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GlobeNewsWire
25 days ago
Praxis Precision Medicines Receives FDA Breakthrough Therapy Designation for Elsunersen for the Treatment of Seizures Associated with SCN2A Developmental and Epileptic Encephalopathy Caused by Gain of Function Variants
The Breakthrough Therapy Designation (BTD) was granted based on the positive results from the EMBRAVE Part A trial of elsunersen Elsunersen demonstrated a 77% sham-adjusted reduction in monthly seizures (p=0.015), with benefit sustained in the open-label extension for up to one year The pivotal EMBRAVE3 study is enrolling under a streamlined, single-arm registrational pathway aligned with the FDA Elsunersen now holds Breakthrough Therapy, Orphan Drug and Rare Pediatric Disease Designations from the FDA, and Orphan Drug and PRIME designations from the EMA BOSTON, June 22, 2026 (GLOBE NEWSWIRE) -- Praxis Precision Medicines , Inc. (NASDAQ: PRAX), a fully integrated, leading central nervous system (CNS) precision neuroscience biopharmaceutical company, today announced that the U.S. Food and Drug Administration (FDA) has granted BTD for elsunersen (PRAX-222), an antisense oligonucleotide (ASO) for the treatment of seizures associated with SCN2A Developmental and Epileptic Encephalopathy (SCN2A-DEE) caused by Gain of Function (GoF) variants in SCN2A. “Our third Breakthrough Therapy Designation for the late-stage pipeline is a defining milestone for Praxis, with immediate implications for the elsunersen program and for our Solidus™ ASO platform.