** Shares of Vanda Pharmaceuticals VNDA.O up 5.39% at $8.61 premarket
** Drugmaker says the U.S. FDA accepted its application to review imsidolimab, a drug for the treatment of generalized pustular psoriasis, a rare condition causing painful skin pustules, fever and fatigue
** Co adds that single dose of the drug cleared symptoms in over 50% of patients in trials vs. 13% in the placebo group
** Says long-term patients had no new flare-ups — sudden returns of painful skin symptoms — for up to two years
** FDA decision expected by December 12 - VNDA
** VNDA shares rose 84% in 2025
(Reporting by Sahil Pandey in Bengaluru)
((Sahil.Pandey@thomsonreuters.com))