[Translation] Randomized, double-blind, placebo, dose-response controlled phase II clinical trial of Bufei Granules for the efficacy and safety of chronic obstructive pulmonary disease in stable phase
1.初步评价补肺颗粒用于慢性阻塞性肺疾病( COPD) 稳定期( 肺脾肾虚、 痰瘀互结证) 的有效性; 2.观察补肺颗粒的安全性; 3.探索补肺颗粒用于 COPD 稳定期的最佳用药剂量。
[Translation] 1. Preliminary evaluation of the effectiveness of Bufei Granules for chronic obstructive pulmonary disease (COPD) in stable stage (lung, spleen and kidney deficiency, phlegm and blood stasis syndrome); 2. To observe the safety of Bufei Granules; 3. To explore Bufei Granules Optimal dosage for stable COPD.