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Showing 1–24 of 943 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 4 Interventional Results available

Effect of Intraoperative Anesthetic Management on Postoperative Nausea and Vomiting in Bariatric Surgery

NCT01449708
View directory record Official record
Conditions
Postoperative Nausea and Vomiting
Interventions
TIVA NoNarc
Drug
Lead sponsor
Coastal Anesthesiology Consultants
Other
Eligibility
18 Years and older
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Saint Augustine, Florida
Source: ClinicalTrials.gov public record
Updated Mar 20, 2016 · Synced Sep 21, 2026, 9:31 AM EDT
Completed Phase 2 Interventional

Study of Acetaminophen (ACE) in Post-operative Dental Pain

NCT02320708
View directory record Official record
Conditions
Dental Pain
Interventions
Acetaminophen (ACE) (1000 mg), Commercial ACE (1000 mg), Commercial Ibuprofen (IBU) (400 mg), Placebo
Drug
Lead sponsor
Johnson & Johnson Healthcare Products Division of McNEIL-PPC, Inc.
Industry
Eligibility
17 Years to 50 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 2, 2021 · Synced Sep 21, 2026, 9:31 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 21, 2026, 9:31 AM EDT
Completed Phase 4 Interventional

The Comparison of Supraperiosteal Nerve Block With Opiate Analgesia in Alleviating the Pain of Toothache

NCT00574015
View directory record Official record
Conditions
Toothache
Interventions
hydrocodone/acetaminophen, bupivacaine (supraperiosteal nerve block)
Drug
Lead sponsor
Albany Medical College
Other
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Albany, New York
Source: ClinicalTrials.gov public record
Updated Mar 23, 2014 · Synced Sep 21, 2026, 9:31 AM EDT
Recruiting Phase 1Phase 2 Interventional

Stem Cell Transplantation in Crohn's Disease

NCT04224558
View directory record Official record
Conditions
Crohn Disease
Interventions
Mesna, Cyclophosphamide, Filgrastim, Apheresis catheter placement, Leukapheresis, Fludarabine, Methylprednisolone, Diphenhydramine, Acetaminophen, anti-thymocyte globulin (rabbit), lymphocyte immune globulin, Peripheral Blood Stem Cell Infusion, Cytoxan
Drug · Procedure · Biological
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
13 Years to 28 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Sep 21, 2026, 9:31 AM EDT
Completed Not applicable Interventional

Pre-Emptive Analgesia in Ano-Rectal Surgery

NCT02402543
View directory record Official record
Conditions
Hemorrhoids, Fissure in Ano, Rectal Fistula, Anal Condyloma
Interventions
Gabapentin, Ketamine, Acetaminophen, Dexamethasone, Placebo
Drug
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
2
States / cities
Burlington, Vermont • Colchester, Vermont
Source: ClinicalTrials.gov public record
Updated Jan 15, 2018 · Synced Sep 21, 2026, 9:31 AM EDT
Withdrawn Phase 3 Interventional

Intravenous Acetaminophen as Adjuvant Therapy for Pain Control in Geriatric Hip Fracture Patients

NCT01520298
View directory record Official record
Conditions
Pain, Hip Fracture
Interventions
Placebo, Acetaminophen IV
Drug
Lead sponsor
Lancaster General Hospital
Other
Eligibility
65 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 29, 2014 · Synced Sep 21, 2026, 9:31 AM EDT
Completed Phase 2 Interventional Results available

Hydrocodone/Acetaminophen for Acute Pain Following Bunionectomy

NCT01038609
View directory record Official record
Conditions
Pain
Interventions
Hydrocodone/Acetaminophen Extended Release, Acetaminophen, Morphine Extended Release, Placebo
Drug
Lead sponsor
AbbVie (prior sponsor, Abbott)
Industry
Eligibility
18 Years to 75 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
4
States / cities
Peoria, Arizona • Austin, Texas • San Marcos, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 7, 2014 · Synced Sep 21, 2026, 9:31 AM EDT
Completed Phase 3 Interventional Results available

