100
Participants
Start Date
June 30, 2006
Primary Completion Date
November 30, 2007
Study Completion Date
November 30, 2007
Levocetirizine
Intake of 1 tablet of Levocetirizine 5mg OD for 8 weeks
Placebo
1 tablet OD in the morning for 8 weeks
Department of ORL, West China Hospital, Sichuan Hospital, Chengdu
Collaborators (1)
UCB Pharma
INDUSTRY
Institut für Atemwegsforschung GmbH
INDUSTRY