Methods: Fourteen boys with Duchenne or Becker muscular dystrophy, 6 to 11 years old, completed two treatment periods (albuterol and placebo), 12 weeks each, separated by a 12-week washout period.

• 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。