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BACKGROUND Recent studies have compared the utility of rectal indomethacin with topical epinephrine (IE) sprayed on duodenal papilla and rectal indomethacin alone (IS) to prevent post-ERCP pancreatitis (PEP) with conflicting results. We performed a systematic review and meta-analysis to evaluate the benefit of using the combination prophylaxis as oppose to rectal indomethacin alone. METHODS The following database were searched for our systematic review PubMed∖Medline, Embase, Cochrane, and Web of Science. We included both randomized c