** Shares of gene therapy developer Sangamo Therapeutics
SGMO.O rise ~73.6% to 67 cents premarket
** SGMO says co and partner Pfizer's PFE.N gene therapy
for hemophilia A significantly cut the number of annual bleeding
episodes in patients with the rare disorder in a late-stage
study
** Says the therapy performed better than the current
standard treatment
** People with hemophilia have a fault in a gene that
regulates production of proteins called clotting factors,
leading to spontaneous as well as severe bleeding following
injuries or surgery
** Up to last close, stock was down 26.1% YTD
(Reporting by Christy Santhosh)
((Christy.Santhosh@thomsonreuters.com))