252
Participants
Start Date
March 31, 2024
Primary Completion Date
July 1, 2025
Study Completion Date
December 31, 2025
human histaglobulin
once 12 mg/2ml/bottle, 2 subcutaneous injection once a week, using 4 times in a row, a total of 28 d;
placebo
once 12 mg/2ml/bottle, 2 subcutaneous injection once a week, using 4 times in a row, a total of 28 d;
Loratadine 10 Mg
orally, 10mg once a day for 4 weeks
Hangzhou Grand Biologic Pharmaceutical, Inc.
INDUSTRY