 - Myocardial infarction within 6 months prior to enrollment, uncontrolled angina, severe uncontrolled ventricular arrhythmias, or electrocardiographic evidence of acute ischemia or active conduction system abnormalities. Prior to study entry, any ECG abnormality at screening has to be documented by the investigator as not medically relevant. Patients must not have history of congestive heart failure of any grade according to Heart Association NYHA see Appendix 2. 