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Am J Gastroenterol. 1996 Apr;91(4):660-73.

Drug treatment of functional dyspepsia: a systematic analysis of trial methodology with recommendations for design of future trials.

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  • 1Division of Gastroenterology, Department of Medicine, Dalhousie University, Halifax, Canada.

Abstract

OBJECTIVES:

To evaluate drug treatment of functional dyspepsia (including Helicobacter pylori) and provide guidelines for future trials based on a critical systematic overview of published studies.

METHODS:

Data sources were a Medline search for articles published in English going back to 1966 and a manual search of four GI journals going back to 1980. Original randomized, double-blind, placebo-controlled trials were selected that enrolled at least 20 patients. Using a standardized, pretested data extraction form, studies were evaluated independently by two observers for study design, outcome measures, and results.

RESULTS:

Fifty two eligible studies were evaluated. Many studies suffered from important weaknesses in study design and execution. Only five studies used previously validated outcome measures.

CONCLUSIONS:

Because of suboptimal design and/or unclear presentation of the data, none of the trials provided unequivocal evidence that there is efficacious therapy for the treatment of functional dyspepsia.

Comment in

PMID:
8677926
[PubMed - indexed for MEDLINE]
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