Has had any of the following within 6 months before Screening:≥ 2 outbreaks of genital herpes; occurrence/recurrence of clinically significant condyloma;clinically unstable angina or clinically unstable arrhythmia;significant CNS diseases;AST or ALT concentrations > 3 times the ULN;serum creatinine > 2.5 mg/dL;any other clinically significant abnormal laboratory result.