A Study To Evaluate The Effect Of Rifampin On Pharmacokinetics Of PF-06463922 In Healthy Volunteers
- Registration Number
- NCT02804399
- Lead Sponsor
- Pfizer
- Brief Summary
The purpose of this study is to estimate the effect of rifampin on the single dose PK of PF-06463922.
- Detailed Description
This will be a Phase 1, open-label, 2-period, 2-treatment, fixed-sequence, cross-over study in approximately 12 healthy subjects employing administration of a single oral dose of PF-06463922 in the fasted state alone, and with multiple dosing of rifampin 600 mg once a day to estimate the effect of multiple dose rifampin on the single dose PK of PF-06463922.
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 12
- Healthy female subjects of non-childbearing potential and/or male subjects who, at the time of screening, are between the ages of 18 and 55 years, inclusive
- Body Mass Index (BMI) of 17.5 to 30.5 kg/m2; and a total body weight >50 kg (110 lbs)
- Evidence or history of clinically significant hematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, hepatic, psychiatric, neurologic, or allergic disease
- Any condition possibly affecting drug absorption
- Positive urine drug screen
- History of HIV, Hep B or Hep C
- History of regular alcohol consumption
- History of cardiac arrhythmia, history of AV block, history of symptomatic bradycardia, history of QTc prolongation
- History of pancreatitis or hyperlipidemia, elevated lipase
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- CROSSOVER
- Arm && Interventions
Group Intervention Description all subjects PF-06463922 subjects will receive a 100 mg single oral dose of PF-06463922 followed by a 100 mg single dose of PF-06463922 combined with 600 mg QD dose of rifampin with at least 10 days of washout period between two PF-06463922 doses. all subjects rifampin subjects will receive a 100 mg single oral dose of PF-06463922 followed by a 100 mg single dose of PF-06463922 combined with 600 mg QD dose of rifampin with at least 10 days of washout period between two PF-06463922 doses.
- Primary Outcome Measures
Name Time Method Plasma AUCinf for PF-06463922 Given Alone and With Rifampin Predose, 0.5, 1, 1.5, 2, 4, 6, 12, 24, 36, 48, 60, 72, 96, 120 hours postdose on Day 1 after PF-06463922 100 mg administration in Period 1, and at the same time points on Day 8 after PF-06463922 100 mg with rifampin administration in Period 2. AUCinf is the plasma area under the plasma concentration-time profile from time 0 extrapolated to infinite time. The pharmacokinetics (PK) parameter analysis population was defined as all participants enrolled and treated who have at least 1 of the PF-06463922 PK parameters of primary interest in at least 1 treatment period.
Plasma Cmax for PF-06463922 Given Alone and With Rifampin Predose, 0.5, 1, 1.5, 2, 4, 6, 12, 24, 36, 48, 60, 72, 96, 120 hours postdose on Day 1 after PF-06463922 100 mg administration in Period 1, and at the same time points on Day 8 after PF-06463922 100 mg with rifampin administration in Period 2. Cmax is the maximum observed plasma concentration. PK parameter analysis population was defined as all participants enrolled and treated who have at least 1 of the PF-06463922 PK parameters of primary interest in at least 1 treatment period.
- Secondary Outcome Measures
Name Time Method Plasma AUClast for PF-06463922 Given Alone and With Rifampin Predose, 0.5, 1, 1.5, 2, 4, 6, 12, 24, 36, 48, 60, 72, 96, 120 hours postdose on Day 1 after PF-06463922 100 mg administration in Period 1, and at the same time points on Day 8 after PF-06463922 100 mg with rifampin administration in Period 2. AUClast is the plasma area under the plasma concentration-time profile from time 0 to the time of the last quantifiable concentration. The PK parameter analysis population was defined as all participants enrolled and treated who have at least 1 of the PF-06463922 PK parameters of primary interest in at least 1 treatment period.
