Table 2. Toxicokinetic parameters on days 1 and 22 following intravenous infusion of YYB-101 at 10, 50, or 200 mg kg−1 perday in cynomolgus monkeys (males and females combined).
Dose (mg kg−1 day−1) | Day | Statistic | Cmax (ng ml−1) | Cmax/Dose (kg × ng ml−1 mg−1) | Tmaxa(h) | Tlasta(h) | AUCTlast (ng × h ml−1) | AUC0-168hr (ng × h ml−1) | AUC0-168hr/Dose (kg × ng × h ml−1 mg−1) | Rb |
---|---|---|---|---|---|---|---|---|---|---|
10 | 1 | N | 6 | 6 | 2 (2–2) | 168 (168–168) | 6 | 6 | 6 | NA |
Mean | 363 000 | 3 6300 | 31 000 000 | 31 000 000 | 3 100 000 | NA | ||||
s.d. | 24 200 | 2420 | 2 980 000 | 2 980 000 | 298 000 | NA | ||||
CV% | 7 | 7 | 10 | 10 | 10 | NA | ||||
22 | N | 6 | 6 | 2 (2–2) | 168 (168–168) | 6 | 6 | 6 | 6 | |
Mean | 738 000 | 73 800 | 77 200 000 | 77 200 000 | 7 720 000 | 2.49 | ||||
s.d. | 44 300 | 4430 | 10 700 000 | 10 700 000 | 1 070 000 | 0.286 | ||||
CV% | 6 | 6 | 14 | 14 | 14 | 11 | ||||
50 | 1 | N | 6 | 6 | 2 (2–2) | 168 (168–168) | 6 | 6 | 6 | NA |
Mean | 1 950 000 | 39 000 | 163 000 000 | 163 000 000 | 3 250 000 | NA | ||||
s.d. | 289 000 | 5770 | 13 100 000 | 13 100 000 | 262 000 | NA | ||||
CV% | 15 | 15 | 8 | 8 | 8 | NA | ||||
22 | N | 6 | 6 | 2 (2–2) | 168 (168–168) | 6 | 6 | 6 | 6 | |
Mean | 3 650 000 | 73 000 | 387 000 000 | 387 000 000 | 7 730 000 | 2.38 | ||||
s.d. | 75 200 | 1500 | 34 800 000 | 34 800 000 | 696 000 | 0.119 | ||||
CV% | 2 | 2 | 9 | 9 | 9 | 5 | ||||
200 | 1 | N | 10 | 10 | 2 (2–2) | 168 (168–168) | 10 | 10 | 10 | NA |
Mean | 7 330 000 | 36 600 | 666 000 000 | 6 660 000 000 | 3 330 000 | NA | ||||
s.d. | 670 000 | 3350 | 61 500 000 | 61 500 000 | 308 000 | NA | ||||
CV% | 9 | 9 | 9 | 9 | 9 | NA | ||||
22 | N | 10 | 10 | 2 (2–96) | 168 (168–1512) | 10 | 10 | 10 | 10 | |
Mean | 17 800 000 | 89 200 | 3 180 000 000 | 1 980 000 000 | 9 910 000 | 2.95 | ||||
s.d. | 4 350 000 | 21 700 | 1 160 000 000 | 652 000 000 | 3 260 000 | 0.841 | ||||
CV% | 24 | 24 | 36 | 33 | 33 | 29 |
Abbreviations: AUC, area under the curve; CV, coefficient of variation; NA, not applicable.
Median (minimum—maximum), median value only reported if actual collection interval.
R=AUC0–168 h Day 22/AUC0–168 h Day 1.