6. Serum creatinine ≤ 1.5 × ULN OR calculated creatinine clearance (CrCl) or 24-hour urine CrCl ≥ 50 mL/minute ▪ Cockcroft-Gault formula will be used to calculate CrCl; 24-hour urine CrCl will be derived using the measured creatinine clearance formula