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|Title:||Proton pump inhibitors and risk of Clostridium difficile infection: a multi-country study using sequence symmetry analysis|
|Citation:||Expert Opinion on Drug Safety, 2016; 15(12):1589-1595|
|Publisher:||Taylor & Francis|
|Elizabeth E Roughead, Esther W Chan, Nam-Kyong Choi, Jenna Griffiths, Xue-Mei Jin ... Nicole L Pratt ... et al.|
|Abstract:||Objective: To determine the association between incident proton pump inhibitor (PPI) use and Clostridium difficile infections across multiple countries Method: National data covering the total population in Australia and Korea, the Canadian population over 65 years and a 3 million person random sample data set from Taiwan were assessed, as were data from a worker insurance population and a hospital inpatient/outpatient population in Japan. Sequence symmetry analysis was used to assess the association with oral vancomycin dispensing as the outcome of interest. Results: 54,957 patients were included. Positive associations were observed in Australia; adjusted sequence ratio (ASR) 2.48 (95% CI 1.90, 3.12), Korea ASR 2.15 (95%CI 2.11, 2.19), Canada ASR 1.45 (95% CI 1.16, 1.79), Japan hospital dataset ASR 3.21 (95%CI 2.12, 4.55) and Japan worker insurance dataset ASR 5.40 (95% CI 2.73, 8.75). The pooled result was ASR 2.40 (95%CI 1.88, 3.05) and 3.16 (95%CI 1.95, 5.10) when limited to Japan, Korean and Taiwan. Results did not vary by individual PPI. The temporal analysis showed effects within the first two weeks of PPI initiation. Conclusion: Our study confirms the association between PPI initiation and C. difficile infections across countries in the Asia-Pacific region.|
|Keywords:||Proton pump inhibitors; Clostridium difficile; adverse event; Asia; sequence symmetry analysis|
|Rights:||© 2016 Informa UK Limited, trading as Taylor & Francis Group|
|Appears in Collections:||Pharmacology publications|
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