1,200
Participants
Start Date
March 31, 2023
Primary Completion Date
December 31, 2025
Study Completion Date
April 1, 2026
HH-120 Nasal Spray
HH-120 nasal spray 8 times per day for 7 consecutive days
Placebo
Placebo 8 times per day for 7 consecutive days
Beijing Ditan Hospital, Capital Medical University, Beijing
Huashan Hospital of Fudan University, Shanghai
Lead Sponsor
Huahui Health
INDUSTRY