铝碳酸镁咀嚼片治疗功能性消化不良上腹痛综合征的多中心、随机、开放、平行阳性对照临床研究

Evaluation of hydrotalcite in treatment of functional dyspepsia epigastric pain syndrome： a multicenter randomized open positive controlled clinical trial

目的 评价铝碳酸镁咀嚼片治疗功能性消化不良上腹痛综合征的有效性及安全性,并探讨其在首次服药后的起效时间和药物经济学.方法 采用多中心、随机、开放、平行阳性对照设计.将240例功能性消化不良上腹痛综合征患者随机分为铝碳酸镁组和奥美拉唑组,各组连续服药2周.观察治疗后临床症状的改善情况和铝碳酸镁组服药后症状消失时间.同时比较两组药物的成本效应.结果 治疗1周及2周后两组患者的临床症状均得到显著改善.治疗2周后,铝碳酸镁片组总有效率为85.71%;奥美拉唑组总有效率为90.43%.两组间差异无统计学意义（P＞0.05）.患者在上腹痛发生后,首次服用铝碳酸镁后上腹痛缓解的中位起效时间估计值为0.417 h.铝碳酸镁组平均每治疗1例有效患者的费用为122.29元,奥美拉唑组为242.95元.不良反应主要为腹泻、口干、腹胀、头痛和打嗝等,两组均未发生严重不良事件.结论 铝碳酸镁咀嚼片能通过多种作用途径快速缓解功能性消化不良患者上腹痛综合征的临床症状,且安全有效,其成本效应比显著优于奥美拉唑肠溶胶囊.

Objective To evaluate the clinical efficacy and safety of hydrotalcite chewable tablets in treatment of patients with functional dyspepsia epigastric pain syndrome（EPS）, and to investigate the onset time of hydrotalcite after the first dosage and whether use of hydrotalcite in EPS is a costeffective strategy. Methods A multicenter, randomized, open, positive controlled clinical trial was carried out in 240 patients with EPS. The subjects randomly received eigher hydrotalcite or omeprazole for 2 weeks. The improvemcnt and the disappear time of symptoms were evaluated before and after treatment and cost-effective was analyzed between two groups. Results It was demonstrated that both hydrotalcite and omeprazole could relief symptoms after treatment. After treatment for 2 weeks, the total effective rate was 85. 71% in hydrotalcite group and 90. 43% in omeprazole group with no significant difference （P＞0.05）. The median onset time of hydrotalcite after first dosage was 0.417 h. The overall direct cost per patient was RMB ￥122. 29 for hydrotalcite treatment and RMB ￥242.95 for omeprazole treatment. The main adverse events included diarrhea, thirst, bloating,headache and belching. No severe adverse event was found in two groups. Conclusions Hydrotalcite has fast effect on relief of EPS symptoms. Use of hydrotalcite is a cost-effective strategy in the management of EPS. It is a safe and effective medicine in treatment of EPS.