Estimation Of Effect Of Rifampin On Pharmacokinetics Of Crizotinib In Healthy Volunteers

Study Overview
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Brief Summary
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The purpose of this study is to estimate the effect of multiple doses of Rifampin on the single dose pharmacokinetics of Crizotinib in healthy volunteers.

Official Title
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A Phase 1, Fixed Sequence, Cross-Over Study To Estimate The Effect Of Multiple Dose Rifampin On The Single Dose Pharmacokinetics Of Crizotinib (PF-02341066) In Healthy Volunteers

Conditions
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Healthy

Intervention / Treatment
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* Drug: crizotinib
* Drug: rifampin
* Drug: crizotinib


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Healthy male and/or female of non-child bearing potential subjects between the ages of 18 and 55 years, inclusive (Healthy is defined as no clinically relevant abnormalities identified by a detailed medical history, full physical examination, including blood pressure and pulse rate measurement, 12-lead ECG and clinical laboratory tests). Body Mass Index (BMI) of 17.5 to 30.5 kg/m^2; and a total body weight >50 kg (110 lbs). Exclusion Criteria: Subjects with evidence of disease, conditions affecting drug absorption, treatment with other investigational drug within 30 days, history of regular alcohol consumption, and use of prescription , nonprescription drugs and dietary supplement within 7 days, and blood donation of 500 mL within 56 days.

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 55 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Allocation: Non-Randomized
Intervention Model: Crossover Assignment
Masking: None (Open Label)


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: 1<br>There should be at least 14-day washout period between treatment A and B. | Drug: crizotinib<br>* Treatment A: a single 250-mg dose of crizotinib will be administered in the fasted state on Day 1 as 1 × 50-mg and 2 × 100-mg Immediate Release Tablets.<br>Drug: rifampin<br>* Treatment B: 600 mg once a day doses of rifampin will be orally administered after overnight fasting from Day 1 to Day 14.<br>Drug: crizotinib<br>* Treatment B: A single 250-mg dose of crizotinib will be administered in the fasted state on Day 9 as 1 × 50-mg and 2 × 100-mg Immediate Release Tablets.<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Area Under the Curve From Time Zero to Extrapolated Infinite Time [AUC (0 - ∞)] | AUC (0 - ∞) = Area under the plasma concentration versus time curve (AUC) from time zero (pre-dose) to extrapolated infinite time (0 - ∞). It is obtained from AUC (0 - t) plus AUC (t - ∞). | 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hours (hrs) post crizotinib dose in period 1 and Day 0, 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 2 | 
| Maximum Observed Plasma Concentration (Cmax) |  | 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 1 and Day 0, 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 2 | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Area Under the Curve From Time Zero to Last Quantifiable Concentration (AUClast) | Area under the plasma concentration time-curve from zero (pre-dose) to the last measured concentration (AUClast). | 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 1 and Day 0, 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 2 | 
| Time to Reach Maximum Observed Plasma Concentration (Tmax) |  | 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 1 and Day 0, 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 2 | 
| Plasma Decay Half-Life (t1/2) | Plasma decay half-life is the time measured for the plasma concentration to decrease by one half. | 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 1 and Day 0, 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 2 | 
| Apparent Oral Clearance (CL/F) | Drug clearance is a quantitative measure of the rate at which a drug substance is removed from the body. Clearance obtained after oral dose CL/F is influenced by the fraction of the dose absorbed. | 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 1 and Day 0, 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 2 | 
| Apparent Volume of Distribution (Vz/F) | Volume of distribution is defined as the theoretical volume in which the total amount of drug would need to be uniformly distributed to produce the desired blood concentration of a drug. Apparent volume of distribution after oral dose (Vz/F) is influenced by the fraction absorbed. | 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 1 and Day 0, 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 2 | 
| Area Under the Curve From Time Zero to Last Quantifiable Concentration (AUClast) for Crizotinib Metabolite (PF-06260182) | Area under the plasma concentration time-curve from zero (pre-dose) to the last measured concentration (AUClast) of crizotinib metabolite (PF-06260182). | 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 1 and Day 0, 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 2 | 
| Area Under the Curve From Time Zero to Extrapolated Infinite Time [AUC (0 - ∞)] for Crizotinib Metabolite (PF-06260182) | AUC (0 - ∞) = Area under the plasma concentration versus time curve (AUC) from time zero (pre-dose) to extrapolated infinite time (0 - ∞) of crizotinib metabolite (PF-06260182). It is obtained from AUC (0 - t) plus AUC (t - ∞). | 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 1 and Day 0, 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 2 | 
| Time to Reach Maximum Observed Plasma Concentration (Tmax) for Crizotinib Metabolite (PF-06260182) |  | 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 1 and Day 0, 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 2 | 
| Maximum Observed Plasma Concentration (Cmax) for Crizotinib Metabolite (PF-06260182) |  | 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 1 and Day 0, 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 2 | 
| Metabolite to Parent Ratio Area Under the Curve From Time Zero to Last Quantifiable Concentration (MRAUClast) | Molar ratio of metabolite to parent area under the plasma concentration time-curve from zero (pre-dose) to the last measured concentration (MRAUClast). | 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 1 and Day 0, 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 2 | 
| Metabolite to Parent Ratio Area Under the Curve From Time Zero to Extrapolated Infinite Time [MRAUC (0 - ∞)] | Molar ratio of metabolite to parent area under the curve from time zero to extrapolated infinite time [MRAUC (0-∞)]. | 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 1 and Day 0, 0 (pre-dose) , 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 2 | 
| Metabolite to Parent Ratio Maximum Observed Plasma Concentration (MRCmax) | Metabolite to parent molar ratio of maximum observed plasma concentration (MRCmax). | 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 1 and Day 0, 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96 and 144 hrs post crizotinib dose in period 2 | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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crizotinib, healthy volunteers, rifampin, pharmacokinetics, single dose