A Study of the Safety, Tolerability, Pharmacokinetics and Pharmacodynamic Effects of Single and Multiple Ascending Doses of GDC-0334 and the Effect of Food on the Pharmacokinetics of GDC-0334 in Healthy Adult Participants

Part 1: GDC-0334 given orally with dose escalation between cohorts, based on emerging safety and pharmacokinetic (PK) data. Parts 2 and 3: doses to be based on the safety, tolerability, and PK data generated in the study. The dosing duration in Part 3 is planned to be at least 14 days, but no longer than 28 days.

Participants will receive GDC-0334-matching placebo.