Concise review: Clinical relevance of drug drug and herb drug interactions mediated by the ABC transporter ABCB1 (MDR1, P-glycoprotein).

Learning Objectives After completing this course, the reader will be able to: Identify important sources of variability in drug exposure caused by drug interactions mediated by P-glycoprotein.Describe how unwanted drug–drug interactions may lead to unexpected serious toxicity or undertreatment.Prevent these interactions by individualizing pharmacotherapy; this means selecting noninteracting drugs or adapting the dose of (the) interacting drug(s). CME Access and take the CME test online and receive 1 AMA PRA Category 1 Credit™ at CME.TheOncologist.com