Patients must not have any grade III/IV cardiac disease as defined by the New York Heart Association Criteria (i.e., patients with cardiac disease resulting in marked limitation of physical activity or resulting in inability to carry on any physical activity without discomfort), unstable angina pectoris, myocardial infarction within months, or serious uncontrolled cardiac arrhythmia Patients must not have any grade III/IV cardiac disease as defined by the New York Heart Association Criteria (i.e., patients with cardiac disease resulting in marked limitation of physical activity or resulting in inability to carry on any physical activity without discomfort), unstable angina pectoris, and myocardial infarction within months, or serious uncontrolled cardiac arrhythmia Patients must not have any grade II/III/IV cardiac disease as defined by the New York Heart Association criteria (i.e., patients with cardiac disease resulting in marked limitation of physical activity or resulting in inability to carry on any physical activity without discomfort), unstable angina pectoris, myocardial infarction within months, or serious uncontrolled cardiac arrhythmia; abnormal cardiac valve morphology (>= grade ) documented by echocardiogram (subjects with grade abnormalities [i.e., mild regurgitation/stenosis]) can be entered on study; patients with a history of atrial fibrillation must have atrial fibrillation controlled for at least days prior to registration New York Heart Association class I or less; ordinary physical activity does not cause undue fatigue, palpitations, dyspnea, or angina pain; patients years or older must have a left ventricular ejection fraction (LVEF) at rest >= % measured by echocardiogram or multi-gated acquisition (MUGA) History of significant cardiovascular disease unless the disease is well-controlled or history of myocardial infarction in the past months; significant cardiac diseases includes second/third degree heart block; significant conduction abnormalities, significant ischemic heart disease; corrected QT (QTc) interval > msec at baseline (using Bazetts formula and read by local cardiologist); poorly controlled hypertension; congestive heart failure of New York Heart Association (NYHA) class II or worse (slight limitation of physical activity; comfortable at rest, but ordinary physical activity results in fatigue, palpitation, or dyspnea) and inability to tolerate intravenous hydration necessary for study therapy administration History of significant cardiovascular disease unless the disease is well controlled. Significant cardiac disease includes second/third degree heart block; significant ischemic heart disease; poorly controlled hypertension; congestive heart failure of the New York Heart Association (NYHA) Class II or worse (slight limitation of physical activity; comfortable at rest, but ordinary activity results in fatigue, palpitation or dyspnea). History of significant cardiovascular disease unless the disease is well controlled. Significant cardiac disease includes second/third degree heart block; significant ischemic heart disease; poorly controlled hypertension; congestive heart failure of the New York Heart Association (NYHA) Class II or worse (slight limitation of physical activity; comfortable at rest, but ordinary activity results in fatigue, palpitation or dyspnea) Congestive cardiac failure of >Grade severity according to the NYHA defined as symptomatic at less than ordinary levels of activity Participant has a cardiovascular disability status of New York Heart Association Class > . Class is defined as cardiac disease in which patients are comfortable at rest but ordinary physical activity results in fatigue, palpitations, dyspnea, or anginal pain. Class is defined as cardiac disease which subjects are comfortable at rest but ordinary physical activity results in fatigue, palpitations, dyspnea, or angina pain. Class is defined as cardiac disease which subjects are comfortable at rest but less than ordinary activity causes fatigue, palpitation, or dyspnea. Class is defined as cardiac disease which subjects have an inability to carry on any physical activity without discomfort, symptoms of heart failure at rest, and if any physical activity is undertaken then discomfort increases. Congestive cardiac failure of > grade severity according to the New York Heart Association (NYHA) defined as symptomatic at less than ordinary levels of activity Patients must have no clinical signs of heart failure and meet New York Heart Association functional classification I or II defined as:\r\n* Class I patients with no limitation of activities; they suffer no symptoms from ordinary activities\r\n* Class II patients with slight, mild limitation of activity; they are comfortable with rest or with mild exertion Congestive heart failure New York Heart Association (NYHA) class III or worse (marked limitation of physical activity; comfortable at rest; less than ordinary activity causes fatigue, palpitation, or dyspnea) A cardiovascular disability status of New York Heart Association Class ? , defined as cardiac disease in which patients are comfortable at rest but ordinary physical activity results in fatigue, palpitations, dyspnea, or angina pain Patients must not have any grade III/IV cardiac disease as defined by the New York Heart Association Criteria (i.e., patients with cardiac disease resulting in marked limitation of physical activity or resulting in inability to carry on any physical activity without discomfort), unstable angina pectoris, and myocardial infarction within months, or serious uncontrolled cardiac arrhythmia Patients must not have any grade III/IV cardiac disease as defined by the New York Heart Association Criteria (i.e., patients with cardiac disease resulting in