A Randomized, Double-blind, Placebo-controlled, Multicenter Phase Ⅲ Clinical Trial on the Efficacy and Safety of Xuanhuang Runtong Tablet in Treating Constipation (Yin-deficiency Type).
This trial is a randomized, double-blind, placebo-controlled parallel-group, multicenter Phase III clinical trial. It is to evaluate the efficacy and safety of Xuanhuang Runtong Tablets in subjects with constipation (Yin-deficiency type) after 4 weeks of treatment.