RBM39 x CD49b

The researchers are doing this study to find out whether E7820 is an effective treatment for people with relapsed/refractory myeloid cancers with mutations in splicing factor genes. Participants will have acute myeloid leukemia (AML), myelodysplastic syndromes (MDS), or chronic myelomonocytic leukemia (CMML).

The purpose of the Phase Ib portion is to find out the highest dose of study drug that can safely be given when tested in a small group of subjects.
The purpose of the Phase II portion is to find out how safe the study drug is when taken at the highest dose in a larger group of subjects.