Assessment of contribution of BCRP to intestinal absorption of various drugs using portal‐systemic blood concentration difference model in mice

Prediction of the intestinal absorption of new chemical entities (NCEs) is still difficult, in part because drug efflux transporters, including breast cancer resistance protein (BCRP) and P‐glycoprotein (P‐gp), restrict their intestinal permeability. We have demonstrated that the absorptive quotient (AQ) obtained from the in vitro Caco‐2 permeability study would be a valuable parameter for estimating the impact of BCRP on the intestinal...