2018
DOI: 10.18632/oncotarget.25008
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Anticancer drugs-related QTc prolongation, torsade de pointes and sudden death: current evidence and future research perspectives

Abstract: Anticancer drugs may have proarrhythmic effects including drug-induced QT interval prolongation, which is of particular importance because it can lead to a fatal polymorphic ventricular tachycardia termed torsade de pointes (TdP). QT interval prolongation and TdP are rare life-threatening untoward effects of anticancer therapy, particularly with arsenic trioxides and anthracyclines, and even some novel molecular targeted drugs touted as ‘tumor specific’. Several factors that affect myocardial repolarization ca… Show more

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Cited by 50 publications
(35 citation statements)
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“…6G). This may reflect the acute arrhythmic phase of anticancer therapy [39]. However, in our in vivo ECG telemetry analyses, we only found one Dox treated mice with ventricular extrasystole at 2 weeks after the last injection and none on saline treated mice.…”
Section: Discussionmentioning
confidence: 68%
“…6G). This may reflect the acute arrhythmic phase of anticancer therapy [39]. However, in our in vivo ECG telemetry analyses, we only found one Dox treated mice with ventricular extrasystole at 2 weeks after the last injection and none on saline treated mice.…”
Section: Discussionmentioning
confidence: 68%
“…Drug-induced QT prolongation has been associated with inhibition of the potassium ion channel encoded by the hERG gene; the proposed mechanisms for this inhibition include disruption of hERG plasma membrane protein trafficking or blockage of the ion-channel cavity [12, 13]. Monoclonal antibodies, such as avelumab, are considered unlikely to cause QT prolongation because they are too large to cross plasma membranes and, as such, are unable to block the inner cavity of the hERG channel [14]; however, some monoclonal antibodies have been found to prolong the QT interval, the mechanism of which is still unknown [15]. Furthermore, cases of immune checkpoint inhibitor-related cardiotoxicity have been reported, which may have been associated with QT prolongation [16], and animal studies have shown that deficiency of CTLA-4 and PD-1 can cause autoimmune myocarditis [17].…”
Section: Introductionmentioning
confidence: 99%
“…Cancer patients are treated with numerous medications and many of them cause QT prolongation such as tyrosine kinase inhibitors, histone deacetylase inhibitors, arsenic trioxide, antiemetics, antidepressants, and anxiolytics [65]. Furthermore, the medications that received emergency use approval by the United States Food and Drug Administration (FDA) for treatment of COVID-19, including hydroxychloroquine, chloroquine, and azithromycin as well as the antivirals such as lopinavir/ritonavir are all known to cause QT prolongation [66•].…”
Section: Qt Prolongation and Ventricular Arrhythmias In Patients Withmentioning
confidence: 99%