126
Participants
Start Date
March 31, 2004
Primary Completion Date
April 30, 2006
Study Completion Date
April 30, 2006
Shi-Bi-Lin
4 weeks of treatment, dose of 1 g (two capsules), twice daily
Placebo
4 weeks of colormatched placebo capsules, dose of 1 g (two capsules), twice daily
Department of ENT, Prince of Wales Hospital, Hong Kong
Department of ENT, Yan Chai Hospital, Hong Kong
Chinese University of Hong Kong
OTHER