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Lookup NU author(s): Dr Robbie Foy, Dr Gillian Borthwick
This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).
© The Authors. BACKGROUND: The National Institute for Health and Care Excellence (NICE) 2020 guidelines recommends aspirin for colorectal cancer prevention for people with Lynch syndrome. Strategies to change practice should be informed by understanding the factors influencing prescribing. AIM: To investigate the optimal type and level of information to communicate with GPs to increase willingness to prescribe aspirin. DESIGN AND SETTING: GPs in England and Wales (n = 672) were recruited to participate in an online survey with a 23 factorial design. GPs were randomised to one of eight vignettes describing a hypothetical patient with Lynch syndrome recommended to take aspirin by a clinical geneticist. METHOD: Across the vignettes, the presence or absence of three types of information was manipulated: 1) existence of NICE guidance; 2) results from the CAPP2 trial; 3) information comparing risks/benefits of aspirin. The main effects and all interactions on the primary (willingness to prescribe) and secondary outcomes (comfort discussing aspirin) were estimated. RESULTS: There were no statistically significant main effects or interactions of the three information components on willingness to prescribe aspirin or comfort discussing harms and benefits. In total, 80.4% (540/672) of GPs were willing to prescribe, with 19.7% (132/672) unwilling. GPs with prior awareness of aspirin for preventive therapy were more comfortable discussing the medication than those unaware (P = 0.031). CONCLUSION: It is unlikely that providing information on clinical guidance, trial results, and information comparing benefits and harms will increase aspirin prescribing for Lynch syndrome in primary care. Alternative multilevel strategies to support informed prescribing may be warranted.
Author(s): Lloyd KE, Hall LH, Ziegler L, Foy R, Borthwick GM, MacKenzie M, Taylor DG, Smith SG
Publication type: Article
Publication status: Published
Journal: British Journal of General Practice
Year: 2023
Volume: 73
Issue: 729
Pages: e302-e309
Online publication date: 30/03/2023
Acceptance date: 27/09/2022
Date deposited: 13/04/2023
ISSN (print): 0960-1643
ISSN (electronic): 1478-5242
Publisher: Royal College of General Practitioners
URL: https://doi.org/10.3399/BJGP.2021.0610
DOI: 10.3399/BJGP.2021.0610
PubMed id: 36997217
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