
Shares of drug developer Moleculin Biotech MBRX.O rise 2.2% to $4.14 premarket
Co says its experimental cancer drug, annamycin, showed no signs of causing heart damage in patients in five clinical trials
Independent expert reviewed data from 90 patients with leukemia and sarcoma; found no heart issues - MBRX
Annamycin, also called naxtarubicin, tested for leukemia and sarcoma spread
Leukemia is a blood cancer; sarcoma is a cancer that starts in soft tissues and can spread to lungs
Drug being studied alone and with chemotherapy; late-stage leukemia trial ongoing - MBRX
Co says it is working to secure funding and will monitor patients long-term for heart issues
As of last close, stock down ~92% over the past year