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Showing 1–24 of 125 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Acetaminophen/Codeine Clear all
Terminated Phase 4 Interventional Accepts healthy volunteers

Post-tonsillectomy Pain Control in Adults

NCT02358850
View directory record Official record
Conditions
Pain, Postoperative, Postoperative Nausea and Vomiting, Postoperative Hemorrhage, Body Weight Changes
Interventions
Norco (Hydrocodone and Acetaminophen), Percocet (Oxycodone and Acetaminophen), Dilaudid (hydromorphone), Tylenol (Acetaminophen)
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Jul 12, 2023 · Synced Sep 3, 2026, 2:37 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

A Comparison of Plasma Concentrations of Hydrocodone and Acetaminophen After Administration of a New and a Marketed Tablet Formulation Under Fasted and Fed Conditions in Healthy Adults

NCT03137017
View directory record Official record
Conditions
Opioid-Related Disorders, Pain, Acute, Pain, Postoperative
Interventions
Norco 5Mg-325Mg Tablet, GRT7014 - Abuse Deterrent Tablet
Drug
Lead sponsor
Grünenthal GmbH
Industry
Eligibility
18 Years to 55 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 20, 2017 · Synced Sep 3, 2026, 2:37 PM EDT
Withdrawn Phase 4 Interventional

The Effect of NSAIDs After a Rotator Cuff Repair Surgery.

NCT02153177
View directory record Official record
Conditions
Rotator Cuff Tear
Interventions
Rotator cuff repair, Ibuprofen, Hydrocodone/Acetaminophen, Omeprazole, Hydrocodone/Acetaminophen
Procedure · Drug
Lead sponsor
University of Chicago
Other
Eligibility
45 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 22, 2023 · Synced Sep 3, 2026, 2:37 PM EDT
Completed Phase 4 Interventional Results available

Gabapentin for Pain Control After Osmotic Dilator Insertion and Prior to D&E Procedure: a Randomized Controlled Trial

NCT03080493
View directory record Official record
Conditions
Abortion, Induced, Cervical Preparation, Pain
Interventions
Gabapentin 600mg, Placebo oral capsule, acetaminophen/codeine and ibuprofen
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older · Female only
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Apr 13, 2020 · Synced Sep 3, 2026, 2:37 PM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Post Operative Pain Management Through Adductor Canal Block With Bupivacaine for ACL Reconstruction

NCT05161221
View directory record Official record
Conditions
Pain, Postoperative, ACL
Interventions
OxyCODONE 5 mg Oral Tablet, Naproxen 500 Mg, Tylenol Pill, Liposomal bupivacaine, Femoral Nerve Catheter
Drug · Procedure
Lead sponsor
Rothman Institute Orthopaedics
Other
Eligibility
18 Years and older
Enrollment
154 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 16, 2021 · Synced Sep 3, 2026, 2:37 PM EDT
Not listed Phase 3 Interventional

Assessment of Postop Hypospadias Pain

NCT04423107
View directory record Official record
Conditions
Hypospadias
Interventions
Acetaminophen, Ibuprofen, Acetaminophen, Ibuprofen, Oxycodone
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
6 Months to 23 Months · Male only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jul 30, 2020 · Synced Sep 3, 2026, 2:37 PM EDT
Recruiting Phase 4 Interventional

Pain Control With Ketorolac and Nerve Block After Wrist and Hand Surgery

NCT07773155
View directory record Official record
Conditions
Surgery, Upper Extremity
Interventions
Toradol, Oxycodone
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 3, 2026, 2:37 PM EDT
Completed Phase 4 Interventional Results available

A Comparison of Postoperative Tramadol Versus Acetaminophen With Codeine in Children Undergoing Tonsillectomy

NCT01267136
View directory record Official record
Conditions
Tonsillitis, Pain
Interventions
Codeine with acetaminophen, Tramadol suspension
Drug
Lead sponsor
Children's Hospitals and Clinics of Minnesota
Other
Eligibility
4 Years to 15 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 16, 2014 · Synced Sep 3, 2026, 2:37 PM EDT
Completed Phase 4 Interventional Results available

MAST Trial: Multi-modal Analgesic Strategies in Trauma

NCT03472469
View directory record Official record
Conditions
Nonspecific Pain Post Traumatic Injury
Interventions
Acetaminophen IV/PO, Acetaminophen PO, Ketorolac, Celebrex, Naproxen, Tramadol, Pregabalin, Gabapentin, Lidocaine, Opioids, Regional anesthesia
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
16 Years and older
Enrollment
1,561 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 17, 2021 · Synced Sep 3, 2026, 2:37 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 3, 2026, 2:37 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 3, 2026, 2:37 PM 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 3, 2026, 2:37 PM EDT
Recruiting Phase 4 Interventional

Efficacy of Methylprednisolone for Pain Control After ACL Repair

NCT07158476
View directory record Official record
Conditions
ACL Surgery, Pain Management
Interventions
Meloxicam 15 mg, Medrol 4 MG Oral Tablet Includes Medrol Dosepak, Gabapentin 300 mg, Hydrocodone 5Mg/Acetaminophen 325Mg Tab, Ketorolac 10 Mg Oral Tablet
Drug
Lead sponsor
St. Louis University
Other
Eligibility
13 Years to 50 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 23, 2025 · Synced Sep 3, 2026, 2:37 PM EDT
Completed Phase 4 Interventional Results available

