Journal
WORLD JOURNAL OF GASTROENTEROLOGY
Volume 20, Issue 32, Pages 11422-11428Publisher
BAISHIDENG PUBLISHING GROUP INC
DOI: 10.3748/wjg.v20.i32.11422
Keywords
Irritable bowel syndrome; Anxiety; Tandospirone; Efficacy; Safety
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AIM: To investigate the efficacy of tandospirone in patients with irritable bowel syndrome-diarrhea (IBS-D) and anxiety in a prospective, randomized, controlled study. METHODS: Two hundred patients with IBS-D and moderate anxiety were randomized to receive pinaverium and tandospirone (arm A) or pinaverium and placebo (arm B). Tandospirone or placebo was given thrice daily at a fixed dose of 10 mg and pinaverium was given thrice daily at a fixed dose of 50 mg. The duration of treatment was 8 wk. Patients were assessed for abdominal pain and diarrhea. Anxiety was evaluated using the Hamilton Rating Scale for Anxiety (HAM-A). The primary study endpoints were response rates for abdominal pain and diarrhea. The secondary study endpoints were response rates for anxiety. Adverse events were also evaluated. RESULTS: One hundred and seventy of 200 patients (82 patients in arm A and 88 patients in arm B) completed the study. Demographic and baseline characteristics of the 200 participants were comparable in the two arms. At week 8, the overall response rate for abdominal pain and diarrhea was 52.0% for arm A and 37.0% for arm B (P < 0.05). The HAM-A score showed that the response rate was 61.0% for arm A and 21.0% for arm B (P < 0.01). The treatments were well tolerated and no significant adverse events were reported. CONCLUSION: Tandospirone is effective and can be combined with pinaverium in IBS-D patients with anxiety. (C) 2014 Baishideng Publishing Group Inc. All rights reserved.
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