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Showing 25–46 of 22 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Acetaminophen 1000mg IV Clear all
Not listed Phase 4 Interventional Accepts healthy volunteers

A Comparison of IV Versus PO Acetaminophen Postoperatively for Opioid Consumption After Cesarean Section

NCT04290208
View directory record Official record
Conditions
Postoperative Pain, Cesarean Section, Acetaminophen
Interventions
Acetaminophen, Placebos
Drug
Lead sponsor
Main Line Health
Other
Eligibility
18 Years and older · Female only
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Wynnewood, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 27, 2020 · Synced Sep 28, 2026, 9:52 AM EDT
Withdrawn Phase 4 Interventional

Suboxone User Perioperative Early Referral and Enhanced Recovery After Surgery- Orthopaedic Trauma Surgery Population

NCT04464512
View directory record Official record
Conditions
Addiction Opiate, Chronic Pain, Fractures, Bone, Buprenorphine Dependence
Interventions
Sufentanil
Drug
Lead sponsor
West Virginia University
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Dec 11, 2022 · Synced Sep 28, 2026, 9:52 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Assessing Efficacy of Intravenous Acetaminophen for Perioperative Pain Control for Oocyte Retrieval

NCT03073980
View directory record Official record
Conditions
Infertility, Female, Pain, Postoperative
Interventions
IV Acetaminophen, PO Acetaminophen, Placebo IV Acetaminophen, Placebo PO Acetaminophen
Drug · Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
161 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 25, 2022 · Synced Sep 28, 2026, 9:52 AM EDT
Terminated Phase 4 Interventional Results available

Multi-dose Acetaminophen for Patients Undergoing General Anesthesia

NCT02832687
View directory record Official record
Conditions
Recovery Following Cholecystectomy
Interventions
Acetaminophen, normal saline
Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
3
States / cities
Newark, New Jersey • Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Sep 28, 2026, 9:52 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 28, 2026, 9:52 AM EDT
Completed No phase listed Observational

Serratus Anterior Plane Block for Improving Pain and Respiratory Function in Patients With Multiple Rib Fractures

NCT04311827
View directory record Official record
Conditions
Rib Fracture Multiple
Interventions
Serratus Anterior Plane Block
Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Aug 24, 2022 · Synced Sep 28, 2026, 9:52 AM EDT
Recruiting Phase 2 Interventional

NSAID Use After Robotic Partial Nephrectomy

NCT05842044
View directory record Official record
Conditions
Kidney Cancer, Renal Cancer, Renal Neoplasm
Interventions
Ketorolac, Acetaminophen, Oxycodone, Hydromorphone, Ibuprofen
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 99 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Sep 28, 2026, 9:52 AM EDT
Completed Phase 2 Interventional Results available

Rituximab and Belimumab for Lupus Nephritis

NCT02260934
View directory record Official record
Conditions
Lupus Nephritis
Interventions
Rituximab, Cyclophosphamide, Prednisone, Methylprednisolone, Diphenhydramine, Acetaminophen, Belimumab
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
15
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 10 more
Source: ClinicalTrials.gov public record
Updated Nov 30, 2020 · Synced Sep 28, 2026, 9:52 AM EDT
Completed Phase 1 Interventional Results available

Venetoclax With Obinutuzumab and Magrolimab (VENOM) in Relapsed and Refractory Indolent B-cell Malignancies

NCT04599634
View directory record Official record
Conditions
Follicular Lymphoma, Marginal Zone Lymphoma, Mantle Cell Lymphoma, Chronic Lymphocytic Lymphoma, B-Cell Lymphoma
Interventions
Obinutuzumab, Venetoclax, Magrolimab, Acetaminophen, Diphenhydramine, Prednisone/prednisolone, Methylprednisolone, CT Scan chest/abdomen/pelvis, MRI, 18-FDG-PET, Bone Marrow Biopsy, Bone Marrow Aspiration
Drug · Diagnostic Test · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 3, 2025 · Synced Sep 28, 2026, 9:52 AM EDT
Completed Phase 2 Interventional Results available

Acetaminophen Versus IV Hydromorphone for Pain in the Elderly in the ED

NCT03521102
View directory record Official record
Conditions
Acute Pain
Interventions
Acetaminophen 1000mg IV, Hydromorphone 0.5 mg IV
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
65 Years and older
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Mar 1, 2023 · Synced Sep 28, 2026, 9:52 AM EDT
Completed Phase 3 Interventional

Opioid-free Anesthesia for Open Cardiac Surgery: A Prospective Randomized Controlled Trial

