Objective: To observe the ADRs and efficacy of 153Sm-EDTMP combined with MPA in treatment of bone pain in metastatic cancer patients.

• 目的:观察153钐-乙二胺四亚甲基膦酸(153Sm-EDTMP)联合甲孕酮(MPA)治疗多发性骨转移癌骨痛疗效、不良反应及对生活质量的影响。