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The impact of published guidance on trends in the pharmacological management of depression in children and adolescents- a whole population e-cohort data linkage study in Wales, UK

Amanda Marchant Orcid Logo, Joanna McGregor Orcid Logo, Marcos del Pozo Banos Orcid Logo, Keith Lloyd Orcid Logo, David Williams, A. Thapar, Alan Watkins Orcid Logo, Ann John Orcid Logo

Psychological Medicine, Pages: 1 - 13

Swansea University Authors: Amanda Marchant Orcid Logo, Joanna McGregor Orcid Logo, Marcos del Pozo Banos Orcid Logo, Keith Lloyd Orcid Logo, David Williams, Alan Watkins Orcid Logo, Ann John Orcid Logo

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Abstract

BackgroundThis study evaluated the impact of 2015/2016 prescribing guidance on antidepressant prescribing choices in children.MethodsA retrospective e-cohort study of whole population routine electronic healthcare records was conducted. Poisson regression was undertaken to explore trends over time f...

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Published in: Psychological Medicine
ISSN: 0033-2917 1469-8978
Published: Cambridge University Press (CUP) 2025
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa68230
Abstract: BackgroundThis study evaluated the impact of 2015/2016 prescribing guidance on antidepressant prescribing choices in children.MethodsA retrospective e-cohort study of whole population routine electronic healthcare records was conducted. Poisson regression was undertaken to explore trends over time for depression, antidepressant prescribing, indications and secondary care contacts. Time trend analysis was conducted to assess the impact of guidance. ResultsA total of 643,322 primary care patients in Wales UK, aged 6-17 years from 2010-2019 contributed 3,215,584 person-years of follow-up. Adjusted incidence of depression more than doubled (IRR for 2019 = 2.8[2.5-3.2]) with similar trends seen for antidepressants. Fluoxetine was the most frequently prescribed first-line antidepressant. Citalopram comprised less than 5% of first prescriptions in younger children but 22.9% (95% CI 22.0-23.8; 95% CI 2533) in 16–17-year-olds. Approximately half of new antidepressant prescribing was associated with depression. Segmented regression analysis showed that prescriptions of ‘all’ antidepressants, Fluoxetine and Sertraline were increasing before the guidance. This upward trend flattened for both ‘all’ antidepressants and Fluoxetine and steepened for Sertraline. Citalopram prescribing was decreasing significantly pre guidance being issued with no significant change afterward. Conclusions‘Targeted intervention is needed to address rising rates of depression in children. Practitioners are partially adhering to local and national guidance. The decision-making process behind prescribing choices is likely to be multi-factorial. Activities to support implementation of guidance should be adopted in relation to safety in prescribing of antidepressants in children including timely availability of talking therapies and specialist mental health services. Further research is needed to explore GPs' prescribing preferences.
Keywords: antidepressants; children; depression; policy; SSRIs; young people
College: Faculty of Medicine, Health and Life Sciences
Funders: This work was funded by MQ Mental Health Research Charity through the Adolescent Mental Health Data Platform (ADP) (Grant Reference MQBF/3ADP), MRC Pathfinder (MC_PC_17211) and ESRC funded ADR UK (grant ES/S007393/1). This work was supported by the Wolfson Centre for Young Peoples Mental Health (Grant Reference 517483) and by the MRC and HDRUK through DATAMIND (MR/W014386/1).
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