Effect of CYP4F2, VKORC1, and CYP2C9 in Influencing Coumarin Dose: A Single-Patient Data Meta-Analysis in More Than 15,000 Individuals

Elisa Danese, Sara Raimondi, Martina Montagnana, Angela Tagetti, Taimour Langaee, Paola Borgiani, Cinzia Ciccacci, Antonio J Carcas, Alberto M Borobia, Hoi Y Tong, Cristina Dávila-Fajardo, Mariana Rodrigues Botton, Stephane Bourgeois, Panos Deloukas, Michael D Caldwell, Jim K Burmester, Richard L Berg, Larisa H Cavallari, Katarzyna Drozda, Min HuangLi-Zi Zhao, Han-Jing Cen, Rocio Gonzalez-Conejero, Vanessa Roldan, Yusuke Nakamura, Taisei Mushiroda, Inna Y Gong, Richard B Kim, Keita Hirai, Kunihiko Itoh, Carlos Isaza, Leonardo Beltrán, Enrique Jiménez-Varo, Marisa Cañadas-Garre, Alice Giontella, Marianne Kristiansen Kringen, Kari Bente Foss Haug, Hye Sun Gwak, Kyung Eun Lee, Pietro Minuz, Ming Ta Michael Lee, Steven A Lubitz, Stuart Scott, Cristina Mazzaccara, Lucia Sacchetti, Andrea H Ramirez, Yumao Zhang, Anke H Maitland-van der Zee, Talitha I Verhoef, Anthonius de Boer

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

The CYP4F2 gene is known to influence mean coumarin dose. The aim of the present study was to undertake a meta-analysis at individual patients' level to capture the possible effect of ethnicity, gene-gene interaction or other drugs on the association and to verify if inclusion of CYP4F2*3 variant into dosing algorithms improves the prediction of mean coumarin dose. We asked the authors of our previous meta-analysis (30 articles) and of 38 new articles retrieved by a systematic review to send us individual patients' data. The final collection consists 15,754 patients split into a derivation and validation cohort. The CYP4F2*3 polymorphism was consistently associated with an increase in mean coumarin dose (+9% (95%CI 7-10%), with a higher effect in females, in patients taking acenocoumarol and in Whites. The inclusion of the CYP4F2*3 in dosing algorithms slightly improved the prediction of stable coumarin dose. New pharmacogenetic equations potentially useful for clinical practice were derived. This article is protected by copyright. All rights reserved.

Original languageEnglish
Pages (from-to)1477-1491
Number of pages14
JournalClinical Pharmacology and Therapeutics
Volume105
Issue number6
DOIs
Publication statusPublished - Jun 2019

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