** Drug developer's shares SESN.O fall nearly 16% to 91
cents
** Co says it plans to conduct an additional trial of its
bladder cancer drug, Vicineum, in order to re-submit the
marketing application for the drug to the FDA urn:newsml:reuters.com:*:nBw6lxLlqa
** The FDA declined to approve the drug in August, saying it
could not approve the drug's marketing application in its
current form urn:newsml:reuters.com:*:nL4N2PK3Q4
** Co says it will conduct a clinical trial comparing the
drug against intravesical chemotherapy
** Including Thursday's losses, stock down over 30% YTD
(Reporting by Manas Mishra in Bengaluru)
((Manas.Mishra@thomsonreuters.com;
www.twitter.com/Manasmishra24))