The main objective of this study is to estimate the effect of food on sildenafil pharmacokinetics after administration of Powder Oral Suspension (POS) formulation of sildenafil citrate.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
NONE
Enrollment
12
2 mL of POS formulation of sildenafil citrate 10 mg/mL (equivalent to 20 mg dose), single dose
2 mL of POS formulation of sildenafil citrate 10 mg/mL (equivalent to 20 mg dose), single dose
Pfizer Investigational Site
Singapore, Singapore
Maximum Observed Plasma Concentration (Cmax) of sildenafil
Time frame: 0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 6, 8, 10, 12,14 hours post-dose
Area Under the Curve From Time Zero to Extrapolated Infinite Time [AUC (0 - ∞)] of sildenafil
Time frame: 0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 6, 8, 10, 12,14 hours post-dose
Area under the plasma concentration time-curve from zero to the last measured concentration (AUClast) of sildenafil
Time frame: 0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 6, 8, 10, 12,14 hours post-dose
Time to Reach Maximum Observed Plasma Concentration (Tmax)of sildenafil
Time frame: 0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 6, 8, 10, 12,14 hours post-dose
Plasma Decay Half-Life (t1/2) of sildenafil
Time frame: 0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 6, 8, 10, 12,14 hours post-dose
Maximum Observed Plasma Concentration (Cmax) of UK-103,320
Time frame: 0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 6, 8, 10, 12,14 hours post-dose
Area Under the Curve From Time Zero to Extrapolated Infinite Time [AUC (0 - ∞)] of UK-103,320
Time frame: 0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 6, 8, 10, 12,14 hours post-dose
Area Under the Curve From Time Zero to Last Quantifiable Concentration (AUClast) of UK-103,320
Time frame: 0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 6, 8, 10, 12,14 hours post-dose
Time to Reach Maximum Observed Plasma Concentration (Tmax) of UK-103,320
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Time frame: 0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 6, 8, 10, 12,14 hours post-dose
Plasma Decay Half-Life (t1/2) of UK-103,320
Time frame: 0, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 6, 8, 10, 12,14 hours post-dose