Methods 81 patients with moderate or severe cancer pain were randomly divided into two groups, 46 in group Durogesic, 51 in group MS contin.

• 方法：81例患者随机分为两组，多瑞吉组43例，美施康定组38例，分别就其疗效、生活质量改善情况以及不良反应等方面进行评价。