** Shares of drug developer Moleculin Biotech MBRX.O rise
488% to $2.44; set to record their largest single-day percentage
gain
** MBRX says U.S. FDA has approved company's plan for a
late-stage trial to test its drug, annamycin, a potential
treatment for acute myeloid leukemia, a type of blood and bone
marrow cancer
** Says FDA recommended a reduction in the size of the trial
by about 10% due to an alteration in the statistical plan
** Annamycin received "fast track" and "orphan drug"
designation from the FDA
** MBRX fell 87.7% in 2024
(Reporting by Kamal Choudhury in Bengaluru)
((Kamal.Choudhury@thomsonreuters.com))