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A Drug-Food Interaction Study Between Colchicine and Grapefruit Juice

NCT00984009 · Status: COMPLETED · Phase: PHASE1 · Type: INTERVENTIONAL · Enrollment: 24

Last updated 2011-11-21

Study results available
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Summary

Grapefruit juice is an inhibitor of the cytochrome P450 (CYP) 3A4 enzyme system, one of the enzyme systems responsible for the metabolism of colchicine. This study will evaluate the effect of multiple daily consumptions of grapefruit juice on the pharmacokinetic profile of a single 0.6 mg dose of colchicine. A secondary objective is to evaluate the safety and tolerability of this regimen in healthy volunteers. All study subjects will be monitored for adverse events throughout the study period.

Conditions

  • Pharmacokinetics

Interventions

DRUG

Colchicine

A single dose of 0.6 mg colchicine administered alone at 7:15 a.m. on Day 1

OTHER

Grapefruit Juice

240 mL of grapefruit juice ingested twice daily at 7:15 a.m. and 7:15 p.m. on Days 15 to 18.

DRUG

Colchicine

A single dose of 0.6 mg colchicine administered with grapefruit juice at 7:15 a.m. on Day 18 after an overnight fast of at least 10 hours.

Sponsors & Collaborators

  • Mutual Pharmaceutical Company, Inc.

    lead INDUSTRY

Principal Investigators

  • Anthony R Godfrey, Pharm.D. · PRACS - Cetero

Study Design

Allocation
NON_RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Max Age
45 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2008-09-30
Primary Completion
2008-10-31
Completion
2008-10-31

Countries

  • United States

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT00984009 on ClinicalTrials.gov