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    BIOMARKER:

    EML4-ALK variant 2

    i
    Other names: EML4, EMAP Like 4, Restrictedly Overexpressed Proliferation-Associated Protein, Echinoderm Microtubule-Associated Protein-Like 4, Echinoderm Microtubule Associated Protein Like 4, Ropp 120, C2orf2, EMAP-4, EMAPL4, ROPP120, ELP120, NBLST3, CD246, Anaplastic Lymphoma Kinase, Anaplastic Lymphoma Kinase (Ki-1), CD246 Antigen, Mutant Anaplastic Lymphoma Kinase, ALK, ALK Receptor Tyrosine Kinase, Anaplastic Lymphoma Receptor Tyrosine Kinase, ALK Tyrosine Kinase Receptor
    Entrez ID:
    238; 27436
    Related biomarkers:
    Expression
    Mutation
    CNA
    Fusion
    Others
    2years
    Lorlatinib and compound mutations in ALK+ large-cell neuroendocrine lung carcinoma: a case report. (PubMed, Cold Spring Harb Mol Case Stud)
    Despite early progression within 3 mo under crizotinib, a durable response was achieved with alectinib...Another rebiopsy revealed ALK:p.L1196M, but the tumor did not respond to brigatinib or carboplatin/pemetrexed, before stabilization under lorlatinib...Lorlatinib retained efficacy in the heavily pretreated setting, while its upfront use could possibly have prevented the stepwise emergence of compound ALK mutations. Furthermore, the disease course was more aggressive and OS shorter compared to the V2/TP53wt ALK+ lung adenocarcinoma, while crizotinib, ceritinib and brigatinib did not confer the benefit expected according to NGS results, which also underline the need for more potent drugs against ALK in the high-risk setting of neuroendocrine histology.
    Journal • Tumor Mutational Burden • IO biomarker
    |
    ALK (Anaplastic lymphoma kinase) • TP53 (Tumor protein P53) • TMB (Tumor Mutational Burden) • EML4 (EMAP Like 4) • RB1 (RB Transcriptional Corepressor 1)
    |
    TP53 mutation • TP53 wild-type • TMB-L • ALK mutation • ALK G1202R • EML4-ALK L1196M • ALK L1196M • ALK V1180L • EML4-ALK G1202R • EML4-ALK variant 2 • ALK D1203N
    |
    Xalkori (crizotinib) • carboplatin • Alecensa (alectinib) • Lorbrena (lorlatinib) • Zykadia (ceritinib) • pemetrexed • Alunbrig (brigatinib)