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ClinicalTrials.gov public records Last synced Oct 23, 2026, 12:06 AM EDT

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Showing 313–336 of 979 matching trials from the live ClinicalTrials.gov search.
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Enrolling by invitation Phase 4 Interventional

A Study of Intravenous Acetaminophen for Small Bowel Obstruction

NCT05878015
View directory record Official record
Conditions
Small Bowel Obstruction
Interventions
Acetaminophen
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Oct 23, 2026, 12:06 AM EDT
Completed Phase 4 Interventional Results available

Preoperative Gabapentin vs Placebo for Vaginal Prolapse Surgery

NCT05658887
View directory record Official record
Conditions
Pelvic Organ Prolapse, Perioperative/Postoperative Complications
Interventions
Gabapentin, Gabapentin Placebo
Drug
Lead sponsor
Joseph Kowalski
Other
Eligibility
18 Years and older · Female only
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Aug 12, 2025 · Synced Oct 23, 2026, 12:06 AM EDT
Not listed Phase 3 Interventional

Randomized Trial of Intraoperative IV Versus Preoperative Oral Acetaminophen During Ambulatory Lumbar Discectomy

NCT04574778
View directory record Official record
Conditions
Pain, Postoperative, Spine Surgery
Interventions
Acetaminophen
Drug
Lead sponsor
Rothman Institute Orthopaedics
Other
Eligibility
18 Years and older
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 12, 2024 · Synced Oct 23, 2026, 12:06 AM EDT
Completed Phase 2 Interventional Results available

Study of Long-Acting Acetaminophen in Postoperative Dental Pain

NCT01960114
View directory record Official record
Conditions
Dental Pain
Interventions
Acetaminophen ER, Placebo
Drug
Lead sponsor
McNeil Consumer Healthcare Division of McNEIL-PPC, Inc.
Industry
Eligibility
17 Years to 45 Years
Enrollment
403 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 10, 2015 · Synced Oct 23, 2026, 12:06 AM EDT
Recruiting Not applicable Interventional

Office-Based Ureteroscopy Utilizing a Single Use Digital, Flexible Ureteroscope for Upper Tract Urothelial Carcinoma

NCT07630155
View directory record Official record
Conditions
Renal Pelvis and Ureter Urothelial Carcinoma
Interventions
Analgesic Agent, Electronic Health Record Review, Lidocaine Topical, Medical Device Usage and Evaluation, Survey Administration, Ureteroscopy
Drug · Other · Device + 1 more
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 15, 2026 · Synced Oct 23, 2026, 12:06 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Ketorolac as an Adjuvant Agent for Postoperative Pain Control Following Arthroscopic Meniscus Surgery

NCT04246541
View directory record Official record
Conditions
Meniscus Tear, Tibial, Pain, Postoperative, Postoperative Complications, Ketorolac Adverse Reaction, Opioid Use
Interventions
Ketorolac, Oxycodone-Acetaminophen
Drug
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 89 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 3, 2022 · Synced Oct 23, 2026, 12:06 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 31, 2026 · Synced Oct 23, 2026, 12:06 AM EDT
Recruiting Phase 1 Interventional

A Study of Tirzepatide (LY3298176) in Participants With Type 1 Diabetes Mellitus and Overweight or Obesity

NCT07803744
View directory record Official record
Conditions
Diabetes Mellitus, Type 1, Overweight, Obesity
Interventions
Tirzepatide, Acetaminophen, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 70 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 23, 2026, 12:06 AM EDT
Completed Phase 3 Interventional

The Safety and Efficacy of the Buprenorphine Transdermal Delivery System in Subjects With Chronic Back Pain.

NCT00315887
View directory record Official record
Conditions
Chronic Low Back Pain
Interventions
Buprenorphine transdermal delivery system
Drug
Lead sponsor
Purdue Pharma LP
Industry
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999
U.S. locations
22
States / cities
Huntsville, Alabama • Phoenix, Arizona • Waterbury, Connecticut + 19 more
Source: ClinicalTrials.gov public record
Updated May 3, 2006 · Synced Oct 23, 2026, 12:06 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 21, 2020 · Synced Oct 23, 2026, 12:06 AM EDT
Recruiting Phase 4 Interventional

Supracondylar Post-Operative Pain Study

NCT03759028
View directory record Official record
Conditions
Supracondylar Humerus Fracture
Interventions
Ibuprofen, Oxycodone, Acetaminophen
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
4 Years to 12 Years
Enrollment
90 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 Apr 7, 2026 · Synced Oct 23, 2026, 12:06 AM EDT
Recruiting No phase listed Observational

Opportunistic PK/PD Trial in Critically Ill Children (OPTIC)

