环孢霉素Ａ（ＣｓＡ）是一有效的免疫抑制剂，近年来用于治疗再生障碍性贫血（下简称重型再障），取得较好疗效，现将１９９５年１月～１９９７年１月以ＣｓＡ治疗及对照共１５例重型再障报告如下：１　临床资料１．１　一般资料　１５例随机分为２组，ＣｓＡ组７例，重型再障 Cyclosporine A (CsA) is a potent immunosuppressive agent, which has been used to treat aplastic anemia in recent years (hereinafter referred to as “severe aplastic anemia”) for its good curative effect. From January 1995 to January 1997, CsA treatment and control a total of 15 cases of aplastic anemia reported as follows: 1 Clinical data 1.1 General Information 15 patients were randomly divided into two groups, CsA group of 7 patients with severe aplastic anemia