Drug-induced proarrhythmia: risk factors and electrophysiological mechanisms

G Frommeyer, L Eckardt - Nature Reviews Cardiology, 2016 - nature.com
Drug-induced ventricular tachyarrhythmias can be caused by cardiovascular drugs,
noncardiovascular drugs, and even nonprescription agents. They can result in arrhythmic …

Time for a fully integrated nonclinical–clinical risk assessment to streamline QT prolongation liability determinations: A pharma industry perspective

HM Vargas, MG Rolf, TA Wisialowski… - Clinical …, 2021 - Wiley Online Library
Defining an appropriate and efficient assessment of drug‐induced corrected QT interval
(QTc) prolongation (a surrogate marker of torsades de pointes arrhythmia) remains a …

Heart rate variability in mice: a theoretical and practical guide

J Thireau, BL Zhang, D Poisson… - Experimental …, 2008 - Wiley Online Library
The mouse is the animal model principally used to study biological processes in mammals.
The mutation, overexpression or knockout of one or several genes can provide insight into …

The use of ratiometric fluorescence measurements of the voltage sensitive dye Di-4-ANEPPS to examine action potential characteristics and drug effects on human …

MP Hortigon-Vinagre, V Zamora, FL Burton… - Toxicological …, 2016 - academic.oup.com
Human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CM) and higher
throughput platforms have emerged as potential tools to advance cardiac drug safety …

A new hERG allosteric modulator rescues genetic and drug‐induced long‐QT syndrome phenotypes in cardiomyocytes from isogenic pairs of patient induced …

L Sala, Z Yu, D Ward‐van Oostwaard… - EMBO molecular …, 2016 - embopress.org
Long‐QT syndrome (LQTS) is an arrhythmogenic disorder characterised by prolongation of
the QT interval in the electrocardiogram, which can lead to sudden cardiac death …

Modeling of LMNA-Related Dilated Cardiomyopathy Using Human Induced Pluripotent Stem Cells

D Shah, L Virtanen, C Prajapati, M Kiamehr, J Gullmets… - Cells, 2019 - mdpi.com
Dilated cardiomyopathy (DCM) is one of the leading causes of heart failure and heart
transplantation. A portion of familial DCM is due to mutations in the LMNA gene encoding …

Combined pharmacological block of IKr and IKs increases short‐term QT interval variability and provokes torsades de pointes

C Lengyel, A Varró, K Tábori, JG Papp… - British journal of …, 2007 - Wiley Online Library
Background and purpose: Assessing the proarrhythmic potential of compounds during drug
development is essential. However, reliable prediction of drug‐induced torsades de pointes …

Clinical and genetic determinants of torsade de pointes risk

AJ Sauer, C Newton-Cheh - Circulation, 2012 - Am Heart Assoc
Torsade de pointes (TdP) is a stereotyped polymorphic ventricular tachycardia characterized
by a cyclic shifting of the QRS axis (twisting around the points of the isoelectric line) …

Beat-to-beat variability of QT intervals is increased in patients with drug-induced long-QT syndrome: a case control pilot study

M Hinterseer, MB Thomsen, BM Beckmann… - European heart …, 2008 - academic.oup.com
Aims Torsades de pointes arrhythmias (TdP) occur by definition in the setting of prolonged
QT intervals. Animal models of drug induced Long-QT syndrome (dLQTS) have shown …

Determinants of beat-to-beat variability of repolarization duration in the canine ventricular myocyte: a computational analysis

J Heijman, A Zaza, DM Johnson, Y Rudy… - PLoS computational …, 2013 - journals.plos.org
Beat-to-beat variability of repolarization duration (BVR) is an intrinsic characteristic of
cardiac function and a better marker of proarrhythmia than repolarization prolongation …