** Shares of therapy developer Passage Bio PASG.O rise
~17% to 88 cents premarket
** Co says its early-stage trial for patients with a type of
frontotemporal dementia (FTD) showed sustained elevated
progranulin levels up to six months post-treatment
** Progranulin is a type of protein whose deficiency can
lead to FTD
** FTD is an uncommon type of dementia that causes problems
with behaviour and language
** Up to last close, stock down 45% YTD
(Reporting by Christy Santhosh)
((Christy.Santhosh@thomsonreuters.com))