Description:
This phase I trial studies the side effects and determine the best dose of prexasertib (LY2606368) when given together with cytarabine and fludarabine in patients with acute myeloid leukemia or high-risk myelodysplastic syndrome that has returned after a period of improvement or no longer responds to treatment. Prexasertib (LY2606368) may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Drugs used in chemotherapy, such as cytarabine and fludarabine, work in different ways to stop the growth of cancer cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Giving prexasertib (LY2606368) together with cytarabine and fludarabine may work better in treating patients with acute myeloid leukemia or myelodysplastic syndrome.