Dose escalation trial of bortezomib with standard remission-induction chemotherapy in patients with relapsed acute myelocytic leukemia (AML) or refractory anemia with excess of blasts (RAEB, RAEB-t) with IPSS score >= 1.5
a. ALT and/or AST > 3 x Upper Limit of Normal (ULN), or
b. Bilirubin > 3 x ULN, or
c. Serum creatinin > 3 x ULN (after adequate hydration), or (unless these are most likely caused by AML organ infiltration)
a. Myocardial infarction within the last 6 months of study entry, or
b. Reduced left ventricular function with an ejection fraction < 50% as measured by MUGA scan or echocardiogram (another method for measuring cardiac function is acceptable), or
c. Unstable angina, or
d. Unstable cardiac arrhythmias