Antiarrhythmic drugs for atrial fibrillation: lessons from the past and opportunities for the future

J Heijman, SH Hohnloser, AJ Camm - EP Europace, 2021 - academic.oup.com
Atrial fibrillation (AF) remains a highly prevalent and troublesome cardiac arrhythmia,
associated with substantial morbidity and mortality. Restoration and maintenance of sinus …

Emerging antiarrhythmic drugs for atrial fibrillation

A Saljic, J Heijman, D Dobrev - International Journal of Molecular …, 2022 - mdpi.com
Atrial fibrillation (AF), the most common cardiac arrhythmia worldwide, is driven by complex
mechanisms that differ between subgroups of patients. This complexity is apparent from the …

Enhanced Ca2+-Dependent SK-Channel Gating and Membrane Trafficking in Human Atrial Fibrillation

J Heijman, X Zhou, S Morotti, CE Molina… - Circulation …, 2023 - Am Heart Assoc
Background: Small-conductance Ca2+-activated K+ (SK)–channel inhibitors have
antiarrhythmic effects in animal models of atrial fibrillation (AF), presenting a potential novel …

Inhibition of the KCa2 potassium channel in atrial fibrillation: a randomized phase 2 trial

AG Holst, J Tomcsányi, B Vestbjerg, M Grunnet… - Nature Medicine, 2024 - nature.com
Existing antiarrhythmic drugs to treat atrial fibrillation (AF) have incomplete efficacy,
contraindications and adverse effects, including proarrhythmia. AP30663, an inhibitor of the …

Slow conduction corridors and pivot sites characterize the electrical remodeling in atrial fibrillation

A Frontera, S Pagani, LR Limite, A Peirone… - Clinical …, 2022 - jacc.org
Objectives This study aimed to evaluate the progression of electrophysiological phenomena
in a cohort of patients with paroxysmal atrial fibrillation (PAF) and persistent atrial fibrillation …

Small Conductance Ca2 +-Activated K+ (SK) Channel mRNA Expression in Human Atrial and Ventricular Tissue: Comparison Between Donor, Atrial Fibrillation and …

E Darkow, TT Nguyen, M Stolina, FA Kari… - Frontiers in …, 2021 - frontiersin.org
In search of more efficacious and safe pharmacological treatments for atrial fibrillation (AF),
atria-selective antiarrhythmic agents have been promoted that target ion channels …

Activation of small conductance Ca2+‐activated K+ channels suppresses Ca2+ transient and action potential alternans in ventricular myocytes

G Kanaporis, LA Blatter - The Journal of physiology, 2023 - Wiley Online Library
At the cellular level, cardiac alternans is observed as beat‐to‐beat alternations in
contraction strength, action potential (AP) morphology and Ca2+ transient (CaT) amplitude …

Anti‐arrhythmic investigations in large animal models of atrial fibrillation

A Saljic, T Jespersen, R Buhl - British journal of pharmacology, 2022 - Wiley Online Library
Atrial fibrillation (AF) constitutes an increasing health problem in the aging population.
Animal models reflecting human phenotypes are needed to understand the mechanisms of …

Dual effects of the small-conductance Ca2+-activated K+ current on human atrial electrophysiology and Ca2+-driven arrhythmogenesis: an in silico study

NT Herrera, X Zhang, H Ni… - American Journal …, 2023 - journals.physiology.org
By sensing changes in intracellular Ca2+, small-conductance Ca2+-activated K+ (SK)
channels dynamically regulate the dynamics of the cardiac action potential (AP) on a beat-to …

Prospective in silico trials identify combined SK and K2P channel block as an effective strategy for atrial fibrillation cardioversion

A Dasí, LA Berg, H Martinez‐Navarro… - The Journal of …, 2024 - Wiley Online Library
Virtual evaluation of medical therapy through human‐based modelling and simulation can
accelerate and augment clinical investigations. Treatment of the most common cardiac …