This study in healthy male and female volunteers will investigate the safety and tolerability of three increasing oral doses of tafamidis
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
TRIPLE
Enrollment
9
Pfizer Investigational Site
Singapore, Singapore, Singapore
To evaluate the safety and tolerability of orally administered tafamidis in healthy volunteers at escalating doses >120 mg. Safety assessments will include spontaneous reporting of adverse events, concomitant medications, physical examination,
Time frame: Day 0 and Day 6
vital signs, ECGs, and clinical laboratory tests.
Time frame: Day 0 and Day 6
Cmax - Maximum Observed Plasma Concentration (Cmax)
Time frame: 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72, 96, and 120 hrs
tmax - Time to Reach Maximum Observed Plasma Concentration (Tmax)
Time frame: 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72, 96, and 120 hrs
AUC0-24 - AreArea under the Concentration-Time Curve (AUC)
Time frame: 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72, 96, and 120 hrs
AUClast - Area Under the Curve From Time Zero to Last Quantifiable Concentration [AUC (0-t)]
Time frame: 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72, 96, and 120 hrs
AUCinf - Area Under the Curve From Time Zero to Extrapolated Infinite Time [AUC (0 - ∞)]
Time frame: 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72, 96, and 120 hrs
t½ - Plasma Decay Half-Life (t1/2)
Time frame: 0.5, 1, 1.5, 2, 3, 4, 6, 8, 12, 24, 48, 72, 96, and 120 hrs
Transthyretin blood concentration in mg/dL
Time frame: Days 0,1,2,3,4,5,6
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Transthyretin stabilization (%)
Time frame: Days 0,1,2,3,4,5,6