• 1. Department of Gastroenterology,The Second People Hospital of Ya’an,Ya’an 625000, China;2. Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu 610041, China;
WANG Yiping, Email: wqr0835@163.com
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Objective  To evaluate the effectiveness and safety of probiotic agents for ulcerative colitis.
Methods  We searched electronically the Cochrane Central Register of Controlled Trials (Issue 1, 2007), MEDLINE (1978 to 2007), EMBASE (1978 to 2007), OVID Database (1978 to 2007), Chinese Biological Medicine Database (CBM Disc) (1978 to 2007), CNKI (1979 to 2007), Chinese VIP Database (1989 to 2007) and Wanfang Database (1978 to 2007). We also checked the reference lists of retrieved articles and hand-searched 4 kinds of important journals to identify randomized controlled trials of probiotic agents for ulcerative colitis. Meta-analyses were conducted with The Cochrane Collaboration’s RevMan 4.2 software.
Results  Thirteen trials involving 1146 patients were included. Meta-analyses showed that probiotic agents were not superior to aminosalicylates for the clinical remission rate (OR 0.93, 95% CI 0.53 to 1.66; P=0.82); but the combination of probiotic agents and aminosalicylates were superior to aminosalicylates alone (OR 2.69, 95% CI 1.57 to 4.61; P=0.0003). In terms of the clinical relapse, the rate for probiotic agents was superior to that for placebo (OR 0.03, 95% CI 0.00 to 0.15; P lt;0.0001); but not superior to aminosalicylates (OR 0.95, 95% CI 0.65 to 1.38; P=0.79). The combination of probiotic agents and aminosalicylates was not superior to aminosalicylates alone (OR 0.57, 95% CI 0.24 to 1.32; P=0.19). As for the incidence of adverse effects, probiotic agents were not superior to aminosalicylates (OR 0.85, 95% CI 0.43 to 1.70; P=0.65); and the combination of probiotic agents and aminosalicylates was not superior to aminosalicylates alone (OR 0.30, 95% CI 0.06 to 1.54; P=0.15).
Conclusion  Probiotic agents are not superior to aminosalicylates based on the evidence in this review, but the combination of probiotic agents and aminosalicylates is superior to aminosalicylates alone in maintaining remission. Probiotic agents are superior to placebo but not superior to aminosalicylates, and the combination of probiotic agents and aminosalicylates is not superior to aminosalicylates alone in preventing relapse. Probiotic agents have good tolerability. However, all these findings should be interpreted with caution and more clinical trials are needed.

Citation: WU Qiurong,ZHOU Jun,HE Jidong,WANG Yiping,YANG Xiurong,ZHANG Lan. Probiotic Agents for Ulcerative Colitis: A Systematic Review. Chinese Journal of Evidence-Based Medicine, 2008, 08(5): 315-321. doi: 10.7507/1672-2531.20080071 Copy

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