4-methylpyrazole and Acetaminophen Metabolism
The Effect of 4-methylpyrazole on Oxidative Metabolism of Acetaminophen in Healthy Volunteers
1 other identifier
interventional
6
1 country
1
Brief Summary
Oxidative metabolism of APAP will be studied with and without 4-MP.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for early_phase_1
Started Jul 2018
Shorter than P25 for early_phase_1
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
July 1, 2018
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 31, 2018
CompletedStudy Completion
Last participant's last visit for all outcomes
October 31, 2018
CompletedFirst Submitted
Initial submission to the registry
March 14, 2019
CompletedFirst Posted
Study publicly available on registry
March 18, 2019
CompletedSeptember 26, 2019
June 1, 2018
4 months
March 14, 2019
September 24, 2019
Conditions
Outcome Measures
Primary Outcomes (1)
Oxidative metabolism of APAP
Measurement of oxidized metabolites of APAP
24 hours
Study Arms (2)
A
EXPERIMENTALOral APAP and IV Fomepizole.
B
ACTIVE COMPARATOROral APAP.
Interventions
Eligibility Criteria
You may qualify if:
- Healthy
- No APAP use in previous 2 weeks
- No ingestion of alcohol or drugs that affect CYP 2E1 over previous 5 days
- No allergy to APAP or fomepizole
- BMI \< 29
You may not qualify if:
- Pregnant or lactating
- History of alcohol abuse
- Allergy to APAP or fomepizole
- Screening LFTs above normal range
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
BUMCP - Department of Medical Toxicology
Phoenix, Arizona, 85006, United States
Related Publications (1)
Kang AM, Padilla-Jones A, Fisher ES, Akakpo JY, Jaeschke H, Rumack BH, Gerkin RD, Curry SC. The Effect of 4-Methylpyrazole on Oxidative Metabolism of Acetaminophen in Human Volunteers. J Med Toxicol. 2020 Apr;16(2):169-176. doi: 10.1007/s13181-019-00740-z. Epub 2019 Nov 25.
PMID: 31768936DERIVED
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Study Design
- Study Type
- interventional
- Phase
- early phase 1
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- OTHER
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
March 14, 2019
First Posted
March 18, 2019
Study Start
July 1, 2018
Primary Completion
October 31, 2018
Study Completion
October 31, 2018
Last Updated
September 26, 2019
Record last verified: 2018-06