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Praxis Precision Medicines Provides Vormatrigine Program Update

$PRAXPress releaseJun 1, 2026, 4:15 PM ETRead the release

Praxis Precision Medicines announced that its Phase 2/3 POWER1 study for vormatrigine failed to meet the primary endpoint of percent change in monthly seizure frequency. The study did meet the secondary endpoint of a 50% response rate, with more pronounced seizure reduction observed on the higher 30 mg dose during the second half of the trial.

Key figures

Drug Name
vormatrigine
Phase Of Trial
Phase 2/3
Ole transition rate
~90%
Primary endpoint met
No
Secondary endpoint met
Yes
Secondary endpoint description
50% response rate
Adverse event discontinuation rate
<10%

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