Effect of ERAs on Hepatic Uptake and Efflux Transporters

 IC50 (µM)
TransporterAmbrisentanBosentanMacitentan
BSEP>10054.412
NTCP>10036.58
MRP2∼ 75>100>100
Pgp>100>10064 ± 15
BCRP>100>10075 ± 37
OATP1B147.0 ± 21.35.0 ± 2.02.0 ± 0.3
OAT1B344.6 ± 23.85.2 ± 2.12.1 ± 0.3