** Shares of Solid Biosciences SLDB.O rise as much as
67.5% to an over 5-month high of $5.73; last up 57.6% in
afternoon trade
** Drug developer says the U.S. FDA granted fast track
designation to its gene therapy candidate SGT-003 for treatment
of Duchenne Muscular Dystrophy (DMD), a progressive
muscle-wasting disorder
** In November, the FDA gave its clearance to allow SLDB to
begin a clinical trial of the therapy
** FDA's 'fast track' status expedites the review of drug
candidates being developed to treat serious conditions
** 2 of 5 brokerages rate the stock "buy" and 3 "hold";
their median PT is $7
** Including session's gain, stock up 4% YTD
(Reporting by Puyaan Singh)
((Puyaan.Singh@thomsonreuters.com;))