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Showing 1–16 of 16 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Acetaminophen Toxicity Clear all
Completed No phase listed Observational

Treatment of Acetaminophen Toxicity With N-acetylcysteine

NCT00725179
View directory record Official record
Conditions
Acetaminophen Toxicity
Interventions
Not listed
Lead sponsor
Akron Children's Hospital
Other
Eligibility
Not listed
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Akron, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 8, 2011 · Synced Jul 23, 2026, 1:26 AM EDT
Completed No phase listed Observational

Treatment of APAP Toxicity With IV and Oral NAC 2008-2011

NCT01465542
View directory record Official record
Conditions
Acetaminophen Toxicity
Interventions
Not listed
Lead sponsor
Akron Children's Hospital
Other
Eligibility
1 Month to 21 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Akron, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 24, 2023 · Synced Jul 23, 2026, 1:26 AM EDT
Completed Phase 2Phase 3 Interventional Results available

13C-Methacetin Breath Test for the Prediction of Outcome in in ALI or ALF

NCT02786836
View directory record Official record
Conditions
Acute Liver Failure
Interventions
13C-Methacetin
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
11
States / cities
Birmingham, Alabama • San Francisco, California • New Haven, Connecticut + 8 more
Source: ClinicalTrials.gov public record
Updated Dec 21, 2020 · Synced Jul 23, 2026, 1:26 AM EDT
Completed Phase 2 Interventional Results available

Safety Study of Ornithine Phenylacetate to Treat Patients With Acute Liver Failure/Severe Acute Liver Injury

NCT01548690
View directory record Official record
Conditions
Acute Liver Failure, Acute Liver Injury
Interventions
Ornithine Phenylacetate
Drug
Lead sponsor
William Lee
Other
Eligibility
18 Years to 65 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
11
States / cities
San Francisco, California • New Haven, Connecticut • Atlanta, Georgia + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2018 · Synced Jul 23, 2026, 1:26 AM EDT
Not listed Phase 2Phase 3 Interventional

Metabolism and Toxicity of Acetaminophen

NCT01328808
View directory record Official record
Conditions
Pain
Interventions
Acetaminophen/APAP
Drug
Lead sponsor
John van den Anker
Other
Eligibility
22 Weeks to 37 Weeks
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2022
U.S. locations
2
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Mar 1, 2022 · Synced Jul 23, 2026, 1:26 AM EDT
Terminated Phase 2 Interventional

Evaluation of the Efficacy of Fomepizole in the Treatment of Acetaminophen Overdose

NCT05517668
View directory record Official record
Conditions
Acetaminophen, Drug Overdose, Acetaminophen Overdose, Acetaminophen Poisoning, Drug-induced Liver Injury, Liver Failure, Liver Toxicity
Interventions
Intravenous infusion of N-acetylcysteine, Intravenous infusion of Fomepizole (4-MP)
Drug
Lead sponsor
Richard Dart, MD, PhD
Other
Eligibility
10 Years to 99 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 24, 2025 · Synced Jul 23, 2026, 1:26 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Protective Effects of Propylene Glycol in Daily Acetaminophen Dosing

NCT02322879
View directory record Official record
Conditions
Acetaminophen Toxicity
Interventions
First Treatment Period, Washout, Second Treatment Period
Drug · Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
20 Years to 40 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 31, 2017 · Synced Jul 23, 2026, 1:26 AM EDT
Completed Phase 3 Interventional Results available

N-acetylcysteine in Non-Acetaminophen Pediatric Acute Liver Failure

NCT00248625
View directory record Official record
Conditions
Acute Liver Failure, Hepatic Encephalopathy
Interventions
N-acetylcysteine, Placebo
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
Up to 18 Years
Enrollment
184 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2010
U.S. locations
17
States / cities
San Francisco, California • Denver, Colorado • Atlanta, Georgia + 13 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2016 · Synced Jul 23, 2026, 1:26 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Aminotransferase Trends During Prolonged Acetaminophen Dosing

NCT00743093
View directory record Official record
Conditions
Drug Toxicity, Healthy
Interventions
acetaminophen, placebo
Drug
Lead sponsor
Denver Health and Hospital Authority
Other
Eligibility
18 Years and older
Enrollment
398 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
2
States / cities
Aurora, Colorado • Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 17, 2013 · Synced Jul 23, 2026, 1:26 AM EDT
Completed No phase listed Observational

Cytokines Polymorphisms and Acetaminophen Toxicity

NCT00166608
View directory record Official record
Conditions
Drug Toxicity
Interventions
Blood sampling
Procedure
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
Not listed
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
7
States / cities
Little Rock, Arkansas • Louisville, Kentucky • Detroit, Michigan + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 11, 2012 · Synced Jul 23, 2026, 1:26 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Acetaminophen Biomarkers

NCT01005173
View directory record Official record
Conditions
Acetaminophen Toxicity
Interventions
Not listed
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
1 Year to 18 Years
Enrollment
253 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2009
U.S. locations
8
States / cities
Little Rock, Arkansas • Washington D.C., District of Columbia • Louisville, Kentucky + 5 more
Source: ClinicalTrials.gov public record
Updated Nov 23, 2017 · Synced Jul 23, 2026, 1:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Protective Effect of Nicotinamide Riboside Against Acetaminophen Toxicity

NCT06214468
View directory record Official record
Conditions
Drug Toxicity
Interventions
Acetaminophen and Nicotinamide Riboside, Acetaminophen
Combination Product · Drug
Lead sponsor
University of South Alabama
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Mobile, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced Jul 23, 2026, 1:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect on Acetaminophen Metabolism by Liquid Formulations

NCT01246713
View directory record Official record
Conditions
Acetaminophen Metabolism, Acetaminophen Poisoning, Drug Metabolism by Excipients
Interventions
Acetaminophen liquid formulation, Acetaminophen solid formulation
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 40 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 7, 2017 · Synced Jul 23, 2026, 1:26 AM EDT
Completed No phase listed Observational

Adduct Dipstick for Diagnosis of Acetaminophen Toxicity

NCT01575847
View directory record Official record
Conditions
Acetaminophen Toxicity
Interventions
Not listed
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
12 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jan 3, 2017 · Synced Jul 23, 2026, 1:26 AM EDT
Completed No phase listed Observational

A Multi-Center Group to Study Acute Liver Failure in Children

NCT00986648
View directory record Official record
Conditions
Acute Liver Failure, Hepatic Encephalopathy
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
Up to 18 Years
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2015
U.S. locations
17
States / cities
San Francisco, California • Aurora, Colorado • Atlanta, Georgia + 13 more
Source: ClinicalTrials.gov public record
Updated Jan 11, 2016 · Synced Jul 23, 2026, 1:26 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Understanding Patient's Knowledge and Use of Acetaminophen

NCT00823758
View directory record Official record
Conditions
Liver Failure
Interventions
Focus Groups, Personal Interviews
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
13 Years and older
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2020
U.S. locations
4
States / cities
Philadelphia, Pennsylvania • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 26, 2020 · Synced Jul 23, 2026, 1:26 AM EDT