This is an open-label study in healthy volunteers to evaluate the safety, tolerability and pharmacokinetics of four formulations of LY03009 (F1, F2, F3, F4) after a single intramuscular injection.~Approximately 40 healthy subjects are planned to be enrolled in this study and assigned to four cohorts (F1, F2, F3, F4) sequentially, 10 subjects per group at a fixed dose of 112 mg for F1~F3 and 224 mg for F4. Each subject will receive only one dose in this study.
The purpose of this study is to Evaluate the Safety, Tolerability and Pharmacokinetics of Four Formulations of LY03009 in Healthy Volunteers.