To estimate the pharmacokinetics and relative bioavailability of oxycodone after administration of 40 mg doses of four PF-00345439 formulations and oxycodone in solution
This study will estimate the PK and relative bioavailability of oxycodone following single oral 40-mg doses of 3 modified PF-00345439 Formulations B, C, and D compared with the reference Formulation A under fed conditions.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
NONE
Enrollment
18
Pfizer Investigational Site
Singapore, Singapore, Singapore
Area Under the Curve From Time Zero to Extrapolated Infinite Time (AUCinf) (if data permit, otherwise Area Under the Curve From Time Zero to Last Quantifiable Concentration [AUClast]) of oxycodone.
Time frame: 0, 0.5, 1, 2, 4, 6, 8, 12, 14, 16, 24, 36, 48 hours post-dose
Maximum Observed Plasma Concentration (Cmax)
Time frame: 0, 0.5, 1, 2, 4, 6, 8, 12, 14, 16, 24, 36, 48 hours post-dose
Area Under the Curve From Time Zero to Last Quantifiable Concentration (AUClast) of oxycodone, as data permit.
Time frame: 0, 0.5, 1, 2, 4, 6, 8, 12, 14, 16, 24, 36, 48 hours post-dose
Time to Reach Maximum Observed Plasma Concentration (Tmax) of oxycodone, as data permit.
Time frame: 0, 0.5, 1, 2, 4, 6, 8, 12, 14, 16, 24, 36, 48 hours post-dose
Plasma Decay Half-Life of oxycodone, as data permit.
Time frame: 0, 0.5, 1, 2, 4, 6, 8, 12, 14, 16, 24, 36, 48 hours post-dose
Concentration at time 24 hours (C24) of oxycodone, as data permit.
Time frame: 0, 0.5, 1, 2, 4, 6, 8, 12, 14, 16, 24, 36, 48 hours post-dose
Adverse events, vital signs and laboratory parameters.
Time frame: 0, 0.5, 1, 2, 4, 6, 8, 12, 14, 16, 24, 36, 48 hours post-dose
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1X40 mg PF-00345439 formulation D capsule with water and under fed condition
40 mg oxycodone oral solution (5 mg/5 ml) with water and under fed condition