Plasma AUClast for PF-06895751 When PF-06463922 Given Alone and With Rifampin Predose, 0.5, 1, 1.5, 2, 4, 6, 12, 24, 36, 48, 60, 72, 96, 120 hours postdose on Day 1 after PF-06463922 100 mg administration in Period 1, and at the same time points on Day 8 after PF-06463922 100 mg with rifampin administration in Period 2. AUClast was the plasma area under the plasma concentration-time profile from time 0 to the time of the last quantifiable concentration. The PK parameter analysis population was defined as all participants enrolled and treated who have at least 1 of the PF-06463922 PK parameters of primary interest in at least 1 treatment period. PF-06895751 was the metabolite of PF-06463922.
Plasma Cmax for PF-06895751 When PF-06463922 Given Alone and With Rifampin Predose, 0.5, 1, 1.5, 2, 4, 6, 12, 24, 36, 48, 60, 72, 96, 120 hours postdose on Day 1 after PF-06463922 100 mg administration in Period 1, and at the same time points on Day 8 after PF-06463922 100 mg with rifampin administration in Period 2. Cmax was the maximum observed plasma concentration. The PK parameter analysis population was defined as all participants enrolled and treated who have at least 1 of the PF-06463922 PK parameters of primary interest in at least 1 treatment period. PF-06895751 was the metabolite of PF-06463922.
Plasma Tmax for PF-06463922 Given Alone and With Rifampin Predose, 0.5, 1, 1.5, 2, 4, 6, 12, 24, 36, 48, 60, 72, 96, 120 hours postdose on Day 1 after PF-06463922 100 mg administration in Period 1, and at the same time points on Day 8 after PF-06463922 100 mg with rifampin administration in Period 2. Tmax is the time for maximum observed plasma concentration (Cmax). The PK parameter analysis population was defined as all participants enrolled and treated who have at least 1 of the PF-06463922 PK parameters of primary interest in at least 1 treatment period.
Plasma Tmax for PF-06895751 When PF-06463922 Given Alone and With Rifampin. Predose, 0.5, 1, 1.5, 2, 4, 6, 12, 24, 36, 48, 60, 72, 96, 120 hours postdose on Day 1 after PF-06463922 100 mg administration in Period 1, and at the same time points on Day 8 after PF-06463922 100 mg with rifampin administration in Period 2. Tmax was the time for maximum observed plasma concentration (Cmax). The PK parameter analysis population was defined as all participants enrolled and treated who have at least 1 of the PF-06463922 PK parameters of primary interest in at least 1 treatment period. PF-06895751 was the metabolite of PF-06463922.
Plasma Molecular Weight Adjusted Metabolite to Parent (M/P) Ratio for AUClast (MRAUClast) of PF-06463922 and Its Metabolite: When PF-06463922 Given Alone and With Rifampin Predose, 0.5, 1, 1.5, 2, 4, 6, 12, 24, 36, 48, 60, 72, 96, 120 hours postdose on Day 1 after PF-06463922 100 mg administration in Period 1, and at the same time points on Day 8 after PF-06463922 100 mg with rifampin administration in Period 2. AUClast was the plasma area under the plasma concentration-time profile from time 0 to the time of the last quantifiable concentration of PF-06463922 and PF-06895751 ( metabolite of PF-06463922). The molecular weight adjusted metabolite/parent ratio (PF-06895751/PF-06463922) for AUClast was presented. The PK parameter analysis population was defined as all participants enrolled and treated who have at least 1 of the PF-06463922 PK parameters of primary interest in at least 1 treatment period. PF-06895751 was the metabolite of PF-06463922.
Plasma Molecular Weight Adjusted Metabolite to Parent (M/P) Ratio for AUCinf (MRAUCinf) of PF-06463922 and Its Metabolite: When PF-06463922 Given Alone and With Rifampin Predose, 0.5, 1, 1.5, 2, 4, 6, 12, 24, 36, 48, 60, 72, 96, 120 hours postdose on Day 1 after PF-06463922 100 mg administration in Period 1, and at the same time points on Day 8 after PF-06463922 100 mg with rifampin administration in Period 2. AUCinf was the plasma area under the plasma concentration-time profile from time 0 extrapolated to infinite time of PF-06463922 and PF-06895751 ( metabolite of PF-06463922). The molecular weight adjusted metabolite/parent ratio (PF-06895751/PF-06463922) for AUCinf was presented. The PK parameter analysis population was defined as all participants enrolled and treated who have at least 1 of the PF-06463922 PK parameters of primary interest in at least 1 treatment period.
