ABCG2 and familial hypercholesterolemia: Pitavastatin, one of the family of 3‐hydroxy‐3‐methyl‐glutaryl‐CoA (HMG‐CoA) reductase inhibitors used to manage hypercholesterolemia, has been determined in vitro to be a substrate of organic anion transporting polypeptide (OATP)1B1 and OATP1B3 (fraction transported of 0.78) and of the efflux transporters breast cancer resistance protein (BCRP) and multidrug resistance associated protein (MRP) 2.1, 2