21
Participants
Start Date
November 3, 2020
Primary Completion Date
April 30, 2022
Study Completion Date
June 1, 2022
Gel containing Acetylated Natural Nucleotides
The study drug is a gel containing acetylated natural nucleotides.
Vehicle Gel
The vehicle gel contains no acetylated natural nucleotides but with the same base as study drug.
Shanghai East Hospital, Shanghai
Lead Sponsor
Nan xu
OTHER