** Shares of therapy developer Theriva Biologics Inc
TOVX.A gain 70.37% to $1.41 premarket, top pct. gainer across
U.S. exchanges
** Company late on Tuesday said U.S. FDA has granted "orphan
drug" designation to its lead candidate VCN-01 for the treatment
of pancreatic cancer
** VCN-01 is being studied in combination with standard of
care chemotherapy in mid-stage trial as a first line therapy for
patients with pancreatic ductal adenocarcinoma
** Orphan drug status is given by the FDA to drugs that
treat rare conditions, and are protected through a series of
government incentives once in market
** Up to last close, stock up ~81% YTD
(Reporting by Sriparna Roy in Bengaluru)
((Sriparna.Roy@thomsonreuters.com;))