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ClinicalTrials.gov public records Last synced Sep 30, 2026, 9:09 PM EDT

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Showing 49–72 of 945 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Acetaminophen/Paracetamol Clear all
Completed Phase 1Phase 2 Interventional Results available

Phase I/II Thymus Transplantation With Immunosuppression #950

NCT00579527
View directory record Official record
Conditions
DiGeorge Anomaly, Complete DiGeorge Anomaly, Complete Atypical DiGeorge Anomaly, Complete DiGeorge Syndrome, Complete Atypical DiGeorge Syndrome
Interventions
Cultured Thymus Tissue for Implantation (CTTI), Cultured Thymus Tissue Implantation and Parental Parathyroid Transplantation, Blood Draw, Rabbit anti-thymocyte globulin, Cyclosporine, Tacrolimus, Methylprednisolone or Prednisolone, Daclizumab, Mycophenolate mofetil
Biological · Other · Procedure + 1 more
Lead sponsor
Sumitomo Pharma Switzerland GmbH
Industry
Eligibility
Not listed
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2017
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 25, 2022 · Synced Sep 30, 2026, 9:09 PM EDT
Active, not recruiting Phase 3 Interventional

A Study to Evaluate the Efficacy and Safety of Obinutuzumab in Participants With Systemic Lupus Erythematosus

NCT04963296
View directory record Official record
Conditions
Systemic Lupus Erythematosus
Interventions
Obinutuzumab, Placebo, Acetaminophen/Paracetamol, Diphenhydramine hydrochloride, Methylprednisolone
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 75 Years
Enrollment
303 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
14
States / cities
Anniston, Alabama • Searcy, Arkansas • Fullerton, California + 11 more
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Sep 30, 2026, 9:09 PM EDT
Terminated Phase 2Phase 3 Interventional

Opioid-Free Pain Control Regimen Following Robotic Radical Prostatectomy

NCT05597878
View directory record Official record
Conditions
Pain Management, Opioid Use, Prostate Cancer
Interventions
Oxycodone, Acetaminophen, Ketamine, Ketorolac
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
40 Years to 75 Years · Male only
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Sep 30, 2026, 9:09 PM EDT
Suspended Phase 2 Interventional

Pain After Strabismus Surgery

NCT06689943
View directory record Official record
Conditions
Strabismus
Interventions
Tylenol
Drug
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
4 Years to 12 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 30, 2026, 9:09 PM EDT
Recruiting Not applicable Interventional

Comparing Over the Counter Pain Medicines for Discomfort in Crohn's Disease (AVID-CD)

NCT07337902
View directory record Official record
Conditions
Crohn's Disease (CD), Dysmenorrhea Primary
Interventions
Acetaminophen, Ibuprofen
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Sep 30, 2026, 9:09 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Donor Alloantigen Reactive Tregs (darTregs) for Calcineurin Inhibitor (CNI) Reduction

NCT02474199
View directory record Official record
Conditions
Liver Transplant Recipient, Living Donor (of the Respective Liver Transplant Recipient)
Interventions
darTregs, Acetaminophen, Diphenhydramine, Immunosuppression (IS) Withdrawal, Study Mandated Procedures
Biological · Drug · Procedure
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
3
States / cities
San Francisco, California • Chicago, Illinois • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 9, 2021 · Synced Sep 30, 2026, 9:09 PM 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 Sep 24, 2026 · Synced Sep 30, 2026, 9:09 PM EDT
Not listed Phase 4 Interventional

A Multi-surgery Assessment of ZYNRELEF (HTX-011), AMAZE. Master Protocol HTX-011-401.

