This study is a randomized, double-blinded, placebo-controlled, 2-part Phase I study to evaluate the safety, tolerability, and pharmacokinetics of single and multiple ascending doses of SR750 in healthy volunteers. This study includes 2 parts:~Part A is a double-blind, randomized, placebo-controlled, single-dose escalation study of SR750 in healthy volunteers.~Part B is a double-blind, randomized, placebo-controlled, repeated-dose escalation study of SR750 in healthy volunteers.
This study is to evaluate the safety, tolerability, and PK of SR750 in healthy volunteers.