Table 3.
Examples of the effect of disease state on the exposure of transporter substrates in human
Disease State |
Drug | Transporter/Enzyme Substrate |
AUC0-last
Patients |
AUC0-last
Healthy Subjects |
Mean Ratio |
Cmax
Patients |
Cmax
Healthy Subjects |
Mean Ratio |
Cl/F Patients |
CL/F Healthy Subjects |
Mean Ratio |
Reference |
---|---|---|---|---|---|---|---|---|---|---|---|---|
CLD (majority with Child-Pugh grade B or C) | Repaglinide (4 mg P.O.) | OATP1B1, CYP2C8, CYP3A4 | 368.9 ng*h/mL | 91.6 ng*h/mL | 4.34 | 105.4 ng/mL | 46.7 ng/mL | 2.46 | - | - | - | (51) |
CLD (Child-Pugh A) | Pitavastatin (2 mg P.O.) | OATP1B1, OATP1B3, BCRP, MRP2, UGT1A3, UGT2B7 | 174.1 ng*h/mL | 135.9 ng*h/mL | 1.28 | 70.7 ng/mL | 59.5 ng/mL | 1.19 | - | - | - | (50) |
CLD (Child-Pugh B) | Pitavastatin (2 mg P.O.) | OATP1B1, OATP1B3, BCRP, MRP2, UGT1A3, UGT2B7 | 481.1 ng*h/mL | 135.9 ng*h/mL | 3.54 | 147.1 ng/mL | 59.5 ng/mL | 2.47 | - | - | - | (50) |
HD-CKD | Fexofenadine (120 mg P.O.) | P-gp, OATP1B3, OATP2B1 | 2,327 ng*h/mL | 1,008 ng*h/mL | 2.3 | 531.1 ng/mL | 246.7 ng/mL | 2.2 | 60 mL/min | 135 mL/min | 0.44 | (109) |
CKD (severe, non-dialysis patients) | Pitavastatin (4 mg P.O.) | OATP1B1, OATP1B3, BCRP, MRP2, UGT1A3, UGT2B7 | 164 ng*h/mL | 125.9 ng*h/mL | 1.3 | 74.28 ng/mL | 63.12 ng/mL | 1.18 | - | - | - | (110) |
NASH | Morphine-glucuronidesa | MRP3 | 58.8 μM*min | 37.2 μM*min | 1.6 | 343 nM | 225 nM | 1.5 | - | - | - | (60) |
NASH | 99mTc-mebrofeninb | OATP1B1, OATP1B3, MRP2, MRP3 | 2,440 µCi*min/L | 1,780 µCi*min/L | 1.4 | 286 µCi/L | 136 µCi/L | 2.1 | (56) | |||
Pediatric NASH | Acetaminophen-glucuronidec | MRP3 | 207.7 nmol*h/mL | 143 nmol*h/mL | 1.4 | - | - | - | - | - | - | (59) |
CLD: Chronic Liver Disease; CKD; Chronic Kidney Disease; HD-CKD: hemodialysis-Chronic Kidney Disease; -, no data reported
No significant changes for morphine parent drug were observed
AUC0-180,liver: 277 vs. 433 kcounts*min/sec (liver activity-time curves measured by gamma scintigraphy) in NASH patients vs. healthy subjects (1.6-fold mean ratio)
No significant changes for acetaminophen parent drug were observed