Table 2. Main PK parameters of total VCR after IV administration of VSLI or VCR. Values are expressed as mean (SD). aP<0.05 vs 2.0 mg VCR group. bP<0.05 vs 2.0 mg VCR group. dP>0.05 vs 1.5 mg·m-2 single-dose VSLI group. eP<0.05 vs 1.5 mg·m-2 single-dose VSLI group. gP>0.05 vs 2.0 mg·m-2 single-dose VSLI group.
Parameters | Single-dose pharmacokinetic study |
Multiple-dose pharmacokinetic study |
||||
---|---|---|---|---|---|---|
1.5 mg·m−2 VSLI (n=5) | 2.0 mg·m−2 VSLI (n=6) | 2.3 mg·m−2 VSLI (n=6) | 2.0 mg VCR (n=6) | 1.5 mg·m−2 VSLI (n=6) | 1.8 mg·m−2 VSLI (n=6) | |
Cmax/ng·mL−1 | 141.3 (40.8)b | 127.0 (80.4)ad | 218.7 (127.4)adg | 83.4 (39.5) | 134.8 (138.6)d | 85.2 (28.3)d |
AUC0–t/ng·h·mL−1 | 205.1 (57.4)b | 201.2 (51.4)bd | 281.8 (95.0)bdg | 121.3 (15.6) | 169.8 (88.3)d | 130.3 (15.7)d |
AUC0–inf/ng·h·mL−1 | 229.3 (66.3)b | 242.9 (60.8)bd | 316.1 (106.5)bdg | 140.3 (25.0) | 216.7 (77.6)d | 155.5 (25.2)d |
MRT0–t/h | 8.9 (1.7)a | 11.8 (1.6)be | 10.6 (2.7)adg | 8.4 (2.8) | 5.9 (1.2)e | 5.8 (0.6)d |
MRT0–inf/h | 15.1 (3.9)a | 24.9 (9.4)ad | 17.8 (4.5)adg | 15.9 (8.2) | 17.6 (8.2)d | 12.3 (4.7)d |
t1/2z/h | 17.5 (6.7)a | 24.9 (8.3)ad | 19.2 (2.5)adg | 16.0 (7.9) | 17.4 (6.2)d | 13.0 (6.0)d |
Tmax/h | 1.05 (0.04)a | 0.85(0.27)ad | 0.8 (0.27)adg | 0.89 (0.31) | 0.93 (0.21)d | 0.83 (0.26)d |
CLz/L·h−1 | 7.0 (1.9)b | 8.7 (2.3)bd | 8.0 (2.7)bdg | 14.6 (2.7) | 7.6 (2.4)d | 11.8 (1.9)e |
Vz/L | 166.3 (42.2)b | 309.0 (119.8)ae | 217.5 (70.8)adg | 321.9 (123.4) | 202.1 (112.2)d | 212.7(82.0)d |