** Biotech company Sorrento Therapeutics Inc's shares
SRNE.O up 8.7% premarket at $2.11
** SRNE's unit Scilex Holding Co receives U.S. FDA's fast
track designation for its experimental lower back pain treatment
urn:newsml:reuters.com:*:nGNX3NtPdF
** Tag makes co eligible for benefits including a priority
review and frequent communications with the FDA
** The therapy, SP-103, is a drug and device product similar
to co's FDA-approved pain medication delivery product ZTlido
** Up to Tuesday's close, stock had fallen ~58% compared
with a ~24% decline in the Nasdaq composite index .IXIC
(Reporting by Johann M Cherian in Bengaluru)
((johann.mcherian@thomsonreuters.com;))