Creatinine clearance (as estimated by Cockcroft Gault) ≥ 60 mL/min Serum ALT/AST ≤2.5 ULN Total bilirubin ≤1.5 mg/dl, except in subjects with Gilbert's syndrome. Cardiac ejection fraction ≥ 50% ,no evidence of pericardial effusion as determined by an ECHO, and no clinically significant ECG findings No clinically significant pleural effusion Baseline oxygen saturation >92% on room air