Pharmacokinetic drug interactions of asciminib with the sensitive cytochrome P450 probe substrates midazolam, warfarin, and repaglinide in healthy participants.

ABSTRACT: Asciminib, a first-in-class BCR-ABL1 inhibitor that works by Specifically Targeting the ABL Myristoyl Pocket (STAMP), is a new treatment option for patients with chronic myeloid leukemia who no longer benefit from currently approved tyrosine kinase inhibitors. In vitro, asciminib reversibly inhibits cytochrome P450 (CYP) 3A4/5, CYP2C9, and CYP2C8. This phase I, open-label, two-stage study in healthy participants evaluated the effect of asciminib (40 mg b.i.d. at steady-state) as a potential perpetrator on single-dose pharmacokinetics of a two-drug cocktail containing midazolam (CYP3A substrate) and warfarin (CYP2C9 substrate) in stage 1 (n = 22), and of repaglinide (CYP2C8 substrate) in stage 2 (n = 25). For midazolam plus asciminib versus midazolam, geometric mean (G_mean ) rati

SUBMITTER: Hoch M 

PROVIDER: S-EPMC9199882 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature