Effect of ERAs on Hepatic Uptake and Efflux Transporters
IC50 (µM)
Transporter
Ambrisentan
Bosentan
Macitentan
BSEP
>100
54.4
12
NTCP
>100
36.5
8
MRP2
∼ 75
>100
>100
Pgp
>100
>100
64 ± 15
BCRP
>100
>100
75 ± 37
OATP1B1
47.0 ± 21.3
5.0 ± 2.0
2.0 ± 0.3
OAT1B3
44.6 ± 23.8
5.2 ± 2.1
2.1 ± 0.3