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Population Pharmacokinetics of Brigatinib in Healthy Volunteers and Patients With Cancer
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Population Pharmacokinetics of Brigatinib in Healthy Volunteers and Patients With Cancer
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Population Pharmacokinetics of Brigatinib in Healthy Volunteers and Patients With Cancer
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Journal Article
Population Pharmacokinetics of Brigatinib in Healthy Volunteers and Patients With Cancer
2021
Overview
Background and objectives
Brigatinib is an oral tyrosine kinase inhibitor approved in multiple countries for the treatment of patients with anaplastic lymphoma kinase-positive metastatic non-small cell lung cancer who have progressed on or are intolerant to crizotinib. We report a population pharmacokinetic model-based analysis for brigatinib.
Methods
Plasma concentration–time data were collected from 442 participants (105 healthy volunteers and 337 patients with cancer) who received single or multiple doses of oral brigatinib in one of five trials. Data were analyzed using non-linear mixed-effects modeling (NONMEM software version 7.3).
Results
Brigatinib plasma concentrations were best described by a three-compartment model with a transit compartment input (number of transit compartments = 2.35; mean transit time = 0.9 h). The final model included albumin as a covariate on apparent clearance. None of the additional covariates examined, including sex, age, race, body weight, mild or moderate renal impairment, total bilirubin, aspartate aminotransferase, and alanine aminotransferase, were found to meaningfully explain variability in apparent clearance, suggesting that no dose adjustment is required based on these covariates.
Conclusions
Results from these population pharmacokinetic analyses informed the prescribing guidance for patients with mild or moderate renal impairment in the US Prescribing Information and the European Summary of Product Characteristics for brigatinib.
Publisher
Springer International Publishing,Springer Nature B.V
Subject