NCT04197570
View directory record Official record
Conditions
Opioid Use, Heart; Surgery, Heart, Functional Disturbance as Result, Anesthesia
Interventions
Opioid Anesthetics, Non Opioid Analgesics
Drug
Lead sponsor
Benaroya Research Institute
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 27, 2020 · Synced Sep 28, 2026, 9:52 AM EDT
No Longer Available No phase listed Expanded access

Expanded Access Single Named Patient Program With Elotuzumab (BMS-901608) for the Treatment of Patient R-A With Relapsed/Refractory Multiple Myeloma

NCT02541643
View directory record Official record
Conditions
Multiple Myeloma
Interventions
Elotuzumab
Drug
Lead sponsor
Sundar Jagannath
Other
Eligibility
18 Years and older
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 3, 2015 · Synced Sep 28, 2026, 9:52 AM EDT
Enrolling by invitation Phase 4 Interventional

Pain Management Study

NCT05231460
View directory record Official record
Conditions
Pain, Postoperative
Interventions
Active Comparator: narcotic regimen with TAP block, Active Comparator: narcotic regimen with no TAP block, non-narcotic regimen with TAP block, non-narcotic regimen with no TAP block
Drug
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
244 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 23, 2025 · Synced Sep 28, 2026, 9:52 AM EDT
Completed Phase 4 Interventional Results available

Analgesia Regimens Following Trans-sphenoidal Surgery for Pituitary Tumors

NCT02351700
View directory record Official record
Conditions
Pituitary Tumor, Pain
Interventions
IV Caldolor, IV Placebo
Drug
Lead sponsor
St. Joseph's Hospital and Medical Center, Phoenix
Other
Eligibility
18 Years to 79 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 20, 2021 · Synced Sep 28, 2026, 9:52 AM EDT
Completed Not applicable Interventional Results available

Intraoperative and Post-operative Analgesic Effect of IV Acetaminophen for Sinus Surgery

NCT01608308
View directory record Official record
Conditions
Chronic Sinusitis
Interventions
IV Acetaminophen, Placebo
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 68 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 15, 2015 · Synced Sep 28, 2026, 9:52 AM EDT
Completed Phase 4 Interventional Results available

Analgesia After Total Knee Arthroplasty: Peri-Articular Injection Versus Epidural + Femoral Nerve Blockade

NCT01335542
View directory record Official record
Conditions
Readiness to Discharge
Interventions
Peri-Articular Injection, Epidural Pathway (PCEA+FNB)
Procedure
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
18 Years to 85 Years
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 13, 2022 · Synced Sep 28, 2026, 9:52 AM EDT
Completed Phase 4 Interventional Results available

Prospective, Double Blind, Placebo Control, Bariatric IV Ace

NCT02452320
View directory record Official record
Conditions
Obesity
Interventions
intravenous acetaminophen, Placebo
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 19, 2018 · Synced Sep 28, 2026, 9:52 AM EDT
Completed Phase 4 Interventional Results available

IV Acetaminophen for Postoperative Pain After Pelvic Organ Prolapse Repair

NCT02155738
View directory record Official record
Conditions
Pelvic Organ Prolapse
Interventions
IV Acetaminophen, IV normal saline
Drug
Lead sponsor
Halina M Zyczynski, MD
Other
Eligibility
18 Years and older · Female only
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 18, 2018 · Synced Sep 28, 2026, 9:52 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Prospective Randomized Controlled Trial of an Enhanced Recovery Protocol for Anorectal Surgery

NCT03738904
View directory record Official record
Conditions
Anorectal Disorder
Interventions
ERAS, Standard of care
Combination Product
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
111 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 17, 2023 · Synced Sep 28, 2026, 9:52 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Determine the Clinical Advantage of IV vs PO Acetaminophen

NCT03558555
View directory record Official record
Conditions
Inguinal Hernia
Interventions
Acetaminophen IV Soln, Oral Acetaminophen, Placebo Pills, Saline
Drug
Lead sponsor
Yan Lai
Other
Eligibility
18 Years to 75 Years
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 9, 2020 · Synced Sep 28, 2026, 9:52 AM EDT
Completed Phase 2 Interventional Results available

Study of CA-008 (Vocacapsaicin) in Bunionectomy Patients

NCT03599089
View directory record Official record
Conditions
Post-surgical Pain
Interventions
CA-008, Placebo, Ketorolac, Acetaminophen, Oxycodone, Bupivacaine Hydrochloride
Drug
Lead sponsor
Concentric Analgesics
Industry
Eligibility
18 Years to 75 Years
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
3
States / cities
Pasadena, California • Pasadena, Maryland • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 10, 2021 · Synced Sep 28, 2026, 9:52 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 28, 2026, 9:52 AM EDT