** Shares of drug developer Leap Therapeutics LPTX.O rise 30.9% to 46 cents premarket
** Co says it is cutting its workforce by 75% to reduce spending and preserve capital
** LPTX is also exploring potential sale or partnership opportunities for sirexatamab and FL-501, its experimental drug candidates
** LPTX says its experimental drug sirexatamab showed an improvement in treatment response and progression-free survival across all second-line colorectal cancer patients who have received one prior therapy in a mid-stage trial
** The company's cash and cash equivalents totaled $32.7 million as of March 31, 2025.
** As of last close, LPTX stock down 86.9% YTD
(Reporting by Padmanabhan Ananthan)
((Padmanabhan.Ananthan@thomsonreuters.com))