Plasma t1/2 for PF-06463922 Given Alone and With Rifampin Predose, 0.5, 1, 1.5, 2, 4, 6, 12, 24, 36, 48, 60, 72, 96, 120 hours postdose on Day 1 after PF-06463922 100 mg administration in Period 1, and at the same time points on Day 8 after PF-06463922 100 mg with rifampin administration in Period 2. Terminal plasma half-life (t1/2) is the time measured for the plasma concentration of drug to decrease by one half. The PK parameter analysis population is defined as all participants enrolled and treated who have at least 1 of the PF-06463922 PK parameters of primary interest in at least 1 treatment period.
Plasma Molecular Weight Adjusted Metabolite to Parent (M/P) Ratio for Cmax (MRCmax) of PF-06463922 and Its Metabolite: When PF-06463922 Given Alone and With Rifampin Predose, 0.5, 1, 1.5, 2, 4, 6, 12, 24, 36, 48, 60, 72, 96, 120 hours postdose on Day 1 after PF-06463922 100 mg administration in Period 1, and at the same time points on Day 8 after PF-06463922 100 mg with rifampin administration in Period 2. Cmax was the maximum observed plasma concentration of PF-06463922 and PF-06895751 ( metabolite of PF-06463922). The molecular weight adjusted metabolite/parent ratio (PF-06895751/PF-06463922) for Cmax was presented. The PK parameter analysis population was defined as all participants enrolled and treated who have at least 1 of the PF-06463922 PK parameters of primary interest in at least 1 treatment period.
Plasma CL/F for PF-06463922 Given Alone and With Rifampin Predose, 0.5, 1, 1.5, 2, 4, 6, 12, 24, 36, 48, 60, 72, 96, 120 hours postdose on Day 1 after PF-06463922 100 mg administration in Period 1, and at the same time points on Day 8 after PF-06463922 100 mg with rifampin administration in Period 2. CL/F is the apparent oral clearance. The PK parameter analysis population was defined as all participants enrolled and treated who have at least 1 of the PF-06463922 PK parameters of primary interest in at least 1 treatment period.
Plasma Vz/F for PF-06463922 Given Alone and With Rifampin Predose, 0.5, 1, 1.5, 2, 4, 6, 12, 24, 36, 48, 60, 72, 96, 120 hours postdose on Day 1 after PF-06463922 100 mg administration in Period 1, and at the same time points on Day 8 after PF-06463922 100 mg administration with rifampin in Period 2. Vz/F is the apparent volume of distribution (only after single dose).The PK parameter analysis population was defined as all participants enrolled and treated who have at least 1 of the PF-06463922 PK parameters of primary interest in at least 1 treatment period.
Plasma t1/2 for PF-06895751 When PF-06463922 Given Alone and With Rifampin Predose, 0.5, 1, 1.5, 2, 4, 6, 12, 24, 36, 48, 60, 72, 96, 120 hours postdose on Day 1 after PF-06463922 100 mg administration in Period 1, and at the same time points on Day 8 after PF-06463922 100 mg with rifampin administration in Period 2. T1/2 was the terminal plasma half-life. The PK parameter analysis population was defined as all participants enrolled and treated who have at least 1 of the PF-06463922 PK parameters of primary interest in at least 1 treatment period. PF-06895751 was the metabolite of PF-06463922.
Plasma AUCinf for PF-06895751 When PF-06463922 Given Alone and With Rifampin Predose, 0.5, 1, 1.5, 2, 4, 6, 12, 24, 36, 48, 60, 72, 96, 120 hours postdose on Day 1 after PF-06463922 100 mg administration in Period 1, and at the same time points on Day 8 after PF-06463922 100 mg with rifampin administration in Period 2. AUCinf was the area under the plasma concentration-time profile from time 0 extrapolated to infinite time. The PK parameter analysis population was defined as all participants enrolled and treated who have at least 1 of the PF-06463922 PK parameters of primary interest in at least 1 treatment period. PF-06895751 was the metabolite of PF-06463922.
Trial Locations
- Locations (1)
Pfizer New Haven Clinical Research Unit
🇺🇸New Haven, Connecticut, United States