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Showing 1–24 of 33 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Post-Op acetaminophen Clear all
Terminated Phase 4 Interventional Results available

NSAIDs vs Opioids for Post-op Pain in Supracondylar Humerus Fractures

NCT04905563
View directory record Official record
Conditions
Supracondylar Humerus Fracture
Interventions
Acetaminophen-Hydrocodone, Acetaminophen and Ibuprofen
Drug
Lead sponsor
Le Bonheur Children's Hospital
Other
Eligibility
4 Years to 13 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 7, 2024 · Synced Sep 7, 2026, 9:43 AM EDT
Completed No phase listed Observational

Opiate Free Multimodal Pain Pathway in Elective Foot and Ankle Surgery: A Prospective Study

NCT04771741
View directory record Official record
Conditions
Bunion of Unspecified Foot, Bunionette of Unspecified Foot, Hammertoe, Ankle Fractures, Achilles Tendon Surgery
Interventions
Acetominophen, Toradol, Meloxicam, Cyclobenzaprine, Lyrica
Drug
Lead sponsor
Prisma Health-Midlands
Other
Eligibility
18 Years to 99 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 26, 2023 · Synced Sep 7, 2026, 9:43 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Dental Pain Study of Analgesics in Patients Undergoing Molar Removal

NCT03652818
View directory record Official record
Conditions
Dental Pain
Interventions
Pre-Op pregabalin, Pre-Op Placebo 1, Post-Op pregabalin, Post-Op Placebo 1, Post-Op Placebo 2, Post-Op acetaminophen
Drug
Lead sponsor
Nevakar, Inc.
Industry
Eligibility
17 Years to 55 Years
Enrollment
115 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Nov 22, 2021 · Synced Sep 7, 2026, 9:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Honey Used as Adjunct Therapy to Tylenol for Post-Op Tonsillectomy Patients

NCT03931395
View directory record Official record
Conditions
Tonsillectomy
Interventions
Honey, Standard of Care
Dietary Supplement · Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
2 Years to 17 Years
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 31, 2021 · Synced Sep 7, 2026, 9:43 AM EDT
Withdrawn Not applicable Interventional

Here's the Buzz: Evaluating Pediatric Post Op Pain and Nausea Following Tonsillectomy Surgery

NCT04910919
View directory record Official record
Conditions
Tonsillectomy
Interventions
Honey, Standard of Care
Dietary Supplement · Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
5 Years to 17 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 6, 2022 · Synced Sep 7, 2026, 9:43 AM EDT
Completed Phase 4 Interventional Results available

PO vs. IV Acetaminophen Given Perioperatively for 24 hr Post-op Pain Control Following Total Hip or Knee Replacement

NCT02244619
View directory record Official record
Conditions
Post-op Pain
Interventions
Oral acetaminophen, IV acetaminophen
Drug
Lead sponsor
Kettering Health Network
Other
Eligibility
18 Years and older
Enrollment
515 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Kettering, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 23, 2017 · Synced Sep 7, 2026, 9:43 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study of Acetaminophen for Post Surgical Dental Pain

NCT04018612
View directory record Official record
Conditions
Pain, Postoperative, Dental Pain
Interventions
Acetaminophen, Placebo
Drug · Other
Lead sponsor
Nevakar, Inc.
Industry
Eligibility
17 Years to 55 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 28, 2022 · Synced Sep 7, 2026, 9:43 AM EDT
Completed Phase 4 Interventional Results available

Supracondylar Humerus Fracture (SCHF) Post-Op Study Between Opioid and Non-Opioid Pain Management

NCT06187584
View directory record Official record
Conditions
Supracondylar Humerus Fracture
Interventions
Hydrocodone/acetaminophen, Acetaminophen, Ibuprofen
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
5 Years to 9 Years
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Sep 7, 2026, 9:43 AM EDT
Withdrawn Phase 4 Interventional

Effect of a Multimodal Pain Regimen on Pain Control, Patient Satisfaction and Narcotic Use in Orthopaedic Trauma Patients

NCT02160301
View directory record Official record
Conditions
Post Operative Pain Control
Interventions
Gabapentin, Acetaminophen, Celecoxib, Dexamethasone, Oxycodone
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 18, 2017 · Synced Sep 7, 2026, 9:43 AM EDT
Completed Phase 4 Interventional Results available

Multimodal Pain Study in Free Flap Patients

NCT04246697
View directory record Official record
Conditions
Head and Neck Cancer, Analgesia
Interventions
Tylenol, Oxycodone, Morphine, Gabapentin, toradol, Bupivacaine
Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Sep 7, 2026, 9:43 AM EDT
Active, not recruiting Phase 4 Interventional

Post-cesarean Analgesia: Comparing Effectiveness of Staggered v. Simultaneous Therapies

NCT07102641
View directory record Official record
Conditions
Cesarean Delivery, Postpartum Comfort, Postpartum Pain, Post-operative Pain, NSAIDs, Acetaminophen (D000082)
Interventions
Acetaminophen, NSAID (Ketorolac/Ibuprofen)
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
16 Years and older · Female only
Enrollment
825 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 7, 2026, 9:43 AM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Pain Management After Shoulder Arthroplasty

NCT04872270
View directory record Official record
Conditions
Caffeine, Pain, Joint
Interventions
Total Shoulder Arthroplasty, Caffeine Pill, Percocet 10Mg-325Mg Tablet, Zofran 4Mg Tablet
Procedure · Drug
Lead sponsor
Rothman Institute Orthopaedics
Other
Eligibility
55 Years and older
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 3, 2021 · Synced Sep 7, 2026, 9:43 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Multimodal Pain Management After Robotic-Assisted Total Laparoscopic Hysterectomy

