MEK Inhibitor Disappoints in KRAS-Mutant NSCLC


“A targeted combination therapy for patients with KRAS-mutant non-small cell lung cancer (NSCLC) did not improve overall survival (OS) or progression-free survival (PFS), researchers reported.

“The phase III, randomized SELECT-1 trial compared the experimental MEK inhibitor selumetinib, in combination with docetaxel (Taxotere), with docetaxel and placebo as second-line therapy in patients who failed a previous line of therapy, explained Pasi Jänne, MD, PhD, of the Dana Farber Cancer Institute in Boston, and colleagues.

“After a follow-up of approximately 1 year, median OS in the selumetinib combination group was 8.7 months versus 7.9 months in the docetaxel plus placebo group (hazard ratio 1.05, 95% CI 0.85-1.30, P=0.64), they wrote in JAMA.

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