Do H2-receptor antagonists cause acute pancreatitis?

Josie M M Evans (Lead / Corresponding author), Alex D. McMahon, Douglas T. Steinke, Ritchie R. McAlpine, Thomas M. MacDonald

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    8 Citations (Scopus)

    Abstract

    The aim of this study was to investigate the association between H2-receptor antagonists and acute pancreatitis. The automated database of the Medicines Monitoring Unit (MEMO) was used to carry out a case-control study, supplemented with information on possible confounding factors from hospital and GP medical records. Cases were patients hospitalized with a computerized diagnosis of acute pancreatitis, and two sets of controls were drawn from (1) the study population and from (2) the same GP practice as the case. Current or 60-day exposure to cimetidine and ranitidine was analysed. In adjusted analyses, cimetidine exposure and ranitidine exposure were associated with an increased risk of hospitalization for acute pancreatitis, as were alcohol abuse and cholelithiasis. The risks were lower in unadjusted analyses, suggesting that the association is confounded, although they did not disappear completely. A possible explanation is that data on confounding were incomplete. This study cannot discount the existence of an association between H2-antagonists and acute pancreatitis, and highlights the diffficulties involved in obtaining complete and accurate data on confounding factors that are not collected routinely.

    Original languageEnglish
    Pages (from-to)383-388
    Number of pages6
    JournalPharmacoepidemiology and Drug Safety
    Volume7
    Issue number6
    DOIs
    Publication statusPublished - Nov 1998

    Keywords

    • Automated database
    • Case-control study
    • Confounding
    • H-receptor antagonists
    • Pancreatitis

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