- Patients who have received hydroxyurea alone or have received non-cytotoxic therapies previously for myelodysplasia (MDS) or myeloproliferative disorder (MPD) (e.g., thalidomide or lenalidomide, interferon, cytokines, 5-azacytidine or decitabine, histone deacetylase inhibitors, low-dose cyclophosphamide [cytoxan], tyrosine kinase [TK] or dual TK/src inhibitors) will be eligible for this trial