Methods:A multicentric open label clinical study was used and 120 patient with cancer pain were enrolled.they were treated with buprenorphine hydrochloride sublingual tablets.

• 方法:采用多中心开放试验,对120例癌痛患者用盐酸丁丙诺啡舌下片进行治疗,观察镇痛效果、生活质量和不良反应。