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

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

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

Conditions
-----------------
Healthy

Intervention / Treatment
-----------------
* Drug: crizotinib
* Drug: ketoconazole
* Drug: crizotinib


Participation Criteria
=================
Eligibility Criteria
-----------------
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
-----------------
Minimum Age: 18 Years
Maximum Age: 55 Years

Sexes Eligible for Study
-----------------
All

Accepts Healthy Volunteers
-----------------
Accepts Healthy Volunteers

Study Plan
=================
How is the study designed?
-----------------

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 150-mg dose of crizotinib will be administered in the fasted state on Day 1 as 1 × 50-mg and 1 × 100-mg Immediate Release Tablets.<br>Drug: ketoconazole<br>* Treatment B: 200 mg twice a day (approximately 12 hrs apart) doses of ketoconazole will be administered orally on an empty stomach from Day 1 to Day 16.<br>Drug: crizotinib<br>* Treatment B: A single 150-mg dose of crizotinib will be administered in the fasted state on Day 4 as 1 × 50-mg and 1 × 100-mg Immediate Release Tablets.<br>|

What is the study measuring?
-----------------
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, 6, 8, 10, 12, 24, 48, 72, 96, 144, 192 and 312 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, 6, 8, 10, 12, 24, 48, 72, 96, 144, 192 and 312 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, 6, 8, 10, 12, 24, 48, 72, 96, 144, 192 and 312 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, 6, 8, 10, 12, 24, 48, 72, 96, 144, 192 and 312 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, 6, 8, 10, 12, 24, 48, 72, 96, 144, 192 and 312 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 (apparent oral clearance) 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, 6, 8, 10, 12, 24, 48, 72, 96, 144, 192 and 312 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, 6, 8, 10, 12, 24, 48, 72, 96, 144, 192 and 312 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, 6, 8, 10, 12, 24, 48, 72, 96, 144, 192 and 312 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-∞). It is obtained from AUC (0-t) plus AUC (t-∞) 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, 6, 8, 10, 12, 24, 48, 72, 96, 144, 192 and 312 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, 6, 8, 10, 12, 24, 48, 72, 96, 144, 192 and 312 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, 6, 8, 10, 12, 24, 48, 72, 96, 144, 192 and 312 hrs post crizotinib dose in period 2 | 
| Metabolite to Parent Ratio of Area Under the Curve From Time Zero to Last Quantifiable Concentration for Crizotinib Metabolite Ratio (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, 6, 8, 10, 12, 24, 48, 72, 96, 144, 192 and 312 hrs post crizotinib dose in period 2 | 
| Metabolite to Parent Ratio of Area Under the Curve From Time Zero to Extrapolated Infinite Time [MRAUC(0-∞)] | Molar ratio of metabolite to parent area under the plasma concentration versus time curve (AUC) from time zero (pre-dose) to extrapolated infinite time (0-∞) [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, 6, 8, 10, 12, 24, 48, 72, 96, 144, 192 and 312 hrs post crizotinib dose in period 2 | 
| Metabolite to Parent Ratio of Maximum Observed Plasma Concentration (MRCmax) | Metabolite to parent molar ratio of 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, 6, 8, 10, 12, 24, 48, 72, 96, 144, 192 and 312 hrs post crizotinib dose in period 2 | 

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