Renal: Serum/plasma creatinine (sCr) ?1.5 x upper limit of normal, or creatinine clearance (Ccr) ?50 mL/min. C. Renal: Serum creatinine (sCr) ? 1.5 x upper limit of normal. Serum creatinine (sCr) =< 1.5 x ULN, or creatinine clearance (Ccr) >= 40 mL/min as calculated by the modified Cockcroft-Gault formula Renal: Serum creatinine (sCr) ? 2.0 x upper limit of normal. Renal: serum creatinine (sCr) ?2.0 x ULN, or creatinine clearance (Ccr) ?30 mL/min. Renal: Serum creatinine (sCr) ?1.5 x upper limit of normal, or creatinine clearance (Ccr) ?50 mL/min. Renal clearance CCR < 40 mL/min Renal: serum creatinine (sCr) ?2.0 x ULN, or creatinine clearance (Ccr) ?30 mL/min. Serum creatinine (sCr) ? 1.5 x ULN;