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Showing 1–24 of 124 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 1 Interventional

To Define the Role of GLP-1 for Improving Glucose Homeostasis in Humans Following Gastric Bypass Surgery

NCT02204813
View directory record Official record
Conditions
Bypass, Gastric, Roux-en-Y Gastric Bypass, Vertical Sleeve Gastrectomy, Gastric Banding, Bariatric Surgery
Interventions
Placebo, Lo-Xenin, Hi-Xenin, Extra Hi-Xenin
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 26, 2018 · Synced Sep 15, 2026, 10:41 AM EDT
Completed Not applicable Interventional Results available

Effect of Ibuprofen on Postoperative Opiate Medication Use and Shoulder Functional Outcomes

NCT02588027
View directory record Official record
Conditions
Rotator Cuff Tear Arthropathy
Interventions
Ibuprofen, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 5, 2024 · Synced Sep 15, 2026, 10:41 AM EDT
Recruiting Phase 3 Interventional

Optimizing Pain Treatment in Children On Mechanical Ventilation

NCT06994442
View directory record Official record
Conditions
Mechanical Ventilation, Pediatric Acute Respiratory Failure, Analgesics, Opioid, Sedation and Analgesia
Interventions
Acetaminophen, Ketorolac, Placebo
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
2 Months to 17 Years
Enrollment
644 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
16
States / cities
Little Rock, Arkansas • Washington D.C., District of Columbia • Ann Arbor, Michigan + 13 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Sep 15, 2026, 10:41 AM EDT
Completed Phase 2 Interventional Results available

PECS Block vs. Multimodal Analgesia for Prevention of Persistent Postoperative Pain in Breast Surgery

NCT03084536
View directory record Official record
Conditions
Breast Cancer, Breast Cancer Female, Cancer of Breast
Interventions
Bupivacaine, Gabapentin, Celecoxib, Acetaminophen, Midazolam, Fentanyl
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 23, 2024 · Synced Sep 15, 2026, 10:41 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Efficacy of Combined Ibuprofen and Acetaminophen Therapy Versus Ibuprofen Alone Versus Placebo Alone for Pain Management

NCT04059172
View directory record Official record
Conditions
Pain, Orofacial
Interventions
Ibuprofen 200 mg and acetaminphen 650 mg, Ibuprofen 200 mg, Placebo oral tablet
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
12 Years to 80 Years
Enrollment
375 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2028
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Sep 15, 2026, 10:41 AM EDT
Completed Phase 3 Interventional

A Study of Extended-Release Hydrocodone/Acetaminophen (Vicodin CR®) in Subjects With Acute Pain Following Bunionectomy

NCT00402792
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
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
5
States / cities
Austin, Texas • Houston, Texas • San Antonio, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 24, 2011 · Synced Sep 15, 2026, 10:41 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Safety, Tolerability, and Pharmacokinetics of UX053 in Patients With Glycogen Storage Disease Type III (GSD III)

NCT04990388
View directory record Official record
Conditions
Glycogen Storage Disease Type III
Interventions
UX053, Placebo, Antipyretic, H2 Blocker, H1 Blocker
Biological · Other · Drug
Lead sponsor
Ultragenyx Pharmaceutical Inc
Industry
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
4
States / cities
Orange, California • Atlanta, Georgia • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2024 · Synced Sep 15, 2026, 10:41 AM EDT
Completed Phase 3 Interventional Results available

A Multi-Center Study of the Efficacy, Pharmacokinetics (PK) and Pharmacodynamics (PD) of IV Acetaminophen for the Treatment of Acute Pain in Pediatric Patients

NCT01635101
View directory record Official record
Conditions
Acute Pain
Interventions
IV Acetaminophen, IV Control
Drug
Lead sponsor
Mallinckrodt
Industry
Eligibility
1 Day to 2 Years
Enrollment
197 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
22
States / cities
Birmingham, Alabama • Orange, California • San Diego, California + 19 more
Source: ClinicalTrials.gov public record
Updated Jan 20, 2020 · Synced Sep 15, 2026, 10:41 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Reduction in Pain Intensity Following IV or Oral Pain-relieving Products

NCT02678416
View directory record Official record
Conditions
Pain
Interventions
IV Acetaminophen (Treatment A), Oral Acetaminophen (Treatment B), Placebo (Treatment C), Morphine (Treatment D)
Drug · Other
Lead sponsor
Mallinckrodt
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 4, 2020 · Synced Sep 15, 2026, 10:41 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Does IV Magnesium Improve Quality of Recovery With ERAS Protocols in Laparoscopic Colorectal Surgery?

NCT05021263
View directory record Official record
Conditions
Colo-rectal Cancer, Anesthesia
Interventions
IV Medications, placebo
Drug · Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years to 75 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 8, 2024 · Synced Sep 15, 2026, 10:41 AM EDT
Completed Phase 2 Interventional Results available

Naproxen Sodium/Acetaminophen Proof of Concept Dosing Study

NCT03879408
View directory record Official record
Conditions
Pain
Interventions
440 mg naproxen sodium with 1000 mg acetaminophen, 220 mg naproxen sodium with 650 mg acetaminophen, 10 mg hydrocodone + 650 mg acetaminophen, 440 mg naproxen sodium, Placebo tablet
Drug
Lead sponsor
Johnson & Johnson Consumer Inc., McNeil Consumer Healthcare Division
Industry
Eligibility
17 Years to 50 Years
Enrollment
290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 4, 2022 · Synced Sep 15, 2026, 10:41 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 15, 2026, 10:41 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Drug Interactions Between Morphine and Orally or IV Administered Acetaminophen

