Table 1.
Demographic values | ||||||||
---|---|---|---|---|---|---|---|---|
Age | 1 day | 1 month | 6 months | 1 year | 2 years | 5 years | 15 years | 25 years |
Bodyweight, kg | 3.45 | 4.30 | 7.55 | 9.90 | 12.35 | 18.25 | 54.25 | 72.65 |
Height, cm | 49.75 | 54.25 | 66.00 | 74.75 | 86.00 | 108.25 | 166.00 | 172.30 |
BSA, m2 | 0.22 | 0.26 | 0.38 | 0.46 | 0.55 | 0.74 | 1.60 | 1.86 |
System‐specific parameters | ||||||||
Qh, L/h | 6.55 | 7.83 | 12.95 | 17.65 | 24.65 | 41.14 | 89.75 | 87.92 |
HSA, g/L | 35.78 | 39.94 | 42.07 | 42.90 | 43.73 | 44.82 | 44.68 | 43.94 |
AAG, g/L | 0.2678 | 0.5497 | 0.6774 | 0.7172 | 0.7512 | 0.7877 | 0.6711 | 0.6847 |
Hematocrit, % | 51.93 | 38.14 | 35.11 | 35.78 | 36.79 | 38.29 | 40.01 | 40.74 |
Liver size, g | 133 | 159 | 249 | 313 | 385 | 544 | 1351 | 1614 |
MPPGL | 25.53 | 25.60 | 25.99 | 26.45 | 27.36 | 29.97 | 36.80 | 39.79 |
IO CYP1A2, % | 24 | 35 | 118 | 150 | 164 | 161 | 126 | 100 |
IO CYP2A6, % | 2.10−9 | 0.48 | 99 | 100 | 100 | 100 | 100 | 100 |
IO CYP2B6, % | 15 | 19 | 34 | 47 | 62 | 83 | 99 | 100 |
IO CYP2C8, % | 38 | 86 | 97 | 99 | 99 | 100 | 100 | 100 |
IO CYP2C9, % | 40 | 74 | 87 | 90 | 92 | 100 | 100 | 100 |
IO CYP2C18–19, % | 30 | 33 | 84 | 95 | 97 | 98 | 100 | 100 |
IO CYP2D6, % | 6 | 47 | 84 | 91 | 95 | 98 | 100 | 100 |
IO CYP2E1, % | 10 | 37 | 59 | 67 | 74 | 82 | 88 | 100 |
IO CYP3A4, % | 11 | 13 | 48 | 78 | 96 | 104 | 106 | 100 |
IO UGT1A1, % | 0.2 | 23 | 98 | 104 | 100 | 100 | 100 | 100 |
IO UGT1A4, % | 74 | 74 | 74 | 75 | 77 | 81 | 97 | 100 |
IO UGT1A6, % | 15 | 30 | 63 | 76 | 87 | 95 | 100 | 100 |
IO UGT1A9, % | 9 | 12 | 34 | 52 | 71 | 90 | 100 | 100 |
IO UGT2B7, % | 8 | 9 | 11 | 13 | 18 | 32 | 79 | 100 |
IO SULT1A1, % | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
AAG, alpha‐1 acid glycoprotein; BSA, body surface area; HSA, human serum albumin; MPPGL, milligram microsomal protein per gram of liver; IO, isoenzyme ontogeny expressed as percentage of adult microsomal intrinsic clearance; Qh, hepatic blood flow.