由四川医学院药学系,中国科学院成都有机化学研究所、中国医学科学院生物医学工程研究所等有关单位人员,共同设计、研制成功女性长效避孕药“复方甲地孕酮微囊注射液”。这种新剂型是以明胶和阿拉伯胶为包囊材料,将甲地孕酮和戊酸雌二醇包在微胶囊内,将微囊药液制成灭菌注射液,每支安瓿含药液2毫升,每月肌肉注射一支可避孕一个月,有效率达百分之99.12％。本药便于保存,有效期可达两年以上。 By the Sichuan Medical College of Pharmacy, Chinese Academy of Sciences, Chengdu Institute of Organic Chemistry, Chinese Academy of Medical Sciences Institute of Biomedical Engineering and other relevant personnel to jointly design and develop a successful female long-acting contraceptives “compound megestrol microcapsule injection.” The new formulation is based on gelatin and acacia as encapsulating material, the megestrol and estradiol valerate in the microcapsules, the microcapsules made of sterile liquid injection injection, each containing liquid ampoule 2 ml, a monthly intramuscular contraception can be a month, the effective rate of 99.12%. The drug is easy to save, valid for up to two years.