Does high-dose allopurinol prevent post-ERCP pancreatitis?


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Katsinelos P et al. (2005) High-dose allopurinol for prevention of post-ERCP pancreatitis: a prospective randomized double-blind controlled trial. Gastrointest Endosc 61: 407–415


Allopurinol inhibits the generation of oxygen-derived free radicals and it has been postulated that this xanthine oxidase inhibitor might prevent post-endoscopic retrograde


cholangiopancreatography (ERCP) pancreatitis. Despite promising results in animal models, prospective studies using a standard dose of allopurinol have not been successful in humans. In a


prospective, randomized, double-blind, placebo-controlled trial, Katsinelos and colleagues found that in patients given high-dose, oral allopurinol before treatment, post-ERCP pancreatitis


occurred less frequently.


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