A Clinical Trial to Evaluate the Pharmacodynamics/Pharmacokinetics and Safety of LY03003 in Early PD Patients

Firstly, intramuscularly inject 14 mg of the study drug once, continue intramuscularly inject 28 mg of the study drug once after being observed for 1 week to confirm safety, continue intramuscularly inject 42 mg of the study drug once after being observed for 1 week to confirm safety, and prepare to enter the maintenance period of 56 mg dose after being observed for 1 week to confirm safety. During the dose maintenance period, 56 mg of the test drug was intramuscularly injected once a week for a total of 4 consecutive doses.

Firstly, intramuscularly inject 14 mg of the study drug once, continue intramuscularly inject 28 mg of the study drug once after being observed for 1 week to confirm safety, continue intramuscularly inject 42 mg of the study drug once after being observed for 1 week to confirm safety, and prepare to enter the maintenance period of 56 mg dose after being observed for 1 week to confirm safety. During the dose maintenance period, 56 mg of the test drug was intramuscularly injected once a week for a total of 4 consecutive doses.