** Shares of cancer drug developer Lantern Pharma rise ~15% to $3.63 premarket
** LTRN says the U.S. Food and Drug Administration has granted "fast track" designation to its experimental drug to treat a type of breast cancer called triple negative breast cancer (TNBC)
** The drug, LP-184, showed preclinical efficacy in treating TNBC - LTRN
** FDA's "fast track" status expedites the review of medicines to treat serious conditions
** As of last close, stock has fallen 26.2% YTD
(Reporting by Kamal Choudhury in Bengaluru)
((Kamal.Choudhury@thomsonreuters.com;))