TABLE 4 

IC50 values of cationic drugs tested for interaction with OAT1 and OAT3

Drug NameIC50 (μM)
OAT1OAT3
Probenecida2.433
Darifenacin807198
Paliperidone1082260
LoperamideNo significant inhibition95
NebivololNo significant inhibition169
HalofantrineNo inhibitionNo inhibition
CisaprideNo inhibitionNo inhibition
  • a The data for probenecid uptake inhibition is shown as a control.