** Shares of specialty pharma co OPTN.O rise as much as
60% to $4.30 before the bell
** Co says its lead drug-device, xhance, for treatment of
chronic sinus met both main goals in a late-stage study
urn:newsml:reuters.com:*:nGNXbLf2hG
** If premarket gains stick through regular trading, stock
could hit hit its highest in over a year
** Chronic sinusitis, is a condition in which cavities
around nasal passages are inflamed and swollen for at least 12
weeks, for which there are currently no FDA-approved treatments
** XHANCE is already approved in the U.S. for treatment of
nasal polyps, a condition which causes swelling of nasal lining
** OPTN plans to report results from its second late-stage
study of XHANCE in chronic sinus in Q2
** Up to Friday's close, stock up ~68% YTD
(Reporting by Bhanvi Satija in Bengaluru)
((Bhanvi.Satija@thomsonreuters.com; Outside U.S. +91
9873062788;))