NCT04429022
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Gabapentin, Acetaminophen, Celecoxib, Ketorolac, Paracervical block with ropivacaine, Local anesthetic injection with ropivacaine at abdominal laparoscopic port sites, Hydromorphone, Oxycodone
Drug · Procedure
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
25 Years to 90 Years · Female only
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Williamsville, New York
Source: ClinicalTrials.gov public record
Updated Jul 31, 2023 · Synced Sep 7, 2026, 9:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Does Altering Narcotic Prescription Methods Affect Opioid Distribution Following Select Upper Extremity Surgeries?

NCT03570320
View directory record Official record
Conditions
Opioid Use
Interventions
Modification of opioid prescription method
Other
Lead sponsor
John Yanik
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Mar 23, 2020 · Synced Sep 7, 2026, 9:43 AM EDT
Completed Not applicable Interventional

Characterizing the Effects of Platelet-Rich Fibrin (PRF) as a Palatal Wound Dressing on Quality of Life and Sleep Following Mucogingival Surgery. Study Was Conducted at the Air Force Post Graduate Dental School. All HIPPA Consents and Research Informed Consents Are Located at JBSA-Lackland.

NCT07637838
View directory record Official record
Conditions
Palatal Donor Site Wound Healing, Platelet Rich Fibrin, Sleep Quality, Pain, Analgesic Consumption
Interventions
Platelet rich fibrin, Control Group: collagen matrices or oxidized cellulose membrane
Procedure · Other
Lead sponsor
59th Medical Wing
Federal
Eligibility
18 Years to 99 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Sep 7, 2026, 9:43 AM EDT
Completed Not applicable Interventional Results available

Comparing Effectiveness of IV vs Oral Acetaminophen Given Perioperatively for Lap Choles for Pain Control,

NCT01823224
View directory record Official record
Conditions
Laparoscopic Cholecystectomy
Interventions
2 capsules Oral Tylenol 2000 mg and IV "salt water", IV tylenol 1000mg and 2 oral capsule "sugar pills"
Drug
Lead sponsor
Defense and Veterans Center for Integrative Pain Management
Other
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Fort Bragg, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 5, 2016 · Synced Sep 7, 2026, 9:43 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 Sep 7, 2026, 9:43 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

A Prospective Pilot Study of a Non-Narcotic Post-Operative Course After Colectomy

NCT05200806
View directory record Official record
Conditions
Analgesia, Post-Operative Pain, Breakthrough Pain, Colectomy
Interventions
Non-Narcotic ERAS Post-Operative Pain Management
Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Oct 13, 2022 · Synced Sep 7, 2026, 9:43 AM EDT
Completed Phase 4 Interventional Results available

An Analysis of the Efficacy of a Pre-Emptive Multimodal Pain Regimen in Reducing Acute Post-Operative Pain and Narcotic Pain Medication Requirements in Spine Surgery

NCT04522206
View directory record Official record
Conditions
Pain, Postoperative, Spine Injuries and Disorders, Narcotic Use
Interventions
Pre-op Multimodal analgesia (MMA) regimen + standard post-op oxycodone
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 10, 2022 · Synced Sep 7, 2026, 9:43 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Opioid Sparing Effect of an ISP Nerve Block on Post-Op Pain Control in Posterior Cervical Spine Surgery

NCT06570577
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Inter-semispinalis Plane Block, Opioids
Procedure · Drug
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 7, 2026, 9:43 AM EDT
Completed Phase 2 Interventional Results available

Effects of Inhibiting Early Inflammation in Kidney Transplant Patients

NCT02495077
View directory record Official record
Conditions
Kidney Transplant
Interventions
Infliximab, Methylprednisolone, Mycophenolate Mofetil, Tacrolimus, Thymoglobulin®, Acetaminophen, Loratadine, Placebo for Infliximab, Prednisone, Diphenhydramine
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
13
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 8 more
Source: ClinicalTrials.gov public record
Updated Aug 15, 2022 · Synced Sep 7, 2026, 9:43 AM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Comparing Perioperative Outcomes in Pain Control

NCT05690282
View directory record Official record
Conditions
Post-operative Pain
Interventions
Multimodal Pain Management (Ibuprofen/Acetaminophen/GABAPentin/0.25%Bupivacaine)
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 23, 2025 · Synced Sep 7, 2026, 9:43 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Effectiveness of Cannabidiol vs. Narcotics for Post Operative Pain Control in Elective Shoulder Arthroscopic Surgery

NCT05240755
View directory record Official record
Conditions
Post-operative Pain
Interventions
Cannabidiol Oil
Drug
Lead sponsor
Foundation for Orthopaedic Research and Education
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Mar 16, 2025 · Synced Sep 7, 2026, 9:43 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Subcutaneous Bupivacaine Decrease Post-op Pain in Patients Undergoing C-Section

NCT03383588
View directory record Official record
Conditions
Pain, Referred
Interventions
Bupivacaine, Morphine, Fentanyl, Epinephrine, Saline solution
Drug · Other
Lead sponsor
Montefiore Medical Center
Other
Eligibility
17 Years to 40 Years · Female only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jan 12, 2020 · Synced Sep 7, 2026, 9:43 AM EDT