabama • Sheffield, Alabama • Phoenix, Arizona + 7 more
Source: ClinicalTrials.gov public record
Updated May 12, 2015 · Synced Oct 1, 2026, 10:18 AM EDT
Withdrawn Not applicable Interventional

Auricular Acupuncture as Part of Multimodal Analgesia After Lower Leg Fracture

NCT05984433
View directory record Official record
Conditions
Pain, Postoperative, Fracture, Ankle, Pilon Fracture of Tibia, Foot Fracture
Interventions
Auricular acupuncture
Device
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 64 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Oct 1, 2026, 10:18 AM EDT
Completed Not applicable Interventional Results available

De-Implementing Opioids for Dental Extractions

NCT03584789
View directory record Official record
Conditions
Tooth Extraction
Interventions
Clinical Decision Support, Patient education
Other
Lead sponsor
HealthPartners Institute
Other
Eligibility
16 Years and older
Enrollment
5,722 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Bloomington, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 30, 2022 · Synced Oct 1, 2026, 10:18 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Dexmedetomidine in the Treatment of Symptoms Of Acute Opioid Withdrawal

NCT04470050
View directory record Official record
Conditions
Opioid Withdrawal
Interventions
Dexmedetomidine, Placebo
Drug
Lead sponsor
BioXcel Therapeutics Inc
Industry
Eligibility
18 Years to 65 Years
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
Miami Lakes, Florida • Marlton, New Jersey • New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 1, 2026, 10:18 AM EDT
Completed Not applicable Interventional

The Effect of Prolonged Multimodal Analgesic Regimen on Post Hospital Discharge Opioid Use and Pain Control After Primary Total Knee Arthroplasty

NCT04003350
View directory record Official record
Conditions
Osteo Arthritis Knee
Interventions
Oxycodone, Tramadol, Tylenol, Meloxicam, Gabapentin, Metaxalone, Esomeprazole 20mg
Drug
Lead sponsor
Rothman Institute Orthopaedics
Other
Eligibility
18 Years and older
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 1, 2019 · Synced Oct 1, 2026, 10:18 AM 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 1, 2026, 10:18 AM EDT
Completed Phase 2 Interventional

Neuroimaging and CBD for Opioid Use Disorder

NCT04567784
View directory record Official record
Conditions
Heroin Abuse, Opioid Use Disorder, Substance-Related Disorders, Opioid-Related Disorders
Interventions
Cannabidiol (CBD), Placebo
Drug
Lead sponsor
Yasmin Hurd
Other
Eligibility
18 Years to 65 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 27, 2025 · Synced Oct 1, 2026, 10:18 AM EDT
Completed Phase 3 Interventional

Extension to Safety and Efficacy of Probuphine in the Treatment of Opioid Dependence

NCT00630201
View directory record Official record
Conditions
Opioid Dependence
Interventions
Probuphine (buprenorphine implant)
Drug
Lead sponsor
Titan Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
15
States / cities
Los Angeles, California • National City, California • Jacksonville, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Dec 31, 2018 · Synced Oct 1, 2026, 10:18 AM EDT
Completed Phase 3 Interventional

Analgesic Efficacy and Management of Opioid-induced Constipation (OIC) for Uncontrolled Moderate - Severe Low Back Pain

NCT01427270
View directory record Official record
Conditions
Low Back Pain
Interventions
Oxycodone/Naloxone controlled-release, Oxycodone HCl controlled-release, Placebo
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years and older
Enrollment
455 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
170
States / cities
Alabaster, Alabama • Birmingham, Alabama • Gulf Shores, Alabama + 137 more
Source: ClinicalTrials.gov public record
Updated Nov 7, 2014 · Synced Oct 1, 2026, 10:18 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Self-reported Usage Patterns of Opioid Analgesic Medications After Surgery

NCT03034278
View directory record Official record
Conditions
Opioid Use
Interventions
Not applicable - no intervention
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 89 Years
Enrollment
785 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 22, 2021 · Synced Oct 1, 2026, 10:18 AM EDT
Completed Phase 4 Interventional Results available

Pregabalin vs. Gabapentin on Reducing Opioid Usage

NCT04705480
View directory record Official record
Conditions
Analgesics, Gabapentin, Injuries, Narcotics, Pain, Trauma
Interventions
Pregabalin 50mg, Gabapentin 300mg, Neither Pregabalin nor Gabapentin
Drug
Lead sponsor
CAMC Health System
Other
Eligibility
18 Years and older
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Charleston, West Virginia
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Oct 1, 2026, 10:18 AM EDT