Platelets >= x ^/mm^ (or >= lower limit of institutional normal value) Magnesium >= . mg/dL or at/above the lower limit of normal for the performing laboratory Platelets >= institutional lower limit LVEF below institutional lower level of normal (LLN) or below %, whichever is lower Potassium above the institutional lower limit of normal (supplementation to meet this is allowed) Magnesium above the institutional lower limit of normal (supplementation to meet this is allowed) Mg ? lower limit of normal Thyrotropin/-hydroxyvitamin D levels < lower limit of normal Platelets >= institutional lower limit of normal Magnesium >= lower limit of normal Potassium, magnesium, phosphate must be corrected to at least lower limit of laboratory normal prior to start of treatment Serum potassium >= institutional lower limit of normal (ILLN) Potassium >= lower limit of normal Baseline albumin greater than or equal to Lower Limit of Normal Magnesium >= the lower limit of normal Magnesium >= the lower limit of normal Sodium >= the institutional lower limit of normal Magnesium >= lower limit of normal (LLN) and =< ULN Serum phosphorus >= lower limit of normal Magnesium >= lower limit of normal Potassium >= lower limit of normal Potassium above lower limit normal range for the institution; supplementation may be given before the first dose of study medication Magnesium above lower limit normal range for the institution; supplementation may be given before the first dose of study medication Sodium above lower limit normal range for the institution; supplementation may be given before the first dose of study medication Phosphorus above lower limit normal range for the institution; supplementation may be given before the first dose of study medication Ejection fraction < % or below the lower limit of the institutional normal range, whichever is lower Magnesium >= the lower limit of normal Leukocytes no lower limit (A) Anemia (hemoglobin < g/dl or > g /dL below the lower limit of laboratory normal) Serum potassium and magnesium levels above the lower limit of normal Patients must have adequate organ and marrow function as defined below: NOTE: Institutional/laboratory upper limit of normal = ULN Institutional/laboratory lower limit of normal = LLN Serum magnesium >= the institutional lower limit of normal (supplementation of electrolytes prior to screening is allowed) Serum potassium >= the institutional lower limit of normal (supplementation of electrolytes prior to screening is allowed) Magnesium >= the lower limit of normal Baseline testosterone >= lower limit of normal Magnesium > lower limit of normal (LLN) or correctable with supplements Magnesium >= the lower limit of normal for the institution Magnesium at or above lower limit of normal (correction with supplements is fine as long as the resultant level is at or above the lower limit of normal) Phosphorus at or above lower limit of normal (correction with supplements is fine as long as the resultant level is at or above the lower limit of normal) Magnesium levels >= lower limit of normal Magnesium level >= lower limit of normal Magnesium >= the lower limit of normal Electrolyte abnormality that has not responded to correction, including hypokalemia or hypocalcemia less than the lower limit of normal, or hyperkalemia or hypercalcemia greater than the upper limit of normal (ULN). Serum creatinine >. x ULN or calculated or directly measured CrCl < % lower limit of normal LVEF above the institution's lower limit of normal Because of the potential risk of QTc changes, serum magnesium and phosphorous levels must be >= the institutional lower limit of normal Magnesium >= the lower limit of normal Magnesium >= lower limit of normal (=< hours prior to registration) Phosphorus >= institutional lower limit of normal (repletion allowed) Magnesium >= the lower limit of normal Ejection fraction < % or below the lower limit of the institutional normal range, whichever is lower Baseline LVEF ? % and not lower than the institutional lower limit of normal; Magnesium ? lower limit of normal (LLN) Prior treatment with alemtuzumab (Campath) or similar agents or procedures that depress blood T cell counts to below % of the lower limit of normal. Magnesium >= the lower limit of normal LVEF that is ?% (or ? institutional lower limit of normal); Hemoglobin greater than % of the lower limit of institutional normal Magnesium or potassium lower than the normal institutional values Absolute neutrophil count (ANC) >= . X upper limit of normal (ULN) or lower limit of normal (LLN) Serum potassium between the institutions lower limit of normal and . LVEF < % or below the institutional lower limit of the normal range (whichever is higher)