Table 1. Plasma Pharmacokinetic Parameters of Gemcitabine (GEM) and Its Inactive Metabolite 2′,2′-Difluorodeoxyuridine (dFdU) after Single Intravenous Injection of Free GEM and mPEG-b-PCC-g-GEM-g-DC (Abbreviated as F-GEM and P-GEM) at GEM Equivalent Dose of 40 mg/kg in NSG Mice Bearing Orthotopic Pancreatic Tumors.
samples | t1/2 (h) | Cmax (ng/mL) | Tmax (h) | AUC (ng/mL × h) | MRT (h) |
---|---|---|---|---|---|
F-GEM | 1.99 ± 0.09 | 62923 ± 3479 | 0.25 | 83591 ± 1844 | 1.12 ± 0.13 |
P-GEM | 5.77 ± 0.49 | 57462 ± 2403 | 0.25 | 246425 ± 1605 | 4.45 ± 0.15 |
dFdU from F-GEM | 5.9 ± 2.02 | 19988 ± 1223 | 0.5 | 77555 ± 3570 | 6.58 ± 1.31 |
dFdU from P-GEM | 10.03 ± 1.11 | 18287 ± 976 | 2 | 245708 ± 16552 | 14.93 ± 2.09 |