Top-line results of Daiichi Sankyo Co. Ltd.’s phase III Quantum-First study, testing the addition of quizartinib to chemotherapy vs. chemotherapy alone for adults with newly diagnosed FLT3-ITD positive acute myeloid leukemia (AML), found the combination therapy provided a “statistically significant and clinically meaningful improvement” in overall survival vs. standard treatment alone, meeting the trial’s primary endpoint, Ken Takeshita, global head of R&D at Daiichi Sankyo, told BioWorld.