The present invention provides a new pharmaceutical composition comprising olesoxime, its manufacture and its use for the treatment, delay of progression or amelioration of spinal muscular atrophy (SMA), its methods of treatment thereof.本發明提供一種包含奧利索西(olesoxime)之新穎醫藥組合物;其製造及其用於治療脊髓性肌萎縮(spinal muscular atrophy;SMA)、延緩SMA進展或改善SMA之用途;其治療SMA之方法。