45名溃疡性结肠炎(UC)患者中,男性20例,女性25例。年龄17～51岁,平均32.3岁。病史1～23年,平均9.4年。病人随机分为3组,每组15人。3组病人于第一、三、五个6周时间内,分别接受泼尼松(20mg tid)、柳氮磺胺吡啶(1.5mg tid)、可乐定(0.3mg tid)治疗,于第二、四个6周时间内接受安 Forty-five patients with ulcerative colitis (UC), 20 males and 25 females. Age 17 ~ 51 years old, average 32.3 years old. A history of 1 to 23 years, an average of 9.4 years. Patients were randomly divided into 3 groups of 15 people each. Three groups of patients received prednisone (20 mg tid), sulfasalazine (1.5 mg tid), and clonidine (0.3 mg tid) respectively in the first, third and fifth six-week periods, An acceptable within 6 weeks