This study will be comprised of a Phase 1b part conducted in Japan and a Phase 2/3 part. The Phase 1b part of the study will be open-label and will evaluate the pharmacokinetics (PK), pharmacodynamics (PD), safety, and tolerability of daily doses of 5 mg tinlarebant, administered for 7 days, in Japanese subjects with Stargardt Disease (STGD1). The Phase 2/3 part of the study will be randomized, double masked, and placebo controlled to evaluate the safety, tolerability, and efficacy of daily doses of 5 mg tinlarebant, administered for 24 months, in subjects with STGD1.
