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Completed

NCT Number: NCT01168934

A Phase 1 Absolute Bioavailability Study For Oral Crizotinib In Healthy Volunteers

This study will be an open-label, randomized, 2-period, 2-treatment, 2-sequence, cross-over single-dose study to test the absolute bioavailability of oral crizotinib formulation to IV formulation in healthy adult volunteers. Fourteen (14) subjects will be enrolled to obtain at least 12 evaluable subjects who complete the study. Each subject will receive two treatments (A and B) with a washout period of at least 14 days between each treatment.

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Key information

Conditions

Age range

18 year–55 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 1

Primary location

Pfizer Investigational Site

Brussels, B-1070, Belgium

About this study

evaluate the absolute bioavailability of oral crizotinib to IV crizotinib.

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Healthy male and/or female of non-childbearing 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

  • Evidence or history of clinically significant hematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, hepatic, psychiatric, neurologic, or allergic disease (including drug allergies, but excluding untreated, asymptomatic, seasonal allergies at time of dosing).
  • Any condition possibly affecting drug absorption (eg, gastrectomy).
  • A positive urine drug screen.
  • History of regular alcohol consumption exceeding 14 drinks/week for females or 21 drinks/week for males within 6 months of screening.
  • Treatment with an investigational drug within 30 days (or as determined by the local requirement, whichever is longer) or 5 half-lives preceding the first dose of study medication.
  • 12-lead ECG demonstrating QTc >450 msec at Screening.
  • Pregnant or nursing females; females of childbearing potential, including those with tubal ligation.
  • Use of prescription or nonprescription drugs and dietary supplements within 7 days or 5 half-lives (whichever is longer) prior to the first dose of study medication. Herbal supplements and hormone replacement therapy must be discontinued 28 days prior to the first dose of study medication.
  • Other severe acute or chronic medical or psychiatric condition or laboratory abnormality that may increase the risk associated with study participation or investigational product administration or may interfere with the interpretation of study results and, in the judgment of the investigator, would make the subject inappropriate for entry into this study.
  • A positive serology for Hepatitis B or Hepatitis C.
  • Subjects who are currently smoking.

Treatment and study plan

Crizotinib

Drug

Treatment A: Intravenous dose of 50 mg crizotinib will be administered as directed.

Primary outcomes

  1. Dose Normalized Area Under the Curve From Time Zero to Extrapolated Infinite Time (AUC [0 - ∞][dn])

    Time frame: 0 (pre-dose), 1, 2, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, and 144 hours (hrs) post IV crizotinib dose in Treatment A and 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96, and 144 hrs post oral crizotinib dose in Treatment B

    AUC [0 - ∞][dn] = Dose normalized area under the plasma concentration versus time curve (AUC[dn]) from time zero (pre-dose) to extrapolated infinite time (0 - ∞). It is obtained from AUC (0 - ∞) divided by dose.

  2. Area Under the Curve From Time Zero to Extrapolated Infinite Time (AUC [0 - ∞])

    Time frame: 0 (pre-dose), 1, 2, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, and 144 hrs post IV crizotinib dose in Treatment A and 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96, and 144 hrs post oral crizotinib dose in Treatment B

    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 - ∞).

Secondary outcomes

  1. Area Under the Curve From Time Zero to Last Quantifiable Concentration (AUClast)

    Time frame: 0 (pre-dose), 1, 2, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, and 144 hrs post IV crizotinib dose in Treatment A and 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96, and 144 hrs post oral crizotinib dose in Treatment B

    Area under the plasma concentration time-curve from zero (pre-dose) to the last measured concentration (AUClast).

  2. Dose Normalized Area Under the Curve From Time Zero to Last Quantifiable Concentration (AUClast[dn])

    Time frame: 0 (pre-dose), 1, 2, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, and 144 hrs post IV crizotinib dose in Treatment A and 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96, and 144 hrs post oral crizotinib dose in Treatment B

    AUClast[dn] = Dose normalized area under the plasma concentration time-curve (AUC[dn]) from zero to the last measured concentration.

