Pharmacokinetic Study With Colchicine in Healthy Volunteers

Status Completed

Clinical Trial Summary

Clinical Trial Description

This open label, single group, sequential dose study will compare the single dose pharmacokinetics of colchicine 0.6 mg given orally to colchicine pharmacokinetics after 10 days of a standard prophylactic dose (0.6 mg every 12 hours) in healthy volunteers. After a fast of at least 10 hours, fourteen healthy non-smoking, non-obese, non-pregnant volunteers will receive a single oral dose of colchicine 0.6 mg. Fasting will continue for 4 hours after the dose, at which time a standard meal will be served. Blood will be drawn from all participants at times sufficient to adequately define the single dose pharmacokinetics of colchicine and its 3 major metabolites, 2, 3 and 10 demethylcolchicine. Following a 14 day washout period, all participants will begin a 10 day regimen of colchicine 0.6 mg orally every 12 hours. On the morning of day 25, after a fast of at least 10 hours, all participants will receive their final dose of colchicine 0.6 mg. Again blood will be drawn at times sufficient to determine the pharmacokinetics of colchicine and its 3 major metabolites after chronic dosing. The pharmacokinetic parameters for each dosing situation will be derived and compared for relevant differences. Though not a specific goal of this study, all participants will be monitored for adverse events by observation and query during periods of confinement on days 1, 15 and 25, as well as by complete blood count (CBC) with differential and clinical chemistry, sitting and standing blood pressures, and heart rate and 12-lead electrocardiogram (EKG) before and after dosing, on days 1 and 25. ;

Study Design

Allocation: Non-Randomized, Endpoint Classification: Pharmacokinetics Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Basic Science

Related Conditions & MeSH terms

Pharmacokinetics

Clinical Trial Details

NCT number	NCT01017003
Study type	Interventional
Source	Mutual Pharmaceutical Company, Inc.
Contact
Status	Completed
Phase	Phase 1
Start date	September 2007
Completion date	December 2007

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.