This is a two-part, randomized, double-blind, placebo-controlled study evaluating the safety and pharmacokinetics (PK) of a single ascending dose of STI-1558 in healthy subjects and the safety, PK and efficacy of a multiple ascending dose in SARS-CoV-2-positive subjects.
The purpose of this study is to evaluate the safety of STI-1558 in healthy subjects and the safety, pharmacokinetics, and efficacy in SARS-CoV-2-Positive subjects.