Relutrigine is a first-in-class small-molecule precision sodium channel functional modulator in development for SCN2A and SCN8A developmental and epileptic encephalopathies. FDA has accepted its NDA for priority review with a PDUFA target date of September 27, 2026, indicating it remains investigational pending regulatory decision.
Drug Class
Investigational precision sodium channel functional state modulator
Approval Status
Investigational; FDA NDA accepted with Priority Review and PDUFA target date September 27, 2026
Mechanism of Action
Precision modulation of NaV channel hyperexcitability with disease-state selectivity.
Indications
\SCN2A developmental and epileptic encephalopathy (investigational)\
\SCN8A developmental and epileptic encephalopathy (investigational)\
January and March 2026 drug pipeline updates included Phase 3 results, Fast Track designations and Priority Review decisions across multiple disease areas. Mavacamten, teplizumab-mzwv, anifrolumab, AXS-05, gedatolisib and AFTX-201 were among the programs with notable milestones.
The FDA accepted Praxis Precision Medicines' NDA for ulixacaltamide in essential tremor and set a Jan. 29, 2027 PDUFA date. The filing is backed by positive Phase 3 Essential3 data.
The FDA has granted Priority Review to relutrigine for SCN2A and SCN8A developmental and epileptic encephalopathies, with a PDUFA target date of September 2026. Phase 2/3 trial data showed a 53% placebo-adjusted reduction in motor seizures and 66.2% increase in seizure-free days. If approved, it would be the first targeted therapy for these rare, fatal childhood conditions.
The FDA has accepted Praxis Precision Medicines' NDA for relutrigine with priority review and set a PDUFA target date of September 27, 2026. The therapy targets SCN2A and SCN8A developmental and epileptic encephalopathies and could become the first approved treatment for these rare conditions. The company has bolstered its cash position to support commercial launch preparations.
Multiple analysts have raised price targets on Praxis Precision Medicines, with Wolfe Research initiating coverage at $500 and Guggenheim increasing its target to $800, citing strong market potential for ulixacaltamide in essential tremor.
Praxis Precision Medicines submitted NDAs for ulixacaltamide and relutrigine to the FDA, reported cash and investments of $926 million as of December 31, 2025, and disclosed a net loss of $303.3 million for full-year 2025.
Praxis Precision Medicines is preparing to submit two New Drug Applications by mid-February 2026 for ulixacaltamide and relutrigine, both holding FDA Breakthrough Therapy Designation, targeting essential tremor and epilepsy markets.
Praxis Precision Medicines has submitted new drug applications for ulixacaltamide in essential tremor and relutrigine in rare epilepsies, both granted Breakthrough Therapy Designation. The company reported $926 million in cash as of December 31, 2025.
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