A Multimodal Analgesia Protocol Adapted for Ambulatory Surgery

NCT04015908
View directory record Official record
Conditions
Opioid Use
Interventions
Celecoxib, Acetaminophen, Pregabalin, Oxycodone, Percocet
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 7, 2024 · Synced Sep 3, 2026, 2:37 PM EDT
Completed Phase 3 Interventional

Herniorrhaphy for Postoperative Pain

NCT05813847
View directory record Official record
Conditions
Hernia, Inguinal, Post Operative Pain
Interventions
local anaesthetic injection of CPL-01, Morphine (rescue medication), Acetaminophen (rescue medication), Oxycodone (rescue medication), local anaesthetic injection of placebo, local anaesthetic injection of ropivacaine HCl, Open inguinal hernia repair
Drug · Procedure
Lead sponsor
Cali Pharmaceuticals LLC
Industry
Eligibility
18 Years to 75 Years
Enrollment
518 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Sep 3, 2026, 2:37 PM EDT
Completed Phase 3 Interventional

Long Term Safety and Tolerability Study in Approximately 350 Subjects With Moderate to Severe Chronic, Non-malignant Pain

NCT00195728
View directory record Official record
Conditions
Moderate to Severe Chronic, Non-malignant Pain
Interventions
Hydrocodone/Acetaminophen on Extended Release
Drug
Lead sponsor
Abbott
Industry
Eligibility
21 Years to 75 Years
Enrollment
431 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
76
States / cities
Huntsville, Alabama • Chandler, Arizona • Mesa, Arizona + 60 more
Source: ClinicalTrials.gov public record
Updated Jan 18, 2011 · Synced Sep 3, 2026, 2:37 PM EDT
Terminated Phase 2 Interventional

Percocet vs. Bupivicaine for Toothaches in the ED

NCT02862691
View directory record Official record
Conditions
Toothache
Interventions
Acetaminophen/Oxycodone (Oral analgesic), Bupivicaine (Injectable local anesthetic)
Drug
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Apr 24, 2018 · Synced Sep 3, 2026, 2:37 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Ambulatory Gynecologic Surgery: Finding the Optimal Opioid Prescription

NCT03588910
View directory record Official record
Conditions
Surgery
Interventions
Acetaminophen, Ibuprofen 600 mg, Oxycodone
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Aug 12, 2021 · Synced Sep 3, 2026, 2:37 PM EDT
Completed Phase 2 Interventional Results available

Acute Pain Study Following Bunionectomy

NCT01333722
View directory record Official record
Conditions
Pain
Interventions
Hydrocodone/Acetaminophen Extended Release, Placebo
Drug
Lead sponsor
AbbVie (prior sponsor, Abbott)
Industry
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
3
States / cities
Pasadena, California • Austin, Texas • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 7, 2014 · Synced Sep 3, 2026, 2:37 PM EDT
Completed Not applicable Interventional Results available

The Post-Operative Pain Management of Pediatric Supracondylar Elbow Fractures

NCT01328782
View directory record Official record
Conditions
Elbow Fracture
Interventions
Oxycodone with Acetaminophen, Bupivacaine 0.25%, Ropivacaine 0.20%
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
4 Years to 12 Years
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 22, 2015 · Synced Sep 3, 2026, 2:37 PM EDT
Completed Phase 4 Interventional

Minimizing Narcotic Analgesics After Endocrine Surgery

NCT03469310
View directory record Official record
Conditions
Thyroid Cancer, Thyroid Nodule, Thyroid Neoplasms, Thyroid Goitre, Thyroid Diseases, Parathyroid Diseases, Parathyroid Adenoma, Parathyroid Hyperplasia
Interventions
Acetaminophen 500Mg Cap, Tylenol #3 Oral Tablet, Tramadol
Drug
Lead sponsor
Minerva A Romero Arenas
Other
Eligibility
18 Years and older
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Edinburg, Texas
Source: ClinicalTrials.gov public record
Updated May 10, 2021 · Synced Sep 3, 2026, 2:37 PM 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 3, 2026, 2:37 PM EDT
Completed Phase 3 Interventional Results available

Transversus Abdominis Plane Block in Microsurgical Breast Recon w/Abdominal Free Flap in Breast CA

NCT02601027
View directory record Official record
Conditions
Breast - Female
Interventions
Transversus Abdominis Plane (TAP) block, Nimbus Infusion Pump IV Administration, Bupivacaine infusion, Acetominophen, Hydromorphone, Oxycodone, Ondansetron
Procedure · Device · Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Sep 22, 2021 · Synced Sep 3, 2026, 2:37 PM EDT
Not listed Phase 4 Interventional

Multimodal Narcotic Limited Perioperative Pain Control With Colorectal Surgery

NCT02958566
View directory record Official record
Conditions
Colon Cancer, Colon Diverticulosis, Colonic Neoplasms, Colonic Diverticulitis, Pain, Postoperative, Ileus, Ileus Paralytic, Ileus; Mechanical, Constipation Drug Induced, Constipation, Rectum Cancer, Rectum Neoplasm
Interventions
Acetaminophen, Gabapentin, Orphenadrine, Lidocaine, Marcaine, Ketamine, Methadone, Tramadol, Ketorolac, Morphine Sulfate, Fentanyl, Dilaudid, Hydrocodone-Acetaminophen Tab 5-325 MG, HYDROCODONE/ACETAMINOPHEN 5 Mg-325 Mg ORAL TABLET
Drug
Lead sponsor
University of Illinois College of Medicine at Peoria
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Peoria, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 19, 2017 · Synced Sep 3, 2026, 2:37 PM EDT