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

This study has been completed.
Sponsor:
Information provided by (Responsible Party):
Pfizer
ClinicalTrials.gov Identifier:
NCT01149785
First received: June 21, 2010
Last updated: October 20, 2011
Last verified: October 2011
History of Changes
  Purpose

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.


Condition Intervention Phase
Healthy
 Drug: crizotinib
Drug: ketoconazole
 Phase 1

Study Type: Interventional
Study Design: Allocation: Non-Randomized
Endpoint Classification: Pharmacokinetics Study
Intervention Model: Crossover Assignment
Masking: Open Label
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

Resource links provided by NLM:

U.S. FDA Resources

Further study details as provided by Pfizer:

Primary Outcome Measures:
  • Area Under the Curve From Time Zero to Extrapolated Infinite Time [AUC (0-∞)] [ Time Frame: 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 ] [ Designated as safety issue: No ]
    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-∞).

  • Maximum Observed Plasma Concentration (Cmax) [ Time Frame: 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 ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • Area Under the Curve From Time Zero to Last Quantifiable Concentration (AUClast) [ Time Frame: 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 ] [ Designated as safety issue: No ]
    Area under the plasma concentration time-curve from zero (pre-dose) to the last measured concentration (AUClast).

  • Time to Reach Maximum Observed Plasma Concentration (Tmax) [ Time Frame: 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 ] [ Designated as safety issue: No ]
  • Plasma Decay Half-Life (t1/2) [ Time Frame: 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 ] [ Designated as safety issue: No ]
    Plasma decay half-life is the time measured for the plasma concentration to decrease by one half.

  • Apparent Oral Clearance (CL/F) [ Time Frame: 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 ] [ Designated as safety issue: No ]
    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.

  • Apparent Volume of Distribution (Vz/F) [ Time Frame: 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 ] [ Designated as safety issue: No ]
    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.

  • Area Under the Curve From Time Zero to Last Quantifiable Concentration (AUClast) for Crizotinib Metabolite (PF-06260182) [ Time Frame: 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 ] [ Designated as safety issue: No ]
    Area under the plasma concentration time-curve from zero (pre-dose) to the last measured concentration (AUClast) of crizotinib metabolite (PF-06260182).

  • Area Under the Curve From Time Zero to Extrapolated Infinite Time [AUC (0-∞)] for Crizotinib Metabolite (PF-06260182) [ Time Frame: 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 ] [ Designated as safety issue: No ]
    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).

  • Time to Reach Maximum Observed Plasma Concentration (Tmax) for Crizotinib Metabolite (PF-06260182) [ Time Frame: 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 ] [ Designated as safety issue: No ]
  • Maximum Observed Plasma Concentration (Cmax) for Crizotinib Metabolite (PF-06260182) [ Time Frame: 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 ] [ Designated as safety issue: No ]
  • Metabolite to Parent Ratio of Area Under the Curve From Time Zero to Last Quantifiable Concentration for Crizotinib Metabolite Ratio (MRAUClast) [ Time Frame: 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 ] [ Designated as safety issue: No ]
    Molar ratio of metabolite to parent area under the plasma concentration time-curve from zero (pre-dose) to the last measured concentration (MRAUClast).

  • Metabolite to Parent Ratio of Area Under the Curve From Time Zero to Extrapolated Infinite Time [MRAUC(0-∞)] [ Time Frame: 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 ] [ Designated as safety issue: No ]
    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-∞)].

  • Metabolite to Parent Ratio of Maximum Observed Plasma Concentration (MRCmax) [ Time Frame: 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 ] [ Designated as safety issue: No ]
    Metabolite to parent molar ratio of maximum observed plasma concentration (Cmax).


Enrollment: 15
Study Start Date: July 2010
Study Completion Date: September 2010
Primary Completion Date: September 2010 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
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.

  Eligibility

Ages Eligible for Study:   18 Years to 55 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   Yes
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.
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT01149785

Locations
United States, Florida
Pfizer Investigational Site
South Miami, Florida, United States, 33143
Sponsors and Collaborators
Pfizer
Investigators
Study Director: Pfizer CT.gov Call Center Pfizer
  More Information

Additional Information:
To obtain contact information for a study center near you, click here.  This link exits the ClinicalTrials.gov site

No publications provided

Responsible Party: Pfizer
ClinicalTrials.gov Identifier: NCT01149785     History of Changes
Other Study ID Numbers: A8081015
Study First Received: June 21, 2010
Results First Received: September 12, 2011
Last Updated: October 20, 2011
Health Authority: United States: Food and Drug Administration

Keywords provided by Pfizer:
crizotinib
healthy volunteers
ketoconazole
pharmacokinetics
single dose

Additional relevant MeSH terms:
Ketoconazole
14-alpha Demethylase Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action
 Pharmacologic Actions
Antifungal Agents
Anti-Infective Agents
Therapeutic Uses

ClinicalTrials.gov processed this record on May 23, 2013