“Anaplastic lymphoma kinase (ALK)-targeting agents such as crizotinib may work most effectively in non–small-cell lung cancer (NSCLC) patients with ALK variant 1, according to a recent study published in the Journal of Clinical Oncology.
“Because the magnitude of response as well as durations of response to tyrosine kinase inhibitors (TKIs) that target ALK varies among ALK-positive NSCLC patients, Tatsuya Yoshida, MD, PhD, of the Aichi Cancer Center Hospital in Japan, and colleagues assessed the efficacy of crizotinib among 35 patients whose ALK variant could be determined and who received the treatment as their initial ALK-TKI.
“Ten of the patients received crizotinib as a first-line treatment, while the majority, 18 patients, received the oral drug as a second-line therapy. The median progression-free survival (PFS) among patients in the study was 9.7 months.”
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