“The investigational tyrosine kinase inhibitor (TKI) brigatinib offered good response rates in a pivotal phase II trial of patients with ALK-positive non–small-cell lung cancer (NSCLC) whose disease progressed on crizotinib. The results were presented at the 2016 American Society of Clinical Oncology (ASCO) Annual Meeting, held June 3–7 in Chicago (abstract 9007).
“ ‘Most ALK-positive NSCLC patients treated with crizotinib eventually progress, often due to acquired ALK resistance mutations and/or poor CNS drug penetration,’ said Dong-Wan Kim, MD, PhD, of Seoul National University Hospital in South Korea, who presented the study.
“Brigatinib, a next-generation ALK TKI designed to have broad activity against resistant ALK mutants, showed promising clinical activity in a phase I/II study of crizotinib-treated ALK-positive NSCLC patients. The new open-label phase II ALTA study included 222 patients with locally advanced or metastatic NSCLC who had progressive disease on crizotinib. Patients were randomized to two brigatinib treatment regimens: group A (112 patients) received oral brigatinib 90 mg once per day, and group B (110 patients) received the same dose for 7 days followed by 180 mg once per day.”
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