Assessment of Transporter Polymorphisms as a Factor in a BCRP Drug Interaction Study With Lanabecestat.

Journal of Clinical Pharmacology
Brian A WillisScott A Monk

Abstract

Lanabecestat is a human β-site amyloid precursor protein-cleaving enzyme 1 inhibitor in development to slow disease progression in patients with early Alzheimer's disease. The study evaluated the breast cancer resistance protein (BCRP) inhibition potential of lanabecestat on the pharmacokinetics (PK) of rosuvastatin, a probe for BCRP activity, in healthy white subjects who were not carriers of SLCO1B1 (c.521T>C), not homozygotes for ABCG2 (c.421C>A or c.34G>A), and not heterozygotes of ABCG2 (c.421C>A and c.34G>A). The safety of lanabecestat + rosuvastatin, the effects of rosuvastatin on the PK of lanabecestat, and the effects of multiple genetic polymorphisms on rosuvastatin exposure were assessed. Geometric mean ratios of the maximum observed rosuvastatin concentration (Cmax ), area under the rosuvastatin concentration-versus-time curve (AUC) from time 0 to infinity, and time of maximum observed drug concentration (tmax ) when rosuvastatin was administered alone and with lanabecestat were contained within 0.8-1.25, as were lanabecestat AUC at steady state and tmax at steady state when lanabecestat was administered alone or with rosuvastatin. Lanabecestat Cmax at steady state increased 8% in the presence of rosuvastatin. Excep...Continue Reading

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Citations

Sep 15, 2020·Technology in Cancer Research & Treatment·Ting ZhanXiaodong Huang
Jul 31, 2020·Expert Opinion on Drug Metabolism & Toxicology·Takeshi HirotaIchiro Ieiri

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