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ClinicalTrials.gov public records Last synced Jul 21, 2026, 11:36 PM EDT

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Showing 1–24 of 196 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Analgesic, Opioid Clear all
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers Results available

Opioid Analgesic Reduction Study

NCT04452344
View directory record Official record
Conditions
Opioid Use
Interventions
opioid-containing analgesic, two over-the-counter analgesics
Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
1,815 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
5
States / cities
Chicago, Illinois • Baltimore, Maryland • Ann Arbor, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Jul 21, 2026, 11:36 PM EDT
Withdrawn Phase 2 Interventional

Analgesic Effects of Perioperative Propranolol Administration for Spine Surgery

NCT04421209
View directory record Official record
Conditions
Lumbar Disc Disease, Spinal Fusion, Degenerative Disc Disease
Interventions
Propranolol Hcl 40mg Tab, Placebo oral tablet
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 15, 2021 · Synced Jul 21, 2026, 11:36 PM EDT
Completed Phase 3 Interventional Results available

A Phase 3 Efficacy and Safety Study of Intra-articular CNTX-4975-05 (Capsaicin) vs Placebo in Subjects With OA Knee Pain

NCT03429049
View directory record Official record
Conditions
Osteoarthritis, Knee
Interventions
CNTX-4975-05, Placebo
Drug
Lead sponsor
Centrexion Therapeutics
Industry
Eligibility
40 Years to 95 Years
Enrollment
332 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
33
States / cities
Birmingham, Alabama • Mobile, Alabama • Tucson, Arizona + 28 more
Source: ClinicalTrials.gov public record
Updated Jul 25, 2022 · Synced Jul 21, 2026, 11:36 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study to Test the Efficacy of Online Education to Increase Safe Use of Opioid Medication.

NCT01770314
View directory record Official record
Conditions
Medication Adherence
Interventions
Experimental
Behavioral
Lead sponsor
Inflexxion, Inc.
Industry
Eligibility
18 Years and older
Enrollment
176 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Newton, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 18, 2014 · Synced Jul 21, 2026, 11:36 PM EDT
Completed No phase listed Observational

A Naturalistic Experiment Evaluating the Impact of Medicaid Treatment Reimbursement Changes on Opioid Prescribing and Patient Outcomes Among Patients With Back Pain

NCT03393143
View directory record Official record
Conditions
Back Pain, Neck Pain
Interventions
Not listed
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years to 65 Years
Enrollment
2,748 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 10, 2021 · Synced Jul 21, 2026, 11:36 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Evaluating Postoperative Non-Opioid Pain Management Utilizing Local Anesthetics Coupled With Modulated Coagulation

NCT04814433
View directory record Official record
Conditions
Opioid Pain Medication
Interventions
Tranexamic acid, Aminocaproic acid, Recombinant Human Thrombin, Lidocaine Hydrochloride with Epinephrine, Bupivacaine Hydrochloride with Epinephrine
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 99 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 25, 2024 · Synced Jul 21, 2026, 11:36 PM EDT
Not yet recruiting Phase 4 Interventional

RCT: Suzetrigine vs Norco for Post-op Pain

NCT07195669
View directory record Official record
Conditions
Pain Control
Interventions
Suzetrigine (SUZ), Norco
Drug
Lead sponsor
Jacob Lensing
Other
Eligibility
18 Years to 45 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 28, 2025 · Synced Jul 21, 2026, 11:36 PM 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 6, 2014 · Synced Jul 21, 2026, 11:36 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Opioid Analgesic Reduction Study (OARS) - Pilot

NCT05283499
View directory record Official record
Conditions
Post Operative Pain
Interventions
OPIOID, NON-OPIOID
Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 99 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
5
States / cities
Chicago, Illinois • Baltimore, Maryland • Ann Arbor, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 5, 2023 · Synced Jul 21, 2026, 11:36 PM EDT
Completed Phase 4 Interventional Results available

the Analgesic Duration of Dexmedetomidine Compared to Dexamethasone as Adjuncts to Single Shot Interscalene Block

NCT02653144
View directory record Official record
Conditions
Opioid Use, Unspecified
Interventions
Ropivacaine, Dexmedetomidine, Dexamethasone
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jul 21, 2020 · Synced Jul 21, 2026, 11:36 PM EDT
Completed Phase 2 Interventional Results available

Methylnaltrexone for Opioid-induced Constipation in Cancer Patients

NCT01004393
View directory record Official record
Conditions
Neoplasms, Constipation, Opioid-Related Disorders
Interventions
Methylnaltrexone bromide
Drug
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Feb 1, 2016 · Synced Jul 21, 2026, 11:36 PM EDT
Completed Phase 3 Interventional Results available

An Open-label, 8-week Safety, Efficacy, and Assessment of Cooling Methods for Administration of CNTX-4975-05 for Knee OA

