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Long-term use of proton-pump inhibitors : whole-of-population patterns in Australia 2013–2016

Long-term use of proton-pump inhibitors : whole-of-population patterns in Australia 2013–2016


Title: Long-term use of proton-pump inhibitors : whole-of-population patterns in Australia 2013–2016
Author: Daniels, Benjamin
Pearson, Sallie Anne
Buckley, Nicholas A.
Bruno, Claudia
Zoega, Helga   orcid.org/0000-0003-0761-9028
Date: 2020
Language: English
Scope: 1180653
Department: Faculty of Medicine
Series: Therapeutic Advances in Gastroenterology; 13()
ISSN: 1756-283X
DOI: 10.1177/1756284820913743
Subject: long-term; population-based; proton-pump inhibitor; Gastroenterology
URI: https://hdl.handle.net/20.500.11815/3417

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Citation:

Daniels , B , Pearson , S A , Buckley , N A , Bruno , C & Zoega , H 2020 , ' Long-term use of proton-pump inhibitors : whole-of-population patterns in Australia 2013–2016 ' , Therapeutic Advances in Gastroenterology , vol. 13 . https://doi.org/10.1177/1756284820913743

Abstract:

Background: Proton-pump inhibitors (PPIs) are among the most prescribed medicines worldwide and concern about their long-term use is growing. We used dispensing claims for every person in Australia dispensed publicly subsidized PPIs between 2013 and 2016 to determine the incidence and prevalence of PPI use and to examine the patterns and durations of PPI treatment among individuals continuing treatment beyond the guideline-recommended maximum 12 weeks. Methods: We estimated annual prevalence and incidence per 100 people and duration of treatment for every Australian dispensed publicly subsidized PPIs between 2013 and 2016. We examined patterns of PPI treatment in three patient subgroups using PPIs for more than 12 weeks duration; people receiving maintenance, long-term continuous or long-term intermittent treatment. We calculated the proportion in each subgroup stepping down from higher to lower PPI strengths, stepping up from lower to higher PPI strength and discontinuing treatment. Results: PPIs were dispensed to 4,388,586 people; 60% were women; median age at initiation was 52 years [interquartile range (IQR): 36–65]. Standard and high strength PPIs accounted for 95% of dispensings. Annual incidence and prevalence were 3.9/100 and 12.5/100, respectively, in 2016 and highest among individuals over 65 years (prevalence range: 33–43/100). Most people (67%) stopped treatment after one dispensing; while 25%, 6% and 10% continued on maintenance, long-term continuous and long-term intermittent treatment, respectively. Median duration of treatment in people continuing treatment was 501 days (IQR: 180–not reached) for maintenance treated individuals and ‘not reached’ for long-term treated individuals. We observed 35%, 20% and 47% of people stepping down from higher to lower treatment strengths on maintenance, long-term continuous and long-term intermittent treatment, respectively. Conclusions: Longer-term treatment with higher strength PPIs is common. Targeted regulation of PPI prescribing may improve the uptake of lower strength formulations and reduce both harms and costs associated with long-term PPI treatment.

Description:

Funding The authors disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This work was supported by the Australian Government Department of Health and the NHMRC Centre of Research Excellence in Medicines and Ageing (CREMA; ID: 1060407). HZ is supported by a UNSW Scientia Fellowship. The funders of the study had no role in the data analysis, interpretation or drafting of the final manuscript. Publisher Copyright: © The Author(s), 2020.

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