** Enanta Pharmaceuticals Inc's ENTA.O shares up 2.6% at
$39.48
** Drug developer says U.S. FDA grants fast-track
designation for company's respiratory syncytial virus (RSV) drug
** Fast-track designation designed to accelerate development
and review of products, which are intended to treat serious
diseases
** Drug candidate currently in early-stage study to assess
safety and tolerability, data from study expected to be reported
this quarter - ENTA
** Including session's gains, ENTA down ~15% YTD
(Reporting by Khushi Mandowara in Bengaluru)
((Khushi.Mandowara@thomsonreuters.com))