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    BIOMARKER:

    HER-2 G309A

    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
    7ms
    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=30, Recruiting, National Cancer Institute (NCI) | N=18 --> 30
    Enrollment change • 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 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 • HER-2 YVMA
    |
    Nerlynx (neratinib) • Enhertu (fam-trastuzumab deruxtecan-nxki)
    almost2years
    Her2 interaction domain mutations in breast cancer patients are responsible for receptor switch and therapy failure against Her2 targeted medicines (EACR 2022)
    Receptor switching to other HER family members in Lapatinib resistance and HER2 receptor tyrosine kinase domain mutations have been elaborated in promoting resistance. BC cells over-expressing HER2-WT or S305C were found sensitive to Trastuzumab (P>0.001) or Neratinib (P>0.001), whereas cells with G309A, S310Y or P523S mutation were non-responder to those drugs as revealed by short-term, long-term viability, anchorage-independent growth and Immunoblot assessments. Conclusion The structural changes ensued after HER2 interaction domain mutations alters the downstream signalling cascades and impacts the therapy response to HER2 targeted medicines.
    Clinical
    |
    HER-2 (Human epidermal growth factor receptor 2) • ERBB3 (V-erb-b2 avian erythroblastic leukemia viral oncogene homolog 3)
    |
    HER-2 overexpression • HER-2 mutation • ERBB3 expression • HER-2 S310F • HER-2 S310Y • HER-2 G309A
    |
    Herceptin (trastuzumab) • lapatinib • Nerlynx (neratinib) • R3Mab
    almost2years
    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)
    almost2years
    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)
    almost2years
    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)