Efficacy and safety of mepolizumab in a Chinese population with severe asthma: a phase III, randomised, double-blind, placebo-controlled trial oleh Ruchong Chen, Liping Wei, Yuanrong Dai, Zaiyi Wang, Danrong Yang, Meiling Jin, Cui Xiong, Ting Li, Shuling Hu, Jie Song, Robert Chan, Subramanya Kumar, Azza Abdelkarim, Nanshan Zhong