Table 2.
PBPK Model Tumor Parameter Values and Definitions.
Parameter | Value | Units | Definition |
---|---|---|---|
QTU | 1 × 10−4 | L/min | Tumor blood flow [7] |
LTU | 4 × 10−6 | L/min | Tumor lymph flow [7] |
ClupTU | 8.18 × 10−9 | L/min | Initial tumor uptake clearance [14] |
σTUV | 0.734 | - | Tumor vascular reflection coefficient [7] |
σTUL | 0.2 | - | Lymph reflection coefficient [7] |
ClTU | 8.96 × 10−9 | L/min | Initial clearance from endothelial space [14] |
KDFcRn | 7.5 × 10−7 | M–1 | FcRn-mAb KD [7] |
CFcRn | 1.64 × 10−5 | M | Tumor FcRn concentration [14] |
FR | 0.715 | - | Fraction of FcRn bound antibody recycled [7] |
kgrowth | 8.08 × 10−5 | min–1 | Tumor growth rate [7] |
VITU | 1.38 × 10−4 | L | Initial Interstitial Volume [14] |
VETU | 1.25 × 10−6 | L | Initial Endothelial Volume [14] |
VVTU | 1.75 × 10−5 | L | Initial Vasculature Volume [14] |
KDEGFR | 1.5 × 10−10 | M–1 | Cetuximab-EGFR KD [4] |
Kint | 1.38 × 10−3 | min–1 | EGFR Internalization Rate [65,66] |
ClTMD | Kint × VITU | L/min | Cetuximab Bound EGFR Clearance |
CEGFR (NCI-N87) | 1.14 × 10−7 | M | EGFR Tumor Concentration [67,68,69] |
CEGFR (Panc-1) | 9.24 × 10−8 | M | EGFR Tumor Concentration [70] |
CEGFR (LS174T) | 3.53 × 10−8 | M | EGFR Tumor Concentration [67,68] |