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Racecadotril Efficacy in the Symptomatic Treatment of Adult Acute Diarrhoea: A Systematic Review and Meta-Analysis

International Journal of Clinical Medicine 2014年第7期5卷 361-375页

作者： Jean-Marie Vetel Habib Hamza Benoit Coffin Philippe Lehert Geriatric Department Centre Hospitalier du MansLe MansFrance clinique taoufik TunisTunisia Hepatogastroenterology Department Louis-Mourier HospitalColombesFrance Faculty of Economics UCL MonsLouvainBelgium Faculty of Medicine The University of MelbourneMelbourneAustralia

The efficacy of racecadotril (RC), an intestinal antisecretory drug acting via an enkephalinase inhibition, was reviewed in paediatric acute diarrhoea but not yet in adults. Objective: To estimate the effectiveness of RC in the symptomatic treatment of acute diarrhoea in adults. Data Sources: A systematic review of MedLine, Cochrane Controlled Trials Register, DARE, and Embase (up to November 2013). Additional studies were identified by contacting clinical experts and the manufacturer. Study Selection and Appraisal: Randomized Controlled Trials performed in adults suffering from acute diarrhoea using RC in one treatment arm. Independent extraction of articles using predefined data fields, and methodological quality measurement assessment. All randomised trials performed in adults suffering from acute diarrhoea with RC as the studied group. Statistics: The main efficacy endpoint was diarrhoea duration defined as time to recovery compared between groups by survival techniques and converted into hazard ratio (HR). We exclusively used a random-effect meta-analytic model. Constipation proportion was the main safety endpoint, evaluated between treatments by the Relative Risks (RR). Results: Twelve randomised trials (2619 patients) met inclusion criteria. Duration of diarrhoea was much shorter in the RC group, the proportion of patients having recovered at any time of the treatment period was 65% higher in the RC group, compared with placebo (HR = 1.65 [1.38-1.97], p < 0.00001, n= 1001). Duration of diarrhoea was similar in the RC and loperamide groups (HR = 1.08 [0.95-1.22], p = 0.24, n = 1618). The proportions of constipated patients were similar in the RC and placebo groups 0.95 [0.24-3.68], p = 0.97), however, about 3 times more constipated patients were found in the loperamide group compared with the RC group (RR = 0.34 [0.22-0.51], p to placebo, RC is characterized by a clinically relevant earlier remission of diarrhoea. When compared to loperamide, diarrhoea duratio

关键词： Acute Diarrhoea Meta-Analysis Racecadotril

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Racecadotril in the Treatment of Acute Diarrhoea in Adults. An Individual Patient Data Based Meta-Analysis

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International Journal of Clinical Medicine 2014年第7期5卷 345-360页

作者： Benoit Coffin Habib Hamza Jean-Marie Vetel Philippe Lehert Hepatogastroenterology Department Louis-Mourier HospitalColombesFrance clinique taoufik TunisTunisia Geriatric Department Centre Hospitalier du MansLe MansFrance Faculty of Economics UCL MonsLouvainBelgium Faculty of Medicine The University of MelbourneMelbourneAustralia

Racecadotril is an antidiarrhoeal drug with a pure intestinal antisecretory mechanism of action. Aim: To assess racecadotril efficacy, whatever its dose, versus placebo in adult acute diarrhoea. Methods: Individual Patient Data meta-analysis following multilevel mixed models testing of the significance of the treatment effect adjusted for baseline covariates. Diarrhoea duration was the common main criteria. Results: Four randomized clinical trials (n = 669) were identified with raw data. The clinical global impression evaluated at baseline by the physician was found to be the essential predictor influencing the outcome. As compared to placebo, the 100 mg dose, the minimum effective dose, induced a 80% increase of the recovered patient proportion at anytime (Hazard Ratio = 1.8 [1.3, 2.5], p < 0.001), a 60% increase of the responder proportion i.e. recovery within 3 days (p < 0.001), a 47% reduction of abdominal pain and nausea and an overall 33% decrease of sick days (p < 0.001). In conclusion, as compared to placebo, racecadotril induced several significant effects, such as reducing the diarrhoea duration, the number of stools and associated symptoms, leading to less lost productivity.

关键词： Acute Diarrhoea Racecadotril Meta-Analysis

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