Key result
Multiple drug classes linked to QT prolongation and torsades de pointes in exposed infants.
Why the study?
Prolongation of the QTc interval and torsades de pointes are important safety concerns in infants exposed to drugs with proarrhythmic potential, but pharmacovigilance studies have largely focused on adults.
Highlights the importance of monitoring for drug-induced QT prolongation and torsades de pointes in infants exposed to high-risk medications.
Alerts clinicians to QTc monitoring in exposed infants; extends adult signals but leaves open causal validation in pediatrics.
Prolongation of the corrected QT (QTc) interval and torsades de pointes (TdP) are important safety concerns in infants exposed to drugs with established or suspected proarrhythmic potential. Although TdP is uncommon, it can progress to ventricular fibrillation and result in sudden cardiac death. Pharmacovigilance studies, which have largely focused on adult populations, have identified disproportionate reporting signals for QT prolongation and TdP associated with antiarrhythmic, antimicrobial, antineoplastic, and cardiovascular agents.
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Kun‐Lang Wu (2026) conducted a review in Drug-associated QT prolongation and torsades de pointes. Drugs with established or suspected proarrhythmic potential was evaluated. Pharmacovigilance signals highlight that antiarrhythmic, antimicrobial, antineoplastic, and cardiovascular agents are associated with QT prolongation and torsades de pointes in exposed infants.
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