Genome-wide association study of antidepressant treatment resistance in a population-based cohort using health service prescription data and meta-analysis with GENDEP

Eleanor M. Wigmore, Jonathan D. Hafferty, Lynsey S. Hall, David M. Howard, Toni Kim Clarke, Chiara Fabbri, Cathryn M. Lewis, Rudolf Uher, Lauren B. Navrady, Mark J. Adams, Yanni Zeng, Archie Campbell, Jude Gibson, Pippa A. Thomson, Caroline Hayward, Blair H. Smith, Lynne J. Hocking, Sandosh Padmanabhan, Ian J. Deary, David J. PorteousOle Mors, Manuel Mattheisen, Kristin K. Nicodemus, Andrew M. McIntosh

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55 Citations (Scopus)

Résumé

Antidepressants demonstrate modest response rates in the treatment ofmajor depressive disorder (MDD). Despite previous genome-wide association studies(GWAS) of antidepressant treatment response, the underlying genetic factors areunknown. Using prescription data in a population and family-based cohort (GenerationScotland: Scottish Family Health Study; GS:SFHS), we sought to define a measure of(a) antidepressant treatment resistance and (b) stages of antidepressant resistanceby inferring antidepressant switching as non-response to treatment. GWAS wereconducted separately for antidepressant treatment resistance in GS:SFHS and theGenome-based Therapeutic Drugs for Depression (GENDEP) study and then meta-analysed(meta-analysis n = 4213, cases = 358). For stagesof antidepressant resistance, a GWAS on GS:SFHS only was performed (n = 3452). Additionally, we conducted gene-setenrichment, polygenic risk scoring (PRS) and genetic correlation analysis. We didnot identify any significant loci, genes or gene sets associated with antidepressanttreatment resistance or stages of resistance. Significant positive geneticcorrelations of antidepressant treatment resistance and stages of resistance withneuroticism, psychological distress, schizotypy and mood disorder traits wereidentified. These findings suggest that larger sample sizes are needed to identifythe genetic architecture of antidepressant treatment response, and thatpopulation-based observational studies may provide a tractable approach to achievingthe necessary statistical power.

Langue d'origineEnglish
Pages (de-à)329-341
Nombre de pages13
JournalPharmacogenomics Journal
Volume20
Numéro de publication2
DOI
Statut de publicationPublished - avr. 1 2020

Note bibliographique

Funding Information:
Acknowledgements This investigation was supported by the Wellcome Trust 104036/Z/14/Z (STRADL, Stratifying Resilience and Depression Longitudinally). Generation Scotland received core funding from the Chief Scientist Office of the Scottish Government Health Directorate CZD/16/6 and the Scottish Funding Council HR03006. We thank all families, practitioners and the Scottish School of Primary Care involved in the recruitment process as well as the entirety of Generation Scotland team; interviewers, computer and laboratory technicians, clerical workers, research scientists, volunteers, managers, receptionists, healthcare assistants and nurses. We are grateful to the Sackler Foundation for the generous support of this work. IJD is supported by MRC and BBSRC funding to the University of Edinburgh Centre for Cognitive Ageing and Cognitive Epidemiology (MR/ K026992/1).

Funding Information:
Conflict of interest AMM has received financial support from Pfizer (formerly Wyeth), Janssen and Lilly and from the Sackler trust. The remaining authors declare that they have no conflict of interest.

Publisher Copyright:
© 2019, The Author(s).

ASJC Scopus Subject Areas

  • Molecular Medicine
  • Genetics
  • Pharmacology

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