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

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

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.

Study Overview

• Status: Completed
• Conditions: Healthy
• Intervention / Treatment: Drug: crizotinib; Drug: ketoconazole; Drug: crizotinib

• Study Type: Interventional
• Enrollment (Actual): 15
• Phase: Phase 1

Contacts and Locations

Study Locations

• United States
  • Florida
    • South Miami, Florida, United States, 33143
      • Pfizer Investigational Site

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 18 years to 55 years (ADULT)
• Accepts Healthy Volunteers: Yes
• Genders Eligible for Study: All

Description

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.

Study Plan

How is the study designed?

Design Details

• Allocation: NON_RANDOMIZED
• Interventional Model: CROSSOVER
• Masking: NONE

Number of Arms

1

Arms and Interventions

Participant Group / Arm

Intervention / Treatment

EXPERIMENTAL: 1; There should be at least 14-day washout period between treatment A and B.

Drug: crizotinib; 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.; Drug: ketoconazole; 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.; Drug: crizotinib; 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.

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

Collaborators and Investigators

• Sponsor: Pfizer

Publications and helpful links

General Publications

• Xu H, O'Gorman M, Tan W, Brega N, Bello A. The effects of ketoconazole and rifampin on the single-dose pharmacokinetics of crizotinib in healthy subjects. Eur J Clin Pharmacol. 2015 Dec;71(12):1441-9. doi: 10.1007/s00228-015-1945-5. Epub 2015 Sep 18.

Helpful Links

• To obtain contact information for a study center near you, click here.

Study record dates

Study Major Dates

• Study Start: July 1, 2010
• Primary Completion (ACTUAL): September 1, 2010
• Study Completion (ACTUAL): September 1, 2010

Study Registration Dates

• First Submitted: June 21, 2010
• First Submitted That Met QC Criteria: June 22, 2010
• First Posted (ESTIMATE): June 23, 2010

Study Record Updates

• Last Update Posted (ESTIMATE): October 24, 2011
• Last Update Submitted That Met QC Criteria: October 20, 2011
• Last Verified: October 1, 2011

More Information

Terms related to this study

• Keywords: pharmacokinetics; healthy volunteers; single dose; crizotinib; ketoconazole
• Additional Relevant MeSH Terms: Physiological Effects of Drugs; Molecular Mechanisms of Pharmacological Action; Anti-Infective Agents; Enzyme Inhibitors; Antineoplastic Agents; Hormones, Hormone Substitutes, and Hormone Antagonists; Protein Kinase Inhibitors; Cytochrome P-450 CYP3A Inhibitors; Cytochrome P-450 Enzyme Inhibitors; Hormone Antagonists; Antifungal Agents; Steroid Synthesis Inhibitors; 14-alpha Demethylase Inhibitors; Ketoconazole; Crizotinib
• Other Study ID Numbers: A8081015