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. 2011 Sep 7;6(9):e24265. doi: 10.1371/journal.pone.0024265

Table 1. Estimates of the model parameters.

Parameter designation and meaning In vitro data(AML 193 cell line) Clinical data(blast cells from AML patients)
Rp, CD33 production rate (molecules cell−1 hour−1) 2047 279 (109.6)*
ke, Free CD33 internalization rate (hour−1) 0.12 0.213 (65.7)
ki, GO-CD33 complex internalization rate (hour−1) 0.4 0.66 (50)
kd, GO efflux rate (hour−1) NM 0.34 (64.7)
kb, GO-CD33 association rate (M−1 hour−1) 1.1×1012 NM
ku, GO-CD33 dissociation rate (hour−1) 397.1 NM
k, Non specific drug elimination rate (hour−1) NA 0.01919
N0, Initial total number of blast cells NA 2.47×1012
α, Blast elimination rate (hour−1) NA 0.104
V, Volume of distribution of GO (L) NA 6.2

*results of fitting clinical data are reported as mean, and inter-patient% CV (coefficient of variation)

for those parameters for which estimation in individual patients was possible; NM – not measured;

NA - not applicable; GO – Gemtuzumab Ozogamicin.