Consistent Efficacy of Wendan Decoction for the Treatment of Digestive Reflux Disorders.

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Consistent Efficacy of Wendan Decoction for the Treatment of Digestive Reflux Disorders.

Am J Chin Med. 2015;43(5):893-913

Authors: Ling W, Huang Y, Xu JH, Li Y, Huang YM, Ling HB, Sui Y, Zhao HL

Abstract
Gastroesophageal reflux disease (GERD) and bile reflux gastritis (BRG) are common gastrointestinal (GI) disorders with unmet medical needs. Traditional Chinese medicine has long been used for the treatment of GERD and BRG whereas the ginger-containing formula Wendan decoction (WDD) targets homeostatic disturbances characterized by "reflux" and "gut-juice exposure" problems. Here we used WDD as a therapeutic tool to unravel the common pathogenesis of GI reflux disorders. Control clinical trials reporting the WDD-treated patients with GERD and BRG were included in this systematic review and meta-analysis. Outcome measurements were clinical efficacy defined by symptom relief with normal GI endoscopy, radiology, and pathology. Eventually, 33 studies involved 3253 participants (1351 vs. 1035 of the BRG in 20 publications, 449 vs. 418 of the GERD in 13 studies, and 194 vs. 159 of relapse rate in 6 trials). Pooled data showed a consistent therapeutic efficacy of WDD on BRG (OR = 6.00, 95%C = 4.68-7.69) and GERD (OR = 4.39, 95%CI = 2.72-7.07). The relapse rate was 12.4% for WDD, significantly lower than 44.0% for conventional therapies (OR = 0.14, 95%CI = 0.08-0.26). The consistent therapeutic efficacy of the single TCM formula on GERD and BRD indirectly indicates reflux as a common pathogenesis in reflux-associated GI disorders.

PMID: 26243580 [PubMed - indexed for MEDLINE]

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