marked limitation of physical activity or resulting in inability to carry on any physical activity without discomfort), unstable angina pectoris, and myocardial infarction within months, or serious uncontrolled cardiac arrhythmia Patients must not have any grade III/IV cardiac disease as defined by the New York Heart Association Criteria (i.e., patients with cardiac disease resulting in marked limitation of physical activity or resulting in inability to carry on any physical activity without discomfort), unstable angina pectoris, and myocardial infarction within months, or serious uncontrolled cardiac arrhythmia American Heart Association class I: patients with cardiac disease but without resulting limitation of physical activity; ordinary physical activity does not cause undue fatigue, palpitation, dyspnea, or anginal pain; additionally, patients > years of age must have a left ventricular ejection fraction of at least >= % demonstrated by multi gated acquisition scan (MUGA) or echocardiogram (Echo) Patients must not have any grade III/IV cardiac disease as defined by the New York Heart Association Criteria (i.e., patients with cardiac disease resulting in marked limitation of physical activity or resulting in inability to carry on any physical activity without discomfort), unstable angina pectoris, and myocardial infarction within months, or serious uncontrolled cardiac arrhythmia\r\n* Patients with a history of congestive heart failure (CHF) or at risk because of underlying cardiovascular disease or exposure to cardiotoxic drug should have an electrocardiogram (EKG) and echocardiogram performed to evaluate cardiac function as clinically indicated\r\n* Patients with evidence of congestive heart failure (CHF), myocardial infarction (MI), cardiomyopathy, or myositis should have a cardiac evaluation including lab tests and cardiology consultations as clinically indicated including EKG, creatine phosphokinase (CPK), troponin, and echocardiogram Congestive cardiac failure of >= Grade severity according to New York Heart Association (NYHA) functional classification defined as subjects with marked limitation of activity and who are comfortable only at rest. Patients must not have any grade III/IV cardiac disease as defined by the New York Heart Association criteria (i.e., patients with cardiac disease resulting in marked limitation of physical activity or resulting in inability to carry on any physical activity without discomfort), unstable angina pectoris, myocardial infarction within months, or serious uncontrolled cardiac arrhythmia Grade III/IV cardiac disease as defined by the New York Heart Association Criteria (i.e., subjects with cardiac disease resulting in marked limitation of physical activity or resulting in inability to carry on any physical activity without discomfort), symptomatic pulmonary embolism within months, unstable angina pectoris, myocardial infarction within months, or serious uncontrolled cardiac arrhythmia as determined by the treating physician. Patients with New York Heart Association Class II or greater congestive heart failure (Class II is defined as symptoms of fatigue, dyspnea or other symptoms with ordinary physical activity) A cardiovascular disability status of New York Heart Association class >= , defined as cardiac disease in which patients are comfortable at rest but ordinary physical activity results in fatigue, palpitations, dyspnea, or angina pain Class III or Class IV myocardial disease as described by the New York Heart Association; a recent history (within months) of myocardial infarction, or symptomatic arrhythmia at the time of randomization. Class III: Patients with cardiac disease resulting in marked limitation of physical activity. Such patients are comfortable at rest. Less than ordinary physical activity that causes fatigue, palpitation, dyspnea, or anginal pain. Class IV: Patients with cardiac disease resulting in inability to perform any physical activity without discomfort. Symptoms of cardiac insufficiency or anginal syndrome may be present even at rest. A cardiovascular disability status of New York Heart Association Class >/=. Class is defined as cardiac disease in which participants are comfortable at rest but have marked limitation of physical activity due to fatigue, palpitations, dyspnea, or anginal pain Cardiovascular disability status of New York Heart Association Class greater than or equal to . Class is defined as cardiac disease in which patients are comfortable at rest but ordinary physical activity results in fatigue, palpitations, dyspnea or anginal pain. Subject has a cardiovascular disability status of New York Heart Association Class greater or equal to . Class is defined as cardiac disease in which patients are comfortable at rest but ordinary physical activity, results in fatigue, palpitations, dyspnea or anginal pain. Cardiac: Left ventricular ejection fraction at rest ? % demonstrated by Multi Gated Acquisition Scan (MUGA) or echocardiogram. Patients with known heart disease must have a functional status no worse than American Heart Association Class I defined as patients with cardiac disease but without resulting limitation of physical activity. Ordinary physical activity does not cause undue fatigue, palpitation, dyspnea, or anginal pain. Subject has a cardiovascular disability status of New York Heart Association Class greater or equal to . Class is defined as cardiac disease in which patients are comfortable at rest but ordinary physical activity, results in fatigue, palpitations, dyspnea or anginal pain. American Heart Association (AHA) class without significant limitation of physical activity Congestive cardiac failure of >Grade severity according to the NYHA defined as symptomatic at less than ordinary levels of activity