Management of Post-Tonsillectomy Pain in Pediatric Patients

NCT04551196
View directory record Official record
Conditions
Pain, Postoperative, Tonsillar Hypertrophy, Tonsillitis
Interventions
Alternating Acetaminophen and Ibuprofen, Combined Acetaminophen and Ibuprofen
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
4 Years to 17 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 10, 2024 · Synced Sep 21, 2026, 9:31 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acute Pediatric Fracture Analgesia Study

NCT00520442
View directory record Official record
Conditions
Fracture
Interventions
ibuprofen, acetamin w codeine
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
4 Years to 18 Years
Enrollment
335 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2007
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 6, 2008 · Synced Sep 21, 2026, 9:31 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Ibuprofen and Acetaminophen Versus Ibuprofen and Acetaminophen Plus Hydrocodone for Analgesia After Cesarean Section

NCT03372382
View directory record Official record
Conditions
Opioid Use, Pain, Postoperative
Interventions
Ibuprofen, Acetaminophen, Norco
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 1, 2019 · Synced Sep 21, 2026, 9:31 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Study of Palifermin (Kepivance) in Persons Undergoing Unrelated Donor Allogeneic Hematopoietic Cell Transplantation

NCT02356159
View directory record Official record
Conditions
Myelodysplastic Syndromes, Hodgkin's Lymphoma, Non-Hodgkin's Lymphoma, Acute Leukemia, Multiple Myeloma
Interventions
Rituximab, Conditioning chemotherapy, TMS, FLAG, EPOCH-F, Hematopoietic stem cell transplant, Palifermin, Acetaminophen, Diphenhydramine, Prednisone, Epinephrine, IV Saline, ECG, ECHO, MUGA, DEXA, CT chest, PET, MRI, BM aspirate, BM biopsy, Lumbar puncture
Biological · Drug · Procedure + 2 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2025
U.S. locations
2
States / cities
Bethesda, Maryland • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 29, 2025 · Synced Sep 21, 2026, 9:31 AM EDT
Completed Not applicable Interventional

Non-opioid Based Pain Control After Thyroidectomy

NCT03988075
View directory record Official record
Conditions
Pain, Thyroidectomy
Interventions
Acetaminophen and hydrocodone based pain control, Acetaminophen and ibuprofen based pain control
Other
Lead sponsor
Medstar Health Research Institute
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated May 11, 2020 · Synced Sep 21, 2026, 9:31 AM EDT
Completed Not applicable Interventional

Effect of Number of Meals on Metabolism After Weight Loss Surgery

NCT02929212
View directory record Official record
Conditions
Morbid Obesity
Interventions
Solid Meal, Liquid Meal, Acetaminophen, Single, 600 kcal meal, Multiple, 200 kcal meals
Other · Drug
Lead sponsor
Columbia University
Other
Eligibility
21 Years to 60 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 31, 2017 · Synced Sep 21, 2026, 9:31 AM EDT
Completed Phase 2 Interventional

Pain Management and Behavioral Outcomes in Patients With Dementia

NCT00012857
View directory record Official record
Conditions
Dementia, Alzheimer Disease, Pain, Behavior, Agitation
Interventions
acetaminophen 650 mg qid and placebo qid PRN. The other arm was placebo qid and acetaminophen 650 mg qid PRN
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
55 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2001
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Apr 6, 2015 · Synced Sep 21, 2026, 9:31 AM EDT
Not listed Not applicable Interventional

Efficacy of IV Acetaminophen in Acute Post-Operative Pain Control in Laparoscopic Roux-en-Y Gastric Bypass Surgery (LRYGBP) Patients

NCT01460667
View directory record Official record
Conditions
Morbid Obesity
Interventions
IV acetaminophen, IV normal saline
Drug
Lead sponsor
McLaren Regional Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
1
States / cities
Flint, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 26, 2011 · Synced Sep 21, 2026, 9:31 AM EDT
Completed Phase 2 Interventional

