100
Participants
Start Date
May 15, 2017
Primary Completion Date
June 12, 2018
Study Completion Date
August 15, 2018
Ginkgo Biloba Extract
Ginkgo biloba extract with 360mg was administered
Placebo oral tablet
Placebo with nine tables was administered
Beijing HuiLongGuan Hospital, Beijing
Beijing HuiLongGuan Hospital
OTHER