** Shares of therapy developer Marinus Pharmaceuticals
MRNS.O fall ~61.5% to 65 cents premarket
** Co says it is discontinuing development of its oral drug
ganaxolone after it missed the main goal in a late-stage trial
in patients with a rare genetic brain disease called tuberous
sclerosis complex (TSC)
** MRNS says the drug did not show a significant reduction
in frequency of TSC-associated seizures
** Co says it is exploring strategic alternatives and is
taking additional steps to reduce costs, including a reduction
in its workforce
** Up to last close, stock down 84.5% YTD
(Reporting by Christy Santhosh)
((Christy.Santhosh@thomsonreuters.com))