• Internal medicine · Oct 2023

    Case Reports

    Concurrent Mutations in STK11 and KEAP1 Cause Treatment Resistance in KRAS Wild-type Non-small-cell Lung Cancer.

    • Masahiko Sumii, Masashi Namba, Kentaro Tokumo, Masami Yamauchi, Wataru Okamoto, Noboru Hattori, and Kazuhiko Sugiyama.
    • Department of Respiratory Medicine, Hiroshima University Hospital, Japan.
    • Intern. Med. 2023 Oct 15; 62 (20): 300130043001-3004.

    AbstractWe herein report a patient with KRAS wild-type non-small-cell lung cancer (NSCLC) with concurrent STK11 and KEAP1 mutations. A 53-year-old man visited a local doctor with a complaint of left shoulder swelling and pain. He was diagnosed with NSCLC cT4N0M1c stage IVB. A comprehensive genome profile test revealed mutations in STK11 and KEAP1 but no KRAS mutations. The patient was refractory to radiotherapy, immunotherapy, and chemotherapy. Thus, STK11 and KEAP1 mutations can be considered resistance mutations that confer resistance to various anticancer therapies in KRAS wild-type NSCLC.

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