Trabectedin has a low cardiac risk profile: a comprehensive cardiac safety analysis
Claudia Lebedinsky1, Javier Gómez, Youn C Park
1PharmaMar, Colmenar Viejo, Madrid, Spain.
Insights
Trabectedin demonstrates a low incidence of cardiac adverse events (CAEs), primarily arrhythmias, across multiple clinical trials and postmarketing surveillance. This comprehensive review confirms a favorable cardiac safety profile for trabectedin in cancer patients.
Area of Science:
- Oncology
- Pharmacology
- Cardiology
Background:
- Trabectedin is an anti-cancer drug used in treating various malignancies.
- Cardiac adverse events (CAEs) are a potential concern with chemotherapeutic agents.
- Evaluating the cardiac safety profile of trabectedin is crucial for its clinical application.
Purpose of the Study:
- To conduct a cross-study evaluation of the cardiac safety of trabectedin.
- To assess the incidence and nature of drug-related cardiac adverse events (CAEs) associated with trabectedin.
- To determine the overall cardiac risk profile of trabectedin.
Main Methods:
- Retrieved drug-related CAEs from phase I-III clinical trials and pharmacovigilance databases.
- Monitored left ventricular ejection fraction (LVEF) in specific combination trials and a phase III trial.
- Analyzed data from single-agent and combination studies, including postmarketing surveillance.
Main Results:
- CAEs occurred in 1.4% to 1.8% of patients across different trial phases.
- Arrhythmias, such as tachycardia and atrial fibrillation, were the most common CAEs.
- No clinically relevant LVEF changes were observed in combination trials or the phase III trial.
Conclusions:
- Trabectedin exhibits a low incidence of cardiac adverse events, predominantly arrhythmias.
- The overall cardiac risk profile associated with trabectedin is considered low.
- Extensive data review supports the cardiac safety of trabectedin.
Purpose:
This analysis provides a cross-study evaluation of the cardiac safety of trabectedin.
Methods:
Drug-related cardiac adverse events (CAEs) were retrieved from phase I-III clinical trials, pharmacovigilance databases, and spontaneously reported cases. Left ventricular ejection fraction (LVEF) was monitored in combination phase I studies with doxorubicin or pegylated liposomal doxorubicin (PLD) and in a phase III trial (with PLD).
Results:
CAEs [grade 4 cardiac arrest with severe pancytopenia and sepsis (n = 1 patient), grade 4 atrial fibrillation (n = 2), and grade 1 tachycardia (n = 1)] occurred in 4/283 patients (1.4%) in 6 single-agent phase I trials. CAEs (grade 1 sinus tachycardia in a hypertensive patient and grade 1 ventricular dysfunction) occurred in 2/155 patients (1.3%) in 4 phase I combination trials. Results from 19 single-agent phase II trials showed CAEs in 20/1,132 patients (1.8%): arrhythmias (tachycardia/palpitations; n = 13; 1.1%) were the most common. A rather similar rate of symptomatic CAEs was observed in both arms of a phase III trial in recurrent ovarian cancer: 6/330 patients (1.8%; PLD) and 11/333 patients (3.3%; trabectedin/PLD). No clinically relevant LVEF changes occurred in phase I combination trials. In the phase III trial, LVEF decreases from baseline were similar: 9% of patients (PLD) and 7% (trabectedin/PLD), with no relevant symptoms. During postmarketing experience in soft tissue sarcoma (2,046 patients treated), 4 CAEs (2 cardiac arrest, 2 cardiac failure; ~0.2%) occurred in patients with preexisting conditions.
Conclusions:
Trabectedin has a low incidence of CAEs, consisting mainly of arrhythmias. This extensive data review indicates a low cardiac risk profile for trabectedin.
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