- Laboratory values as follows (at time of randomization): WBC < 30.000/μl and > 1000/μl, Platelets count > 70.000/μl, Creatinine < 1.0 mg/dl. If creatinine is between 1.0mg/dl and 1.3mg/dl, creatinine clearance should be > 30ml/min as calculated using the Cockroft-Gault formula