NCT02848729
View directory record Official record
Conditions
Pain
Interventions
Oral Acetaminophen, IV Acetaminophen, IV Morphine, Placebo Tablets, Saline
Drug
Lead sponsor
Mallinckrodt
Industry
Eligibility
18 Years to 55 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
3
States / cities
Tucson, Arizona • Naples, Florida • Kingston, Rhode Island
Source: ClinicalTrials.gov public record
Updated Feb 4, 2020 · Synced Sep 15, 2026, 10:41 AM EDT
Completed Phase 2 Interventional

Intravenous N-Acetylcysteine for the Treatment of Acute Ischemic Stroke

NCT04918719
View directory record Official record
Conditions
Acute Ischemic Stroke
Interventions
Acetylcysteine, Dextrose in Water
Drug
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Sep 15, 2026, 10:41 AM EDT
Completed Not applicable Interventional Results available

Scrambler Therapy in the Treatment of Chronic Chemotherapy-Induced Peripheral Neuropathy

NCT02111174
View directory record Official record
Conditions
Neuropathy
Interventions
Scrambler Therapy, Sham Therapy
Device
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 16, 2018 · Synced Sep 15, 2026, 10:41 AM EDT
Completed Not applicable Interventional Results available

Pain Control After Cardiac Surgery Using Intravenous Acetaminophen

NCT01822821
View directory record Official record
Conditions
Pain
Interventions
IV Acetaminophen, Placebo
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 14, 2017 · Synced Sep 15, 2026, 10:41 AM EDT
Recruiting Phase 2 Interventional

A Study to Evaluate the Efficacy, Safety, and Pharmacokinetics of Obinutuzumab in Adolescents With Active Class III or IV Lupus Nephritis and the Safety and PK of Obinutuzumab in Pediatric Participants

NCT05039619
View directory record Official record
Conditions
Lupus Nephritis
Interventions
Obinutuzumab, Placebo, Mycophenolate Mofetil, Acetaminophen/paracetamol, Diphenhydramine hydrochloride (HCl), Methylprednisolone, Prednisone
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
5 Years to 17 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2030
U.S. locations
11
States / cities
Loma Linda, California • San Francisco, California • Aurora, Colorado + 8 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 15, 2026, 10:41 AM EDT
Recruiting Phase 3 Interventional

Opioid-Sparing Joint Replacement

NCT07348627
View directory record Official record
Conditions
Pain Management, Opioid Consumption
Interventions
Placebo, Oxycodone 5 mg, Multimodal Non-Opioid Analgesia
Drug · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Sep 15, 2026, 10:41 AM EDT
Completed Phase 2 Interventional Results available

Study in Subjects Undergoing Complete Abdominoplasty

NCT03789318
View directory record Official record
Conditions
Postsurgical Pain
Interventions
CA-008 5 mg, Placebo, Bupivacaine Hydrochloride, Hydromorphone, Fentanyl, Acetaminophen, Oxycodone, CA-008 10 mg, CA-008 15 mg
Drug
Lead sponsor
Concentric Analgesics
Industry
Eligibility
18 Years to 65 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Pasadena, California
Source: ClinicalTrials.gov public record
Updated Mar 18, 2024 · Synced Sep 15, 2026, 10:41 AM EDT
Completed Phase 4 Interventional Results available

Acetaminophen or Fluvastatin Compared to Placebo on the Transient Post-Dose Symptoms (PDS) Following an Intravenous (i.v.) Infusion of a Single Dose of Zoledronic Acid 5mg, in Post-menopausal Women With Low Bone Mass

NCT00489424
View directory record Official record
Conditions
Osteoporosis
Interventions
Placebo, Acetaminophen, Fluvastatin
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
45 Years to 79 Years · Female only
Enrollment
793 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
1
States / cities
Http://www.osteoporosisclinicalresearch.com, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 17, 2011 · Synced Sep 15, 2026, 10:41 AM EDT
Completed Not applicable Interventional Results available

Efficacy of Oral Versus Intravenous Acetaminophen for Primary Pediatric Cleft Palate Repair

NCT01500109
View directory record Official record
Conditions
Cleft Palate
Interventions
Oral acetaminophen, Ofirmev®, Opioid only
Drug
Lead sponsor
Loma Linda University
Other
Eligibility
5 Months to 5 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jun 8, 2021 · Synced Sep 15, 2026, 10:41 AM EDT
Completed Phase 1 Interventional

Towards Predicting the Analgesic Response to Ibuprofen Following Third-molar Extraction

NCT03893175
View directory record Official record
Conditions
Impacted Third Molar Tooth, Pain, Acute
Interventions
Ibuprofen, Acetaminophen, Placebo, Oxycodone
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 64 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 23, 2025 · Synced Sep 15, 2026, 10:41 AM EDT
Completed Phase 4 Interventional Results available

Study of KRYSTEXXA® (Pegloticase) Plus Methotrexate in Participants With Uncontrolled Gout

NCT03994731
View directory record Official record
Conditions
Gout
Interventions
Pegloticase, methotrexate, placebo, folic acid, gout flare prophylaxis regimen, fexofenadine, acetaminophen, methylprednisolone
Biological · Drug · Dietary Supplement
Lead sponsor
Amgen
Industry
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
60
States / cities
Birmingham, Alabama • Anchorage, Alaska • Flagstaff, Arizona + 54 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2024 · Synced Sep 15, 2026, 10:41 AM EDT
Recruiting Phase 1Phase 2 Interventional

Opioid Drug Interaction Study

NCT06757140
View directory record Official record
Conditions
Drug Interactions, Drug Kinetics
Interventions
Alprazolam, Oxycodone, Placebo
Drug
Lead sponsor
Shanna Babalonis, PhD
Other
Eligibility
18 Years to 55 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Sep 15, 2026, 10:41 AM EDT