  3. Maximum Observed Plasma Concentration (Cmax)

    Time frame: 0 (pre-dose), 1, 2, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, and 144 hrs post IV crizotinib dose in Treatment A and 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96, and 144 hrs post oral crizotinib dose in Treatment B

  4. 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 oral crizotinib dose in Treatment B

  5. Plasma Decay Half Life (t1/2)

    Time frame: 0 (pre-dose), 1, 2, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, and 144 hrs post IV crizotinib dose in Treatment A and 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96, and 144 hrs post oral crizotinib dose in Treatment B

    Plasma decay half life is the time measured for the plasma concentration to decrease by one half.

  6. 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 oral crizotinib dose in Treatment B

    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.

  7. Systemic Clearance (CL)

    Time frame: 0 (pre-dose), 1, 2, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, and 144 hrs post IV crizotinib dose in Treatment A

    CL is a quantitative measure of the rate at which a drug substance is removed from the body.

  8. 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 oral crizotinib dose in Treatment B

    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 plasma concentration of a drug. Apparent volume of distribution after oral dose (Vz/F) is influenced by the fraction absorbed.

  9. Volume of Distribution at Steady State (Vss)

    Time frame: 0 (pre-dose), 1, 2, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, and 144 hrs post IV crizotinib dose in Treatment A

    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. Steady state volume of distribution (Vss) is the apparent volume of distribution at steady-state.

  10. Area Under the Curve From Time Zero to Last Quantifiable Concentration (AUClast) for Crizotinib Metabolite (PF-06260182)

    Time frame: 0 (pre-dose), 1, 2, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, and 144 hrs post IV crizotinib dose in Treatment A and 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96, and 144 hrs post oral crizotinib dose in Treatment B

    Area under the plasma concentration time-curve from zero (pre-dose) to the last measured concentration (AUClast) of crizotinib metabolite (PF-06260182).

  11. 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 oral crizotinib dose in Treatment B

    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).

  12. Maximum Observed Plasma Concentration (Cmax) for Crizotinib Metabolite (PF-06260182)

    Time frame: 0 (pre-dose), 1, 2, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, and 144 hrs post IV crizotinib dose in Treatment A and 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96, and 144 hrs post oral crizotinib dose in Treatment B

  13. 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 oral crizotinib dose in Treatment B

  14. 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, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, and 144 hrs post IV crizotinib dose in Treatment A and 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96, and 144 hrs post oral crizotinib dose in Treatment B

    Molar ratio of metabolite to parent area under the plasma concentration time-curve from zero (pre-dose) to the last measured concentration (MRAUClast).

  15. Metabolite to Parent Ratio 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 oral crizotinib dose in Treatment B

    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-∞]).

  16. Metabolite to Parent Ratio Maximum Observed Plasma Concentration (MRCmax)

    Time frame: 0 (pre-dose), 1, 2, 2.5, 3, 4, 6, 8, 12, 24, 36, 48, 72, 96, and 144 hrs post IV crizotinib dose in Treatment A and 0 (pre-dose), 1, 2, 4, 5, 6, 8, 10, 12, 24, 36, 48, 72, 96, and 144 hrs post oral crizotinib dose in Treatment B

    Metabolite to parent molar ratio of maximum observed plasma concentration (MRCmax).

Sponsors and collaborators

Lead sponsor

Pfizer

Industry

Registry information

Official study title

A Phase 1, Single Dose, Randomized, Cross-Over Absolute Bioavailability Study In Healthy Volunteers Comparing Oral To Intravenous Administration Of Crizotinib (PF-02341066)

Important dates

Study start
2010
Primary completion
2010
Study completion
2010
First posted
Jul 23, 2010
Registry last updated
Oct 24, 2011

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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