SLCO1B3 and congenital secretory chloride diarrhea 1: GCDCA and TCDCA strongly inhibited the OATP1B3-mediated uptake of EZE-Ph, with IC50 values of 15.1 and 7.94 μM, respectively, which are lower than their levels in CLD patients (17.3 and 9.18 μM) [21].