Based on a pilot study of extended-release albuterol Repetabs in children with dystrophinopathies, the authors conducted a randomized, double-blind, placebo-controlled study with a crossover design.

• 基于沙丁胺醇缓释剂治疗肌营养不良症患儿的前期研究，作者进行了一项随机、双盲、安慰剂对照的交叉设计的研究。