Notes: Ezetimibe is an inhibitor of NPC1-like intracellular cholesterol transporter 1 (NPC1L1; Ki = 220 nM), a cholesterol transporter found in the apical membrane of enterocytes.{15337} It reduces cholesterol absorption in hamsters fed a high-cholesterol diet (ED50 = 0.04 mg/kg per day).{69254} Ezetimibe (346 nM) also reduces the levels of helper T cells and memory T cells isolated from the blood of heart transplant recipients.{69255} Formulations containing ezetimibe have been used in the treatment of primary hypercholesterolemia and mixed hyperlipidemia.