NCT05109312
View directory record Official record
Conditions
Analgesia
Interventions
Bupivacaine Hydrochloride, HTX-011, Luer lock applicator, Ibuprofen, Acetaminophen
Drug · Device
Lead sponsor
Heron Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
7
States / cities
Little Rock, Arkansas • Sarasota, Florida • Tulsa, Oklahoma + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 26, 2023 · Synced Sep 30, 2026, 9:09 PM EDT
Completed Phase 4 Interventional Results available

Efficacy of Intercostal CryoAnalgesia in Robotic Lung Resection

NCT05144828
View directory record Official record
Conditions
Pain, Postoperative, Lung Diseases
Interventions
Intercostal Nerve Cryoablation, Patient-controlled analgesia (PCA)
Device · Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 85 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 30, 2026, 9:09 PM EDT
Withdrawn Phase 4 Interventional

Single Shot Exparel vs Catheters in Lower Extremity Trauma

NCT07221019
View directory record Official record
Conditions
Fracture Dislocation of Ankle Joint, Fracture Leg, Fracture Femur, Fracture Lower Leg, Fracture
Interventions
Bupivacaine, Exparel + Bupivacaine
Drug
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Sep 30, 2026, 9:09 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Intra-Venous Acetaminophen and Muscle Relaxants After Total Knee

NCT02449369
View directory record Official record
Conditions
Unilateral Knee Arthroplasty
Interventions
Preop acetaminophen IV, Preop orphenadrine IV, Postop oral oxycodone & acetaminophen, Postop hydromorphone IV, Postop oral orphenadrine, Postop oral oxycodone, Postop acetaminophen IV, Postop orphenadrine IV
Drug
Lead sponsor
AdventHealth
Other
Eligibility
18 Years to 85 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Winter Park, Florida
Source: ClinicalTrials.gov public record
Updated Aug 31, 2017 · Synced Sep 30, 2026, 9:09 PM EDT
Terminated Phase 4 Interventional

Effect of Perioperative Acetaminophen Dosing on Patients Undergoing Surgical Treatment of Basilar Thumb Arthritis

NCT05556356
View directory record Official record
Conditions
Carpometacarpal Osteoarthritis
Interventions
Acetaminophen, Placebo: Multivitamin
Drug · Other
Lead sponsor
Indiana Hand to Shoulder Center
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 8, 2024 · Synced Sep 30, 2026, 9:09 PM EDT
Withdrawn Phase 4 Interventional

Ketamine in Colorectal Surgery

NCT02785003
View directory record Official record
Conditions
Acute Pain, Pain, Postoperative, Colorectal Surgery
Interventions
Placebo, Ketamine, Acetaminophen, Opioid, Alvimopan
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 26, 2017 · Synced Sep 30, 2026, 9:09 PM EDT
Completed Not applicable Interventional

Opioid-Free Orthopaedic Surgery

NCT04176783
View directory record Official record
Conditions
Pain Management
Interventions
Opioids, Opioid-Free
Drug
Lead sponsor
OrthoCarolina Research Institute, Inc.
Other
Eligibility
18 Years and older
Enrollment
511 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 20, 2025 · Synced Sep 30, 2026, 9:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of Efinopegdutide in Healthy Obese Participants (MK-6024-015)

NCT06701305
View directory record Official record
Conditions
Healthy
Interventions
Efinopegdutide, Placebo, Acetaminophen
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
South Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 26, 2025 · Synced Sep 30, 2026, 9:09 PM EDT
Completed Phase 4 Interventional Results available

IV Acetaminophen as an Analgesic Adjunct

NCT02621619
View directory record Official record
Conditions
Acute Pain
Interventions
IV acetaminophen + 0.5 mg IV hydromorphone, Normal saline + 0.5 mg IV hydromorphone
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
65 Years and older
Enrollment
159 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Nov 8, 2018 · Synced Sep 30, 2026, 9:09 PM EDT
Completed Not applicable Interventional

Post-market, Randomized, Controlled, Prospective Study Evaluating Intrathecal Pain Medication (IT) Versus Conventional Medical Management (CMM) in the Non-cancer, Refractory, Chronic Pain Population

NCT04096391
View directory record Official record
Conditions
Chronic Nonmalignant Pain, Pain, Intractable, Pain, Chronic
Interventions
Flowonix Prometra® II Programmable Infusion System, Pain Medicine
Device · Drug
Lead sponsor
Evolve Restorative Center
Other
Eligibility
22 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Santa Rosa, California
Source: ClinicalTrials.gov public record
Updated May 18, 2022 · Synced Sep 30, 2026, 9:09 PM EDT
Recruiting Not applicable Interventional

