Interim update from cohort 1 of LX2020 HEROIC-PKP2 Phase 1/2 trial: observed 71% and 115% increases in PKP2 protein expression in first two post-treatment biopsies; first participant evaluated 6-months after dosing experienced 67% reduction in premature ventricular contractions (PVCs) Completed enrollment of cohort 2 of LX2020 HEROIC-PKP2 Phase 1/2 trial; interim clinical data update expected in second half of 2025 LX2020 has been generally well tolerated with no treatment-related serious adverse events to date Cash, cash equivalents and investments of $128.5 million expected to provide operational runway into 2027 NEW YORK, March 24, 2025 (GLOBE NEWSWIRE) -- Lexeo Therapeutics, Inc. (Nasdaq: LXEO), a clinical stage genetic medicine company dedicated to pioneering novel treatments for cardiovascular diseases, today provided business updates across its portfolio and reported fourth quarter and full year 2024 financial results.
“We are pleased to share further regulatory clarity for LX2006 for the treatment of Friedreich ataxia (FA) cardiomyopathy, and we appreciate the continued partnership from the FDA on an accelerated approval pathway to support adults and children living with this devastating condition,” said R. Nolan Townsend, Chief Executive Officer of Lexeo Therapeutics.“We are also encouraged by the favorable safety profile and early data observed in participants dosed with LX2020 to date.
We look forward to sharing additional clinical updates later in 2025 now that the second cohort of the LX2020 HEROIC-PKP2 Phase 1/2 trial in arrhythmogenic cardiomyopathy is fully enrolled.” Business and Program Updates LX2006 for the Treatment of FA Cardiomyopathy: In light of these regulatory updates and anticipated timelines for assay validation, the Company expects to measure frataxin protein expression using liquid chromatography mass spectrometry (LCMS) in the planned registrational trial. LX2020 for the Treatment of PKP2-ACM: Fourth Quarter and Full Year Financial Results About Lexeo Therapeutics Lexeo Therapeutics is a New York City-based, clinical stage genetic medicine company dedicated to reshaping heart health by applying pioneering science to fundamentally change how cardiovascular diseases are treated.
The Company is advancing a portfolio of therapeutic candidates that take aim at the underlying genetic causes of conditions, including LX2006 for the treatment of Friedreich ataxia (FA) cardiomyopathy, LX2020 for the treatment of plakophilin-2 (PKP2) arrhythmogenic cardiomyopathy, and other devastating diseases with high unmet need. Cautionary Note Regarding Forward-Looking Statements Certain statements in this press release may constitute“forward-looking statements” within the meaning of the federal securities laws, including, but not limited to, Lexeo's expectations and plans regarding its current product candidates and programs and the timing for receipt and announcement of data from its clinical trials, the timing and likelihood of potential regulatory approval, and expectations regarding the time period over which Lexeo's capital resources will be sufficient to fund its anticipated operations and estimates regarding Lexeo's financial condition. Words such as“may,”“might,”“will,”“objective,”“intend,”“should,”“could,”“can,”“would,”“expect,”“believe,”“design,”“estimate,”“predict,”“potential,”“develop,”“plan” or the negative of these terms, and similar expressions, or statements regarding intent, belief, or current expectations, are forward-looking statements.
While Lexeo believes these forward-looking statements are reasonable, undue reliance should not be placed on any such forward-looking statements. These forward-looking statements are based upon current information available to the company as well as certain estimates and assumptions and are subject to various risks and uncertainties (including, without limitation, those set forth in Lexeo's filings with the U.S.
Securities and Exchange Commission (SEC)), many of which are beyond the company's control and subject to change. Actual results could be materially different from those indicated by such forward-looking statements as a result of many factors, including but not limited to: risks and uncertainties related to global macroeconomic conditions and related volatility; expectations regarding the initiation, progress, and expected results of Lexeo's preclinical studies, clinical trials and research and development programs; the unpredictable relationship between preclinical study results and clinical study results; delays in submission of regulatory filings or failure to receive regulatory approval; liquidity and capital resources; and other risks and uncertainties identified in Lexeo's Annual Report on Form 10-K for the annual period ended December 31, 2023, filed with the SEC on March 11, 2024, Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2024, filed with the SEC on November 13, 2024, and subsequent future filings Lexeo may make with the SEC. Additional information will also be set forth in Lexeo's Annual Report on Form 10-K for the year ended December 31, 2024.
New risks and uncertainties may emerge from time to time, and it is not possible to predict all risks and uncertainties. Lexeo claims the protection of the Safe Harbor contained in the Private Securities Litigation Reform Act of 1995 for forward-looking statements. Lexeo expressly disclaims any obligation to update or alter any statements whether as a result of new information, future events or otherwise, except as required by law.
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Lexeo Therapeutics Reports Fourth Quarter And Full Year 2024 Financial Results And Operational Highlights

(MENAFN - GlobeNewsWire - Nasdaq) Additional alignment with FDA on LX2006 planned pivotal study including protein expression co-primary endpoint: based on improvements in LVMI across participants ...