Preeclampsia And Nonsteroidal Drugs for Analgesia: a Randomized Non Inferiority Trial

NCT03978767
View directory record Official record
Conditions
Preeclampsia Severe, Preeclampsia Postpartum
Interventions
Ibuprofen 600 mg, Ketorolac, Acetaminophen, Oxycodone
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
Female only
Enrollment
287 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Sep 21, 2026, 9:31 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Post-operative Pain Control After Photorefractive Keratectomy Comparing Acetaminophen/Codeine vs Acetaminophen/Oxycodone

NCT04399122
View directory record Official record
Conditions
Post-operative Pain Control
Interventions
acetaminophen/codeine vs acetaminophen/oxycodone
Drug
Lead sponsor
59th Medical Wing
Federal
Eligibility
21 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 4, 2021 · Synced Sep 21, 2026, 9:31 AM EDT
Completed Phase 2 Interventional Results available

A Study Evaluating Efficacy and Safety of VX-548 for Acute Pain After a Bunionectomy

NCT04977336
View directory record Official record
Conditions
Acute Pain
Interventions
VX-548, HB/APAP, Placebo (matched to VX-548), Placebo (matched to HB/APAP)
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 75 Years
Enrollment
274 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
12
States / cities
Sheffield, Alabama • Phoenix, Arizona • Anaheim, California + 9 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2025 · Synced Sep 21, 2026, 9:31 AM EDT
Terminated Phase 4 Interventional

Pain Control After Minimally Invasive Coronary Artery Bypass Grafting

NCT01770236
View directory record Official record
Conditions
Postoperative Pain, Medication Side Effects, Narcotic Requirement
Interventions
IV acetaminophen
Drug
Lead sponsor
Gundersen Lutheran Medical Foundation
Other
Eligibility
18 Years to 90 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
La Crosse, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 20, 2016 · Synced Sep 21, 2026, 9:31 AM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate Efficacy and Safety of VX-150 in Subjects With Acute Pain Following Bunionectomy

NCT03206749
View directory record Official record
Conditions
Acute Pain
Interventions
VX-150, HB/APAP, Placebo
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
18 Years to 65 Years
Enrollment
243 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
4
States / cities
Phoenix, Arizona • Anaheim, California • Pasadena, California + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2021 · Synced Sep 21, 2026, 9:31 AM EDT
Completed Phase 2 Interventional

A Study Comparing the Analgesic Activity of Extended Release Hydrocodone/Acetaminophen (Vicodin® CR) and Placebo in Subjects With Pain Following Bunionectomy Surgery

NCT00404391
View directory record Official record
Conditions
Pain
Interventions
Hydrocodone/Acetaminophen Extended Release, Placebo
Drug
Lead sponsor
Abbott
Industry
Eligibility
18 Years to 65 Years
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
4
States / cities
Owing Mills, Maryland • Austin, Texas • San Marcos, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 18, 2011 · Synced Sep 21, 2026, 9:31 AM EDT
Terminated Phase 3 Interventional

A Randomized, Open Label, Prospective Study to Explore the Clinical Characteristics of Oral MNK155 and Norco 7.5mg/325 When Used for the Treatment of Moderate to Severe Post Operative Pain

NCT02381132
View directory record Official record
Conditions
Post Operative Pain
Interventions
Norco 7.5mg/325, MNK155
Drug
Lead sponsor
Neil Singla
Other
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Pasadena, California
Source: ClinicalTrials.gov public record
Updated Mar 24, 2016 · Synced Sep 21, 2026, 9:31 AM EDT
Withdrawn Phase 2Phase 3 Interventional

MgSO4 vs Metoclopramide for Headache in Pregnant Women

NCT00632606
View directory record Official record
Conditions
Headache
Interventions
magnesium sulfate, metoclopramide
Drug
Lead sponsor
Women and Infants Hospital of Rhode Island
Other
Eligibility
18 Years to 75 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Dec 24, 2012 · Synced Sep 21, 2026, 9:31 AM EDT