Diagnosed with a hematological malignancy (multiple myeloma, [MM] chronic myelogenous leukemia [CML] or chronic lymphocytic leukemia [CLL] or small lymphocytic lymphoma [SLL]) and disease resistant or refractory to standard therapy and CLL/SLL patients are required to have failed prior treatment with at least one nucleoside analogue. Myeloma patients are required to have disease which has progressed following treatment with bortezomib.