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dc.contributor.authorHálfdánarson, Óskar Ö
dc.contributor.authorPottegård, Anton
dc.contributor.authorBjörnsson, Einar S
dc.contributor.authorLund, Sigrún H
dc.contributor.authorOgmundsdottir, Margret H
dc.contributor.authorSteingrímsson, Eiríkur
dc.contributor.authorOgmundsdottir, Helga M
dc.contributor.authorZoega, Helga
dc.date.accessioned2018-10-23T11:29:19Z
dc.date.available2018-10-23T11:29:19Z
dc.date.issued2018-01-01
dc.date.submitted2018-10
dc.identifier.citationProton-pump inhibitors among adults: a nationwide drug-utilization study. 2018, 11: doi: 10.1177/1756284818777943 Therapeutic advances in gastroenterologyen_US
dc.identifier.issn1756-283X
dc.identifier.pmid29872455
dc.identifier.doi10.1177/1756284818777943
dc.identifier.urihttp://hdl.handle.net/2336/620705
dc.descriptionTo access publisher's full text version of this article, please click on the hyperlink in Additional Links field or click on the hyperlink at the top of the page marked Filesen_US
dc.description.abstractThe use of proton-pump inhibitors (PPIs) has grown worldwide, and there are concerns about increased unsubstantiated long-term use. The aim of the study was to describe the real-world use of PPIs over the past decade in an entire national population. This was a nationwide population-based drug-utilization study. Patterns of outpatient PPI use among adults in Iceland between 2003 and 2015 were investigated, including annual incidence and prevalence, duration of use, and dose of tablet used (lower We observed 1,372,790 prescription fills over the entire study period, of which 95% were for higher-dose PPIs. Annual incidence remained stable across time (3.3-4.1 per 100 persons per year), while the annual prevalence increased from 8.5 per 100 persons to 15.5 per 100 persons. Prevalence increased with patient age and was higher among women than men. Duration of treatment increased with patients' age (36% of users over 80 years remained on treatment after 1 year compared with 13% of users aged 19-39 years), and was longer among those initiating on a higher dose compared with a lower dose. The proportion of PPI users concurrently using nonsteroidal anti-inflammatory drugs decreased over the study period, while the proportion concurrently using acetylsalicylic acid, oral anticoagulants, or platelet inhibitors increased. In this nationwide study, a considerable increase in overall outpatient use of PPIs over a 13-year period was observed, particularly among older adults. Patients were increasingly treated for longer durations than recommended by clinical guidelines and mainly with higher doses.en_US
dc.description.sponsorshipUniversity of Iceland Research Fund Icelandic Research Funden_US
dc.language.isoenen_US
dc.publisherSage Publicationsen_US
dc.relation.urlhttp://journals.sagepub.com/doi/10.1177/1756284818777943en_US
dc.subjectincidenceen_US
dc.subjectnationwideen_US
dc.subjectpharmacoepidemiologyen_US
dc.subjectprevalenceen_US
dc.subjectproton-pump inhibitorsen_US
dc.subjecttreatment durationen_US
dc.subjectMeltingarfærasjúkdómaren_US
dc.subjectLyfjanotkunen_US
dc.subjectLyfjameðferðen_US
dc.subject.meshProton Pump Inhibitorsen_US
dc.subject.meshPharmacoepidemiologyen_US
dc.titleProton-pump inhibitors among adults: a nationwide drug-utilization study.en_US
dc.typeArticleen_US
dc.contributor.department1 Centre of Public Health Sciences, Faculty of Medicine, University of Iceland, Sturlugata 8, 101 Reykjavík, Iceland. 2 Clinical Pharmacology and Pharmacy, University of Southern Denmark, Odense, Denmark. 3 Department of Internal Medicine, The National University Hospital of Iceland, Reykjavik, Iceland, and Faculty of Medicine, University of Iceland, Reykjavik, Iceland. 4 Centre of Public Health Sciences, Faculty of Medicine, University of Iceland, Reykjavík, Iceland. 5 Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Iceland, Reykjavik, Iceland. 6 Cancer Research Laboratory, Faculty of Medicine, University of Iceland, Reykjavik, Iceland. 7 Centre of Public Health Sciences, Faculty of Medicine, University of Iceland, Reykjavík, Iceland, and Medicines Policy Research Unit, Centre for Big Data Research in Health, University of New South Wales, Sydney, New South Wales, Australia.en_US
dc.identifier.journalTherapeutic advances in gastroenterologyen_US
dc.rights.accessOpen Access - Opinn aðganguren_US
dc.departmentcodeEND12
dc.source.journaltitleTherapeutic advances in gastroenterology
refterms.dateFOA2018-10-23T11:29:20Z


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