Table III.
Pharmacokinetic parameters of plasma clearance of IDS enzyme activity at week 25
parameter | units | Infusion dose (mg/kg) | ||
---|---|---|---|---|
3 | 10 | 30 | ||
Cmax | units/mL | 8,046 ± 3,474 | 30,789 ± 11,370 | 182,077 ± 28,943 |
T1/2 | min | 25.3 ± 2.4 | 29.8 ± 1.8 | 34.5 ± 4.2 |
MRT | min | 36.5 ± 3.5 | 43.0 ± 2.7 | 49.8 ± 6.2 |
AUC | kunits•min/ml | 320 ± 26 | 1,397 ± 74 | 8,374 ± 811 |
Vss | mL/kg | 84.0 ± 7.2 | 75.8 ± 4.2 | 43.9 ± 4.4 |
CL | mL/min/kg | 2.301 ± 0.191 | 1.760 ± 0.091 | 0.881 ± 0.085 |
ID | kunits | 4,043 ± 643 | 14,018 ± 1,776 | 40,393 ± 4,829 |
BW | kg | 5.48 ± 0.87 | 5.70 ± 0.72 | 5.47 ± 0.65 |
Mean ± SD. Parameters determined by fitting mono-exponential function to plasma IDS enzyme activity given in Figure 5; kunits = kilounits.