Collecting Tissue Samples From Patients With Leukemia or Other Blood Disorders Planning to Enroll in an ECOG Leukemia Treatment Clinical Trial

Clofarabine or Daunorubicin Hydrochloride and Cytarabine Followed By Decitabine or Observation in Treating Older Patients With Newly Diagnosed Acute Myeloid Leukemia

Care Optimization Through Patient and Hospital Engagement Clinical Trial for Heart Failure