RecruitingPhase 1Genetic interventionA Phase 1, Dose Escalation Trial of RP-A601 in Subjects With PKP2 Variant-Mediated Arrhythmogenic Cardiomyopathy (PKP2-ACM)This Phase 1 dose escalation trial will assess the safety and preliminary efficacy of a single dose intravenous infusion of RP-A601 in high-risk adult patients with PKP2-ACM.