
Lexeo Therapeutics Announces Positive Interim Phase I/II Data for LX2020

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Lexeo Therapeutics, Inc. announced positive interim data from its Phase I/II trial of LX2020 for PKP2-associated arrhythmogenic cardiomyopathy. The treatment was well tolerated with no significant complement activation in 10 participants. Mean PKP2 protein expression increased by 93% in the low-dose and 162% in the high-dose cohorts. Most participants experienced stabilization or improvement in arrhythmia burden, with a 22% mean improvement in non-sustained ventricular tachycardia in the high-dose cohort. Regulatory engagement is expected in 2026 after enrollment completion in Q4 2025.
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