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Showing 1–24 of 625 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Analgesics 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, 9:32 AM 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Withdrawn Phase 2 Interventional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, 9:32 AM EDT
Withdrawn Phase 2 Interventional Accepts healthy volunteers

Validate a Pharmacodynamic Model of Oxytocin for Peripheral Analgesic Effects

NCT04435704
View directory record Official record
Conditions
Osteoarthritis, Knee
Interventions
Oxytocin
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Jul 21, 2026, 9:32 AM 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, 9:32 AM 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, 9:32 AM 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, 9:32 AM 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, 9:32 AM EDT
Completed Phase 4 Interventional

Effect of Celecoxib Versus Placebo Before and After Knee Surgery on Overall Use of Analgesics After Surgery

NCT00633438
View directory record Official record
Conditions
Arthroscopy
Interventions
Placebo, Celecoxib
Other · Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004
U.S. locations
18
States / cities
Phoenix, Arizona • St. Petersburg, Florida • Baltimore, Maryland + 7 more
Source: ClinicalTrials.gov public record
Updated Feb 20, 2021 · Synced Jul 21, 2026, 9:32 AM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Analgesic Efficacy and Safety of Hydrocodone Bitartrate/Acetaminophen Immediate-Release Tablets in Participants With Moderate to Severe Pain Following Bunionectomy

NCT02487108
View directory record Official record
Conditions
Pain
Interventions
TV-46763, Placebo
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
569 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
8
States / cities
Phoenix, Arizona • Anaheim, California • Bakersfield, California + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2022 · Synced Jul 21, 2026, 9:32 AM EDT
Completed Phase 3 Interventional

A Study of an Acetaminophen/Naproxen Sodium Fixed Combination, Acetaminophen and Naproxen Sodium in Postoperative Dental Pain

NCT05761574
View directory record Official record
Conditions
Pain
Interventions
Acetaminophen/Naproxen Sodium Fixed Combination, Naproxen Sodium, Acetaminophen, Placebo
Drug
Lead sponsor
Johnson & Johnson Consumer Inc. (J&JCI)
Industry
Eligibility
16 Years to 50 Years
Enrollment
447 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 1, 2025 · Synced Jul 21, 2026, 9:32 AM EDT
Completed Not applicable Interventional Results available

A Comparison of Postoperative Analgesic Nerve Block Ropivacaine Concentrations

NCT01556724
View directory record Official record
Conditions
Total Hip Arthroplasty, Postoperative Pain
Interventions
0.1% or 0.2% ropivacaine nerve blocks
Drug
Lead sponsor
Sylvia Wilson
Other
Eligibility
18 Years to 75 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 16, 2018 · Synced Jul 21, 2026, 9:32 AM 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, 9:32 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 6, 2014 · Synced Jul 21, 2026, 9:32 AM EDT
Withdrawn Phase 2 Interventional

Efficacy of Acetaminophen in Posterior Fossa Surgery

NCT02532322
View directory record Official record
Conditions
Arnold-Chiari Malformation, Posterior Fossa Tumors
Interventions
IV acetaminophen, normal saline
Drug
Lead sponsor
Children's National Research Institute
Other
Eligibility
2 Years to 12 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 7, 2021 · Synced Jul 21, 2026, 9:32 AM EDT
Recruiting Phase 2 Interventional

Supplemental Postoperative Bupivacaine Following Non-Surgical Endodontic Treatment

NCT06655454
View directory record Official record
Conditions
Pain Assessment, Quality of Life (QOL), Analgesic Use
Interventions
Supplemental Postoperative Bupivacaine, Placebo Injection
Drug
Lead sponsor
New York University
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Jul 21, 2026, 9:32 AM EDT
Completed Phase 4 Interventional

Training "Pain Connoisseurs" for Efficient Analgesic Proof-of-Concept Studies

NCT02842554
View directory record Official record
Conditions
Painful Diabetic Neuropathy (PDN)
Interventions
EPT, Drug Placebo Administration, C
Other · Drug
Lead sponsor
Analgesic Solutions
Industry
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Natick, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 24, 2016 · Synced Jul 21, 2026, 9:32 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Multicenter Outcome Registry of AnaLgesic Effect of SCS(MORALES) Registry Protocol

NCT04548375
View directory record Official record
Conditions
SCS
Interventions
SCS
Device
Lead sponsor
Cardio Surgical Partners
Network
Eligibility
Not listed
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Reno, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 19, 2024 · Synced Jul 21, 2026, 9:32 AM EDT
Terminated Not applicable Interventional

Improving Outcomes and Lowering Costs by Integration of Primary Care Providers and Pain Medicine Physicians for Pain Pts

NCT02484937
View directory record Official record
Conditions
Back Pain, Chronic Pain, Pain, Intractable
Interventions
Group 2 (PCP Treatment), Group 1 (PMS Treatment)
Other
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 28, 2022 · Synced Jul 21, 2026, 9:32 AM 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, 9:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dosimeter Location in Pain Physicians

NCT06309407
View directory record Official record
Conditions
RAD
Interventions
Hand Dosimeters, Standard Practice
Device
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 100 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 12, 2024 · Synced Jul 21, 2026, 9:32 AM EDT
Completed Not applicable Interventional

Integrating Pain-CBT Into an mHealth Analgesic Support Intervention for Patients With Chronic Pain From Advanced Cancers

NCT06722014
View directory record Official record
Conditions
Pain, Pain Syndrome, Advanced Cancer
Interventions
STAMP + CBT, Digital Cancer Pain Education Packet
Behavioral
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
22 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Jul 21, 2026, 9:32 AM 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, 9:32 AM 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, 9:32 AM 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, 9:32 AM EDT