Gene therapy to terminate tachyarrhythmias.

Kohei Kawajiri, Kensuke Ihara, Tetsuo Sasano

Expert review of cardiovascular therapy 2022 Jun

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To date, the treatment option for tachyarrhythmia is classified into drug therapy, catheter ablation, and implantable device therapy. However, the efficacy of the antiarrhythmic drugs is limited. Although the indication of catheter ablation is expanding, several fatal tachyarrhythmias are still refractory to ablation. Implantable cardioverter-defibrillator increases survival, but it is not a curable treatment. Therefore, a novel therapy for tachyarrhythmias refractory to present treatments is desired. Gene therapy is being developed as a promising candidate for this purpose, and basic research and translational research have been accumulated in recent years. This paper reviews the current state of gene therapy for arrhythmias, including susceptible arrhythmias, the route of administration to the heart, and the type of vector to use. We also discuss the latest progress in the technology of gene delivery and genome editing. Gene therapy is one of the most promising technologies for arrhythmia treatment. However, additional technological innovation to achieve safe, localized, homogeneous, and long-lasting gene transfer is required for its clinical application.

Citation

Kohei Kawajiri, Kensuke Ihara, Tetsuo Sasano. Gene therapy to terminate tachyarrhythmias. Expert review of cardiovascular therapy. 2022 Jun;20(6):431-442