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    BIOMARKER:

    HER-2 L755P

    i
    Other names: ERBB2, CD340, HER-2, HER2, NEU, NGL, V-erb-b2 avian erythroblastic leukemia viral oncogene homolog 2
    Entrez ID:
    2064
    Related biomarkers:
    Expression
    Mutation
    CNA
    Fusion
    Others
    1year
    Clinical characteristics and treatment outcomes of HER2 mutation and HER2 fusion in 22 patients with advanced breast cancer. (PubMed, Thorac Cancer)
    Our data demonstrated the clinical benefit of anti-HER2 treatment in Chinese breast cancer patients harboring HER2 mutation and/or HER2 fusion. The value of immunotherapy and treatment selection among individual HER2 variants needs further study.
    Retrospective data • Journal • IO biomarker • Metastases
    |
    HER-2 (Human epidermal growth factor receptor 2)
    |
    HER-2 overexpression • HER-2 amplification • HER-2 mutation • HER-2 L755S • HER-2 S310F • HER-2 V777L • HER-2 L755P • HER-2 V842I • HER-2 H878Y • HER-2 T862A • HER-2 fusion
    |
    Herceptin (trastuzumab)
    almost2years
    Neratinib in Treating Older Patients With Stage IV HER2-Positive Breast Cancer (clinicaltrials.gov)
    P2, N=25, Completed, City of Hope Medical Center | Active, not recruiting --> Completed | Trial completion date: Dec 2022 --> Sep 2022
    Trial completion • Trial completion date • Metastases
    |
    ERBB3 (V-erb-b2 avian erythroblastic leukemia viral oncogene homolog 3)
    |
    HER-2 positive • HER-2 negative • HER-2 L755S • HER-2 A775_G776insYVMA • HER-2 S310F • HER-2 V777L • HER-2 L755P • ERBB3 mutation • HER-2 S310Y • HER-2 G778_P780dup • HER-2 D769Y • HER-2 L869R • HER-2 V842I • ERBB3 V659E • HER-2 G778_S779insCPG • HER-2 L755_T759del • HER-2 A775 • HER-2 D769H • HER-2 R678Q • HER-2 R896C • HER-2 YVMA • ERBB3 L755S
    |
    Nerlynx (neratinib)
    over2years
    Clinical and Genomic Features of HER2 exon 20 Insertion Mutations in East Asian NSCLC (IASLC-WCLC 2022)
    In 7 patients who received HER2-directed therapies, limited responses to afatinib (n=5), trastuzumab emtansine (n=3) and tucatinib (n=1) were observed and no responses were seen with immunotherapy monotherapy (n=2). The incidence of HER2-M+ is 3.1% in East Asian non-squamous NSCLC, with only 1/26 HER2ex20 overlapping with activating EGFR mutations. The clinical phenotype and genomic features of HER2ex20 tumours appear distinct from HER2other, the latter demonstrating higher TMB, co-occurring drivers and predominant non-ageing signature. The therapeutic implications of the genomic and clinical features of HER2-M+ warrant further investigation.)
    Clinical • Tumor Mutational Burden • IO biomarker
    |
    EGFR (Epidermal growth factor receptor) • HER-2 (Human epidermal growth factor receptor 2) • TP53 (Tumor protein P53) • TMB (Tumor Mutational Burden)
    |
    TP53 mutation • EGFR mutation • TMB-H • HER-2 mutation • EGFR wild-type • HER-2 exon 20 insertion • TMB-L • HER-2 A775_G776insYVMA • HER-2 L755P • HER-2 Y772_A775dup • HER-2 exon 20 mutation • HER-2 exon 20 YVMA insertion • HER-2 A775 • HER-2 exon 23 mutation
    |
    Gilotrif (afatinib) • Kadcyla (ado-trastuzumab emtansine) • Tukysa (tucatinib)
    over2years
    NCI-2022-04099: Testing the Safety and Tolerability of the Anti-cancer Drugs Trastuzumab Deruxtecan and Neratinib for Cancers With Changes in the HER2 Gene (clinicaltrials.gov)
    P1, N=18, Recruiting, National Cancer Institute (NCI) | Not yet recruiting --> Recruiting
    Enrollment open • Combination therapy
    |
    CD4 (CD4 Molecule)
    |
