** Shares of Harmony Biosciences HRMY.O rise 2.2% to $35.07
** Co reports positive results from key study on pitolisant GR, a gastro-resistant tablet formulation of its sleep disorder drug Wakix designed to withstand stomach acid and dissolve in the intestine
** HRMY says results support plan to file for U.S. approval in early 2026; aims for FDA decision in Q1 2027
** New GR tablets shown to work the same as current Wakix tablets; no new safety issues found
** Study also showed all patients could start at full dose without gradual increase
** HRMY stock up 0.5%% YTD, including session moves
(Reporting by Tharuniyaa Lakshmi in Bengaluru)
((tharuniyaa@thomsonreuters.com))