NCT05055830
View directory record Official record
Conditions
Cardiac Disease, Critically Ill, Children, Adult
Interventions
The OPTIC study is collecting PK data on children prescribed understudied drugs of interest per standard of care.
Drug
Lead sponsor
Duke University
Other
Eligibility
0 Months to 20 Years
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 23, 2026, 12:06 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Hip Arthroscopy Postoperative Opioid Demands

NCT04094701
View directory record Official record
Conditions
Opioid Use, Pain, Femoral Acetabular Impingement, Labral Tear, Glenoid
Interventions
Control Group Regimen, Opioid reduced regimen
Other
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Oct 23, 2026, 12:06 AM EDT
Withdrawn Phase 1 Interventional

Postoperative Ibuprofen Use and Risk of Bleeding in Pediatric Tonsillectomy

NCT03385057
View directory record Official record
Conditions
Tonsillectomy With or Without Adenoidectomy
Interventions
Ibuprofen, Acetaminophen
Drug
Lead sponsor
Massachusetts Eye and Ear Infirmary
Other
Eligibility
2 Years to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
5
States / cities
San Diego, California • Atlanta, Georgia • Cleveland, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 20, 2018 · Synced Oct 23, 2026, 12:06 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 Aug 1, 2023 · Synced Oct 23, 2026, 12:06 AM EDT
Completed Not applicable Interventional

Evaluation of the Dexcom G6 Continuous Glucose Monitoring System With a Non-Interferent Sensor

NCT03087877
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Acetaminophen Challenge (G6 CGM)
Device
Lead sponsor
DexCom, Inc.
Industry
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
4
States / cities
Escondido, California • Santa Barbara, California • Walnut Creek, California + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 31, 2018 · Synced Oct 23, 2026, 12:06 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 Apr 1, 2021 · Synced Oct 23, 2026, 12:06 AM EDT
Recruiting Not applicable Interventional

Prescription Antipyretics to Decrease Unscheduled Return Visits In A Pediatric Emergency Department

NCT07074912
View directory record Official record
Conditions
Fever
Interventions
Prescription for weight-based dosing of antipyretic, Standard discharge instructions
Other
Lead sponsor
University of Texas at Austin
Other
Eligibility
6 Months to 36 Months
Enrollment
440 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jul 20, 2025 · Synced Oct 23, 2026, 12:06 AM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Effect of Ropivacaine During Popliteal Nerve Block in Foot and Ankle Surgery

NCT04872322
View directory record Official record
Conditions
Popliteal Nerve Block, Foot Surgery, Ankle Surgery
Interventions
Ropivacaine 0.5% Injectable Solution, Ropivacaine 0.25% Injectable Solution, Percocet Pill, Norco Pill, Foot/Ankle Surgery
Drug · Procedure
Lead sponsor
Rothman Institute Orthopaedics
Other
Eligibility
18 Years and older
Enrollment
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 4, 2021 · Synced Oct 23, 2026, 12:06 AM EDT
Completed Phase 4 Interventional Results available

Post-operative Dental Pain Study Comparing Analgesic Efficacy

NCT01082081
View directory record Official record
Conditions
Post-surgical Dental Pain
Interventions
Paracetamol 1000 mg, Paracetamol 500 mg, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 45 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
2
States / cities
Austin, Texas • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 13, 2015 · Synced Oct 23, 2026, 12:06 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Impact of Probiotics on Drug, Vitamin, and Hormone Metabolism

NCT04281407
View directory record Official record
Conditions
Metabolism
Interventions
Visbiome
Dietary Supplement
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 24, 2020 · Synced Oct 23, 2026, 12:06 AM EDT
Completed No phase listed Observational

Liposomal Bupivacaine and Transoral Robotic Surgery

NCT05862792
View directory record Official record
Conditions
Oropharyngeal Cancer, Dysphagia, Oropharyngeal, Post Operative Pain, Transoral Robotic Surgery
Interventions
Liposomal bupivacaine
Drug
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 9, 2026 · Synced Oct 23, 2026, 12:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Ultrasound-guided Transversus Abdominis Plane Block After Hysterectomy

NCT01153503
View directory record Official record
Conditions
Post Operative Pain
Interventions
TAP block
Procedure
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 1, 2018 · Synced Oct 23, 2026, 12:06 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Ketorolac as an Adjuvant Agent for Postoperative Pain Control Following Arthroscopic ACL Surgery

NCT04246554
View directory record Official record
Conditions
ACL Injury, Postoperative Pain
Interventions
Ketorolac, Oxycodone-Acetaminophen
Drug
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 89 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 21, 2021 · Synced Oct 23, 2026, 12:06 AM EDT