Sequential and Comparative Evaluation of Pain Treatment Effectiveness Response

NCT04142177
View directory record Official record
Conditions
Chronic Low Back Pain
Interventions
Pain EASE, Tailored exercise, Continued Care and Active Monitoring, Cognitive Behavioral Therapy (CBT), Spinal Manipulation Therapy (SMT), Yoga
Other · Procedure · Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
2,529 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
19
States / cities
Phoenix, Arizona • Loma Linda, California • Long Beach, California + 16 more
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 30, 2026, 9:09 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Acetaminophen Before Vaccines for Infants Study (AVIS)

NCT00325819
View directory record Official record
Conditions
Fever
Interventions
Acetaminophen, placebo
Drug · Other
Lead sponsor
Kaiser Permanente
Other
Eligibility
6 Weeks to 9 Months
Enrollment
374 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 13, 2017 · Synced Sep 30, 2026, 9:09 PM EDT
Enrolling by invitation Phase 4 Interventional Accepts healthy volunteers

Reducing Opioid Use After Upper Extremity Surgery: Testing Lower Prescriptions and Pill Quantity

NCT07750639
View directory record Official record
Conditions
Opioid Abuse (Disorder), Opioid Analgesia, Opioid Analgesic Adverse Reaction, Opioid Consumption
Interventions
Naproxen, Acetaminophen, oxycodone, Gabapentin
Drug
Lead sponsor
AdventHealth
Other
Eligibility
18 Years and older
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Sep 30, 2026, 9:09 PM EDT
Completed Phase 4 Interventional Results available

ICE-T Pain Regimen for Total Laparoscopic Hysterectomy

NCT03987022
View directory record Official record
Conditions
Opioid Substitution Treatment
Interventions
Ketorolac, Opioids, Ice Packs, Tylenol, Motrin, Dilaudid Injectable Product, Percocet 5Mg-325Mg Tablet
Drug · Other
Lead sponsor
MetroHealth Medical Center
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 24, 2025 · Synced Sep 30, 2026, 9:09 PM EDT
Recruiting Phase 2 Interventional

Iberdomide, Daratumumab, Carfilzomib, and Dexamethasone (Iber-KDd) in Patients With Relapsed/Refractory Multiple Myeloma

NCT05896228
View directory record Official record
Conditions
Refractory Multiple Myeloma, Relapsed Multiple Myeloma
Interventions
Iberdomide, Carfilzomib, Daratumumab, Dexamethasone, Acetaminophen, Diphenhydramine, Montelukast
Drug
Lead sponsor
Benjamin T Diamond, MD
Other
Eligibility
18 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2031
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Sep 30, 2026, 9:09 PM EDT
Withdrawn Phase 3 Interventional Accepts healthy volunteers

A Multiple-Dose Safety Study of Fixed Combination of Acetaminophen/Naproxen Sodium in Adolescents With Orthodontic Pain

NCT05845008
View directory record Official record
Conditions
Orthodontic Pain
Interventions
Acetaminophen/Naproxen Sodium Fixed Combination
Drug
Lead sponsor
Johnson & Johnson Consumer Inc. (J&JCI)
Industry
Eligibility
12 Years to 16 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 5, 2024 · Synced Sep 30, 2026, 9:09 PM EDT
Not yet recruiting Phase 3 Interventional

A Study of Combogesic® 325 in Adolescent Patients With Moderate to Severe Postoperative Pain Associated With Orthopedic Surgery

NCT07225140
View directory record Official record
Conditions
Post Operative Pain, Acute
Interventions
Combogesic® tablets, Acetaminophen 500mg, Placebo
Drug
Lead sponsor
AFT Pharmaceuticals, Ltd.
Industry
Eligibility
12 Years to 17 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Sep 30, 2026, 9:09 PM EDT