** Shares of drug developer Immunome IMNM.O jump 30.3% to $25.5 in premarket trading
** Co says its experimental treatment met the main goal of a late-stage trial
** Co was testing the drug, varegacestat, in patients with progressing desmoid tumors
** Desmoid tumors are noncancerous tumors that arise from connective tissue
** The drug showed a 84% reduction in the risk of disease progression or death compared to placebo in the trail
** Varegacestat was generally well tolerated, with a manageable safety profile - IMNM
** Up to last close, stock up 84.3% YTD
(Reporting by Sneha S K)
((Sneha.SK@thomsonreuters.com;))