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Showing 1–24 of 46 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Acetaminophen 1000mg IV Clear all
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 4, 2025 · Synced Sep 14, 2026, 5:06 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

IV Acetaminophen for Postoperative Pain Analgesia After Laparoscopic Hysterectomy

NCT02400580
View directory record Official record
Conditions
Pain
Interventions
IV acetaminophen, placebo
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 75 Years · Female only
Enrollment
183 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 12, 2018 · Synced Sep 14, 2026, 5:06 PM 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Withdrawn Phase 4 Interventional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 14, 2026, 5:06 PM EDT
Terminated Phase 4 Interventional Results available

Clinical, Pharmacological and Molecular Effects of IV and Oral Acetaminophen in Adults With aSAH

NCT02549716
View directory record Official record
Conditions
Subarachnoid Hemorrhage, Stroke
Interventions
IV acetaminophen, Oral acetaminophen, Oral placebo, IV placebo
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 9, 2019 · Synced Sep 14, 2026, 5:06 PM EDT
Completed Phase 4 Interventional Results available

PO vs. IV Acetaminophen Given Perioperatively for 24 hr Post-op Pain Control Following Total Hip or Knee Replacement

NCT02244619
View directory record Official record
Conditions
Post-op Pain
Interventions
Oral acetaminophen, IV acetaminophen
Drug
Lead sponsor
Kettering Health Network
Other
Eligibility
18 Years and older
Enrollment
515 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Kettering, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 23, 2017 · Synced Sep 14, 2026, 5:06 PM EDT
Recruiting Phase 3 Interventional

The SCOPE Trial: Sleep, Cognition, and Pain Bundle vs. ERAS-cardiac for Postoperative Delirium

NCT06721819
View directory record Official record
Conditions
Delirium, Postoperative, Delirium in Old Age
Interventions
Sleep Hygiene, Brain Game, and IV Acetaminophen Intervention, Control
Combination Product · Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
60 Years and older
Enrollment
406 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
3
States / cities
Boston, Massachusetts • New York, New York • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 14, 2026, 5:06 PM EDT
Completed Not applicable Interventional

Factors Affecting the Speed of Recovery After ACL Reconstruction

NCT03770806
View directory record Official record
Conditions
Anterior Cruciate Ligament Injury, ACL Injury, ACL - Anterior Cruciate Ligament Rupture
Interventions
Femoral Nerve Block, Adductor Nerve Block, No Block
Procedure · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 75 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 9, 2018 · Synced Sep 14, 2026, 5:06 PM 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 14, 2026, 5:06 PM 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 Jul 31, 2023 · Synced Sep 14, 2026, 5:06 PM EDT
Terminated Phase 4 Interventional Results available

Steroids in Total Knee Arthroplasty

NCT02219581
View directory record Official record
Conditions
Postoperative Pain, Inflammation, Osteoarthritis
Interventions
Dexamethasone 10 mg, Dexamethasone 20 mg, Standard multimodal pain management regimen, Placebo
Drug
Lead sponsor
Thomas L Bradbury
Other
Eligibility
18 Years to 100 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Tucker, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 3, 2022 · Synced Sep 14, 2026, 5:06 PM EDT
Completed Phase 4 Interventional Results available

Effect of IV Acetaminophen on Patients in the Neurocritical Care Unit

NCT01948505
View directory record Official record
Conditions
Post-operative Craniotomy Patients, Carotid Endarterectomy and Carotid Artery Stenosis Patients, Post-op Spine Patients Admitted to the NCCU, Endovascular Patients Undergoing Intracranial Intervention, Traumatic Brain Injuries NPO for at Least 12 Hours
Interventions
Intravenous acetaminophen, Placebo for IV acetaminophen
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 90 Years
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 23, 2023 · Synced Sep 14, 2026, 5:06 PM 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 14, 2026, 5:06 PM 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 14, 2026, 5:06 PM 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 14, 2026, 5:06 PM EDT
Completed Phase 4 Interventional

Multimodal Analgesia Effect on Post Surgical Patient

NCT04240626
View directory record Official record
Conditions
Obesity, Morbid, Surgery, Bariatric Surgery Candidate
Interventions
Neurontin, Dilaudid Injectable Product, Marcaine Injectable Product, Oxycodone Hydrochloride, Hycet 7.5Mg-325Mg/15Ml Solution, Zofran Injection, Scopolamine patch, Ativan, Flexeril Oral Product, Tylenol Suspension
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
35 Years to 65 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Sep 13, 2026 · Synced Sep 14, 2026, 5:06 PM EDT
Completed Phase 4 Interventional Results available

Preoperative IV Versus Oral Acetaminophen

NCT03468920
View directory record Official record
Conditions
Pain, Postoperative
Interventions
IV Acetaminophen, PO Acetaminophen, PO Placebo, IV Solution Placebo
Drug
Lead sponsor
TriHealth Inc.
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated May 13, 2019 · Synced Sep 14, 2026, 5:06 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Use of IV Acetaminophen in the Treatment of Post Operative Pain in Patients Undergoing Craniotomy and Spine Surgery

NCT03261310
View directory record Official record
Conditions
Postoperative Pain
Interventions
Acetaminophen or Placebo
Drug
Lead sponsor
Brooke Army Medical Center
Federal
Eligibility
18 Years to 90 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 24, 2017 · Synced Sep 14, 2026, 5:06 PM EDT
Completed Phase 4 Interventional Results available

Efficacy of Oral vs. Intravenous Acetaminophen

NCT02643394
View directory record Official record
Conditions
Postoperative Pain
Interventions
Oral Acetaminophen, Intravenous acetaminophen
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Apr 20, 2020 · Synced Sep 14, 2026, 5:06 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Randomized Controlled Trial of Oral Acetaminophen for Analgesic Control After Transvaginal Oocyte Retrieval

NCT02418182
View directory record Official record
Conditions
Pain
Interventions
Acetaminophen, placebo
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
21 Years to 45 Years · Female only
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Feb 17, 2020 · Synced Sep 14, 2026, 5:06 PM EDT
Completed Phase 4 Interventional Results available

IV vs. Oral Acetaminophen as a Component of Multimodal Analgesia After Total Hip Arthroplasty

NCT03020966
View directory record Official record
Conditions
Pain, Postoperative, Opioid Use
Interventions
Acetaminophen
Drug
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
18 Years to 90 Years
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 9, 2021 · Synced Sep 14, 2026, 5:06 PM 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 14, 2026, 5:06 PM EDT
Completed Phase 4 Interventional Results available

RCT (Randomized Controlled Trial) of IV Acetaminophen for Post Operative Vaginal Reconstruction Pain

NCT02043704
View directory record Official record
Conditions
Post Operative Pain
Interventions
IV Acetaminophen
Drug
Lead sponsor
TriHealth Inc.
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 15, 2018 · Synced Sep 14, 2026, 5:06 PM 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 14, 2026, 5:06 PM EDT
Completed Not applicable Interventional Results available

Post-op Acetaminophen vs NSAID Use on Lumbar Spinal Fusion Outcomes

NCT02700451
View directory record Official record
Conditions
Lumbar Osteoarthritis, Spondylosis, Lumbar Disc Disease, Spinal Stenosis
Interventions
Ketorolac, Acetaminophen, Placebo
Drug
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
18 Years to 75 Years
Enrollment
178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 9, 2023 · Synced Sep 14, 2026, 5:06 PM EDT