Zhejiang Kangenbei Chinese Medicine Co., Ltd.

(1) To preliminarily evaluate the effectiveness of compound houttuynia compound in treating acute pharyngitis (exogenous wind-heat syndrome) in shortening the course of disease, improving pharyngalgia symptoms and TCM syndromes in children, and to explore the optimal dosage. (2) To observe the safety of compound houttuynia compound in clinical application.

A single-center, randomized, double-blind, placebo-controlled phase I clinical trial to evaluate the safety, tolerability, and pharmacokinetics of single and multiple doses of Hedera helix oral solution in healthy Chinese subjects