NCT03661996
View directory record Official record
Conditions
Knee Osteoarthritis
Interventions
CNTX-4975-05, Lidocaine without epinephrine, ElastoGel, Breg Ice Water Pump
Drug · Device
Lead sponsor
Centrexion Therapeutics
Industry
Eligibility
40 Years to 95 Years
Enrollment
854 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
28
States / cities
Birmingham, Alabama • Peoria, Arizona • Tucson, Arizona + 24 more
Source: ClinicalTrials.gov public record
Updated Mar 8, 2022 · Synced Jul 21, 2026, 11:36 PM 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 30, 2018 · Synced Jul 21, 2026, 11:36 PM EDT
Withdrawn Phase 4 Interventional

Rescue Quadratus Lumborum Blocks for Post-cesarean Pain

NCT04397458
View directory record Official record
Conditions
Morphine, Analgesics, Analgesics, Opioid, Peripheral Nervous System Agents
Interventions
Saline, Bupivacaine, Dexamethasone
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 50 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 2, 2023 · Synced Jul 21, 2026, 11:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Quantitative Sensory Testing in Chronic Pain Patients Undergoing Opioid Treatment and Opioid Tapering

NCT03375216
View directory record Official record
Conditions
Analgesic Drug Dependence, Sensory Deficit
Interventions
sensory testing (Heat, cold, and pressure), Promis Survey
Behavioral
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 75 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 12, 2024 · Synced Jul 21, 2026, 11:36 PM 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 11, 2015 · Synced Jul 21, 2026, 11:36 PM EDT
Completed No phase listed Observational

Predicting Oxycodone Dose From Oral Fluid Drug Levels

NCT01928303
View directory record Official record
Conditions
Chronic Pain
Interventions
Not listed
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 72 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 14, 2014 · Synced Jul 21, 2026, 11:36 PM EDT
Completed Phase 2 Interventional Results available

Clomiphene Citrate for the Treatment of Low Testosterone Associated With Chronic Opioid Pain Medication Administration

NCT01880086
View directory record Official record
Conditions
Hypogonadism, Opioid-Related Disorders, Male Infertility
Interventions
Clomiphene citrate, Placebo
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 16, 2018 · Synced Jul 21, 2026, 11:36 PM EDT
Completed Not applicable Interventional

Pain and Narcotic Usage After Orthopaedic Surgery

NCT03991546
View directory record Official record
Conditions
Fractures, Closed, Pain, Postoperative, Pain Catastrophizing, Pain, Acute, Analgesia, Opioid Use, Acceptance and Commitment Therapy, Orthopedics, Analgesics, Opioid, Text Messaging
Interventions
Acceptance and Commitment Therapy Delivered via an Automated Mobile Messaging Robot
Behavioral
Lead sponsor
Christopher Anthony
Other
Eligibility
18 Years to 100 Years
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Sep 3, 2019 · Synced Jul 21, 2026, 11:36 PM EDT
Recruiting Phase 4 Interventional

Buprenorphine as a Post-operative Analgesic in Opioid-Naive Patients After Ankle Fracture Surgery

NCT06949826
View directory record Official record
Conditions
Pain, Postoperative, Ankle Fracture Surgery, Opioid Use Disorder, Opioid Dependence, Opioid Analgesia
Interventions
Buprenorphine Transdermal System, Placebo Patch
Drug
Lead sponsor
Jenna-Leigh Wilson
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced Jul 21, 2026, 11:36 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Medrol Dosepak for Outpatient Total Knee Arthroplasty

NCT05097976
View directory record Official record
Conditions
Total Knee Arthroplasty
Interventions
Methylprednisolone, Placebo
Drug
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
420 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Oak Brook, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Jul 21, 2026, 11:36 PM 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 21, 2021 · Synced Jul 21, 2026, 11:36 PM EDT
Completed Phase 3 Interventional Results available

Study of Post-Herniorrhaphy Non-opioid MMA Regimens

NCT03907176
View directory record Official record
Conditions
Analgesia
Interventions
HTX-011, Luer lock applicator, Ibuprofen, Acetaminophen
Drug · Device
Lead sponsor
Heron Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
209 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
30
States / cities
Anaheim, California • La Mesa, California • Orange, California + 22 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Jul 21, 2026, 11:36 PM EDT
Completed Not applicable Interventional

Telehealth Delivered Physical Rehabilitation for an Ankle Sprain

NCT04520854
View directory record Official record
Conditions
Ankle Sprains, Telerehabilitation, Analgesic, Opioid, Analgesics, Non-narcotic, Anti-Inflammatory Agents, Non-Steroidal, Implementation Science, Acute Pain, Quality of Life
Interventions
Telehealth Protocol, Usual Care
Other
Lead sponsor
Kyle Kosik
Other
Eligibility
15 Years to 35 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 27, 2025 · Synced Jul 21, 2026, 11:36 PM EDT