Clinical Study to Evaluate the Efficacy and Safety of Huperzine A Controlled-Release Tablets in Patients With Mild-to-Moderate Dementia of the Alzheimer's Type
Conditions
Interventions
- DRUG: Huperzine A Controlled-Release Tablets
- DRUG: Donepezil hydrochloride tablets
- DRUG: Huperzine A controlled-release tablets placebo; Donepezil hydrochloride tablets placebo
Sponsor
Wanbangde Pharmaceutical Group Co., LTD