Honestly, I don't understand SL-401 treatment that well, but I know it has worked at least a couple times for those with no other hope. It's a promising new treatment.
Now Stemline Therapeutics has announced a study of SL-401 for BPDCN (Blastic Plasmacytoid Dendritic Cell Neoplasm) and AML (Acute Myeloid Leukemia) patients. The announcement is here:
You might want to ask your doctor about it if your treatment is failing, if you have relapsed, or if you are not eligible for a bone marrow transplant.