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Lexeo Therapeutics Receives FDA Regenerative Medicine Advanced Therapy (RMAT) Designation for LX2020 for the Treatment of PKP2 Arrhythmogenic Cardiomyopathy

$LXEOPress releaseAug 5, 2026, 7:00 AM ETRead the release

Lexeo Therapeutics received FDA Regenerative Medicine Advanced Therapy (RMAT) designation for LX2020, an investigational gene therapy for PKP2-associated arrhythmogenic cardiomyopathy. The designation was granted based on interim data from the ongoing HEROIC-PKP2 Phase I/II clinical trial, marking the third FDA designation for LX2020 alongside Orphan Drug and Fast Track status. PKP2 mutations affect approximately 60,000 people in the U.S.

Key figures

Drug Name
LX2020
Phase Of Trial
Phase I/II
Affected population us
approximately 60,000
Pkp2 acm cases percentage
approximately 50%

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