281
Participants
Start Date
October 20, 2022
Primary Completion Date
December 6, 2022
Study Completion Date
December 6, 2022
HH-120 nasal spray 1
HH-120 nasal spray 5 times daily for 3 consecutive days
HH-120 nasal spray 2
HH-120 nasal spray 8 times daily for 3 consecutive days
Placebo Comparator 1
Placebo nasal spray 5 times daily for 3 consecutive days
Placebo Comparator 2
Placebo nasal spray 8 times daily for 3 consecutive days
Beijing Ditan Hospital,Capital Medical University, Beijing
Beijing Ditan Hospital
OTHER