71
Participants
Start Date
April 1, 2017
Primary Completion Date
October 30, 2018
Study Completion Date
October 30, 2018
sublingual immunotherapy drops
artemisia annua (sweet sagewort) allergen extract drops
Placebo drops
sublingual placebo drops
Beijing Tongren Hospital, Beijing
Zhejiang Wolwo Bio-Pharmaceutical Co., Ltd.
UNKNOWN
Beijing Tongren Hospital
OTHER