Clinical Pharmacogenetics Implementation Consortium Guideline (CPIC) for CYP2D6, ADRB1, ADRB2, ADRA2C, GRK4, and GRK5 Genotypes and Beta-Blocker Therapy

Julio D. Duarte*, Cameron D. Thomas, Craig R. Lee, Rachel Huddart, Jose A. G. Agundez, Jordan F. Baye, Andrea Gaedigk, Teri E. Klein, David E. Lanfear, Andrew A. Monte, Mohamed Nagy, Matthias Schwab, C. Michael Stein, Chakradhara Rao S. Uppugunduri, Ron H. N. van Schaik, Roseann S. Donnelly, Kelly E. Caudle, Jasmine A. Luzum

*Corresponding author for this work

Research output: Contribution to journalReview articleAcademicpeer-review

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Abstract

Beta-blockers are widely used medications for a variety of indications, including heart failure, myocardial infarction, cardiac arrhythmias, and hypertension. Genetic variability in pharmacokinetic (e.g., CYP2D6) and pharmacodynamic (e.g., ADRB1, ADRB2, ADRA2C, GRK4, GRK5) genes have been studied in relation to beta-blocker exposure and response. We searched and summarized the strength of the evidence linking beta-blocker exposure and response with the six genes listed above. The level of evidence was high for associations between CYP2D6 genetic variation and both metoprolol exposure and heart rate response. Evidence indicates that CYP2D6 poor metabolizers experience clinically significant greater exposure and lower heart rate in response to metoprolol compared with those who are not poor metabolizers. Therefore, we provide therapeutic recommendations regarding genetically predicted CYP2D6 metabolizer status and metoprolol therapy. However, there was insufficient evidence to make therapeutic recommendations for CYP2D6 and other beta-blockers or for any beta-blocker and the other five genes evaluated (updates at www.cpicpgx.org).

Original languageEnglish
Number of pages9
JournalClinical Pharmacology & Therapeutics
Early online date1 Jul 2024
DOIs
Publication statusE-pub ahead of print - 1 Jul 2024

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© 2024 The Author(s). Clinical Pharmacology & Therapeutics published by Wiley Periodicals LLC on behalf of American Society for Clinical Pharmacology and Therapeutics.

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