    HER-2 positive • HER-2 overexpression • HER-2 amplification • HER-2 mutation • HER-2 L755S • HER-2 A775_G776insYVMA • HER-2 S310F • HER-2 V777L • HER-2 L755P • HER-2 G778_P780dup • HER-2 D769Y • HER-2 L869R • HER-2 V842I • HER-2 H878Y • HER-2 L866M • HER-2 A775 • HER-2 G309A • HER-2 P780-Y781insGSP • HER-2 R678Q • HER-2 R896C • HER-2 T862A
    |
    Nerlynx (neratinib) • Enhertu (fam-trastuzumab deruxtecan-nxki)
    over2years
    NCI-2022-04099: Testing the Safety and Tolerability of the Anti-cancer Drugs Trastuzumab Deruxtecan and Neratinib for Cancers With Changes in the HER2 Gene (clinicaltrials.gov)
    P1, N=18, Not yet recruiting, National Cancer Institute (NCI) | Trial completion date: Aug 2023 --> Jun 2024 | Trial primary completion date: Aug 2023 --> Jun 2024
    Trial completion date • Trial primary completion date • Combination therapy
    |
    CD4 (CD4 Molecule)
    |
    HER-2 positive • HER-2 overexpression • HER-2 amplification • HER-2 mutation • HER-2 L755S • HER-2 A775_G776insYVMA • HER-2 S310F • HER-2 V777L • HER-2 L755P • HER-2 G778_P780dup • HER-2 D769Y • HER-2 L869R • HER-2 V842I • HER-2 H878Y • HER-2 L866M • HER-2 A775 • HER-2 G309A • HER-2 P780-Y781insGSP • HER-2 R678Q • HER-2 R896C • HER-2 T862A
    |
    Nerlynx (neratinib) • Enhertu (fam-trastuzumab deruxtecan-nxki)
    over2years
    NCI-2022-04099: Testing the Safety and Tolerability of the Anti-cancer Drugs Trastuzumab Deruxtecan and Neratinib for Cancers With Changes in the HER2 Gene (clinicaltrials.gov)
    P1, N=18, Not yet recruiting, National Cancer Institute (NCI)
    New P1 trial • Combination therapy
    |
    CD4 (CD4 Molecule)
    |
    HER-2 positive • HER-2 overexpression • HER-2 amplification • HER-2 mutation • HER-2 L755S • HER-2 A775_G776insYVMA • HER-2 S310F • HER-2 V777L • HER-2 L755P • HER-2 G778_P780dup • HER-2 D769Y • HER-2 L869R • HER-2 V842I • HER-2 H878Y • HER-2 L866M • HER-2 A775 • HER-2 G309A • HER-2 P780-Y781insGSP • HER-2 R678Q • HER-2 R896C • HER-2 T862A
    |
    Nerlynx (neratinib) • Enhertu (fam-trastuzumab deruxtecan-nxki)
    almost3years
    Neratinib in Treating Older Patients With Stage IV HER2-Positive Breast Cancer (clinicaltrials.gov)
    P2, N=25, Active, not recruiting, City of Hope Medical Center | N=40 --> 25 | Trial completion date: Oct 2021 --> Dec 2022
    Enrollment change • Trial completion date
    |
    ERBB3 (V-erb-b2 avian erythroblastic leukemia viral oncogene homolog 3)
    |
    HER-2 positive • HER-2 negative • HER-2 L755S • HER-2 A775_G776insYVMA • HER-2 S310F • HER-2 V777L • HER-2 L755P • ERBB3 mutation • HER-2 S310Y • HER-2 G778_P780dup • HER-2 D769Y • HER-2 L869R • HER-2 V842I • ERBB3 V659E • HER-2 G778_S779insCPG • HER-2 L755_T759del • HER-2 A775 • HER-2 D769H • HER-2 R678Q • HER-2 R896C • ERBB3 L755S
    |
    Nerlynx (neratinib)
    4years
    Neratinib in Treating Older Patients With Stage IV HER2-Positive Breast Cancer (clinicaltrials.gov)
    P2, N=40, Active, not recruiting, City of Hope Medical Center | Trial completion date: Oct 2020 --> Oct 2021 | Trial primary completion date: Oct 2020 --> Oct 2021
    Clinical • Trial completion date • Trial primary completion date
    |
    ERBB3 (V-erb-b2 avian erythroblastic leukemia viral oncogene homolog 3) • IL6 (Interleukin 6)
    |
    HER-2 positive • HER-2 negative • HER-2 L755S • HER-2 A775_G776insYVMA • HER-2 S310F • HER-2 V777L • HER-2 L755P • ERBB3 mutation • HER-2 S310Y • HER-2 G778_P780dup • HER-2 D769Y • HER-2 L869R • HER-2 V842I • ERBB3 V659E • HER-2 G778_S779insCPG • HER-2 L755_T759del • HER-2 A775 • HER-2 D769H • HER-2 R678Q • HER-2 R896C • ERBB3 L755S
    |
    Nerlynx (neratinib)