[Translation] A multicenter, randomized, double-blind, placebo-controlled phase II clinical trial on the efficacy and safety of Yinhuang Drop Pills in the treatment of recurrent oral ulcers (upper-jiao heat syndrome)
1. 以安慰剂为对照,初步评价银黄滴丸治疗复发性口腔溃疡(上焦实热证)的有效性;
2. 观察银黄滴丸临床应用的安全性;
3. 探索银黄滴丸治疗复发性口腔溃疡(上焦实热证)的最佳剂量。
[Translation] 1. To preliminarily evaluate the effectiveness of Yinhuang Pills in treating recurrent oral ulcers (upper-jiao heat syndrome) with placebo as control;
2. To observe the safety of Yinhuang Pills in clinical application;
3. To explore the optimal dose of Yinhuang Pills in treating recurrent oral ulcers (upper-jiao heat syndrome).