Impact of amiodarone use on metoprolol concentrations, α‐OH‐metoprolol concentrations, metoprolol dosing and heart rate: A cross‐sectional study

• Main Authors: Sabrina Robert (Author), Marc‐Olivier Pilon (Author), Essaïd Oussaïd (Author), Maxime Meloche (Author), Grégoire Leclair (Author), Martin Jutras (Author), Marie‐Josée Gaulin (Author), Ian Mongrain (Author), David Busseuil (Author), Jean‐Claude Tardif (Author), Marie‐Pierre Dubé (Author), Simon deDenus (Author)
• Format: Book
• Published: Wiley, 2023-10-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Abstract Small studies suggest that amiodarone is a weak inhibitor of cytochrome P450 (CYP) 2D6. Inhibition of CYP2D6 leads to increases in concentrations of drugs metabolized by the enzyme, such as metoprolol. Considering that both metoprolol and amiodarone have β‐adrenergic blocking properties and...