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Harmony Biosciences Announces Poster Presentations at the 16th European Epilepsy Congress

$HRMYPress releaseSep 3, 2026, 8:05 AM ETRead the release

Harmony Biosciences (Nasdaq: HRMY) will present encore data from its investigation of EPX-100 (clemizole hydrochloride) at the 16th European Epilepsy Congress, held September 5-9 in Athens, Greece. EPX-100 is being studied in the currently enrolling ARGUS trial for Dravet syndrome and LIGHTHOUSE trial for Lennox-Gastaut syndrome; the two posters cover preliminary open-label extension results from ARGUS and a drug-drug interaction study of EPX-100 with CYP enzyme probe substrates.

Key figures

Drug Name
EPX-100 (clemizole hydrochloride)
Phase Of Trial
open-label extension phase (ARGUS study); LIGHTHOUSE currently enrolling
Congress
16th European Epilepsy Congress, September 5-9, Athens, Greece
Poster numbers
["P0342","P0331"]
Dravet incidence
1:15,700
Lgs us patient population
48000
Scn1a lof share of dravet cases
85%

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