The purpose of this study is to evaluate the PK of GDC-0853 following changes to formulation and in the presence or absence of food, the proton pump inhibitor (rabeprazole), or both. This will be a 3-part open-label randomized study conducted in healthy adult participants. Approximately 63 subjects will be enrolled in this study.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
63
Participants will receive different formulations of GDC-0853 tablet.
Participants will receive rabeprazole 20 mg twice daily (BID) for three days prior to GDC-0853 administration and a single dose coadministered with GDC-0853.
Quotient Clinical Ltd, Clinical Research Unit
Nottingham, United Kingdom
Maximum Observed Plasma Concentration (Cmax) of GDC-0853
Time frame: Pre-dose (within 1 hour) and 0.5 hours up to 72 hours post-dose on Day 1 of each Part
Time to Reach Maximum Observed Plasma Concentration (Tmax) of GDC-0853
Time frame: Pre-dose (within 1 hour) and 0.5 hours up to 72 hours post-dose on Day 1 of each Part
Area Under the Curve From Time Zero to Last Measurable Concentration [AUC (0-t)] of GDC-0853
Time frame: Pre-dose (within 1 hour) and 0.5 hours up to 72 hours post-dose on Day 1 of each Part
Area Under the Curve From Time Zero to Extrapolated Infinite Time [AUC (0-inf)] of GDC-0853
Time frame: Pre-dose (within 1 hour) and 0.5 hours up to 72 hours post-dose on Day 1 of each Part
Extrapolated Area Under the Curve (AUC Percent [%] Extrap) of GDC-0853
Time frame: Pre-dose (within 1 hour) and 0.5 hours up to 72 hours post-dose on Day 1 of each Part
Apparent Terminal Elimination Rate Constant of GDC-0853
Time frame: Pre-dose (within 1 hour) and 0.5 hours up to 72 hours post-dose on Day 1 of each Part
Apparent Volume of Distribution (Vz/F) of GDC-0853
Time frame: Pre-dose (within 1 hour) and 0.5 hours up to 72 hours post-dose on Day 1 of each Part
Apparent Oral Clearance (CL/F) of GDC-0853
Time frame: Pre-dose (within 1 hour) and 0.5 hours up to 72 hours post-dose on Day 1 of each Part
Relative Bioavailability (Frel) of GDC-0853
Time frame: Pre-dose (within 1 hour) and 0.5 hours up to 72 hours post-dose on Day 1 of each Part
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Apparent Terminal Elimination Half-Life (t1/2) of GDC-0853
Time frame: Pre-dose (within 1 hour) and 0.5 hours up to 72 hours post-dose on Day 1 of each Part
Percentage of Participants With Adverse Events (AEs)
Time frame: From screening to the end of the study (approximately a maximum of 11 weeks)