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    BIOMARKER:

    EGFR H835L

    i
    Other names: EGFR, ERBB, ERBB1, Epidermal growth factor receptor
    Entrez ID:
    1956
    Related biomarkers:
    Expression
    Mutation
    CNA
    Fusion
    Others
    12ms
    A Rare Case of Lung Adenocarcinoma with EGFR L833V/H835L Co-mutation and Literature Review (PubMed, Zhongguo Fei Ai Za Zhi)
    In this article, we reported a case of NSCLC patient with a rare gene compound mutation EGFR L833V/H835L, who responded to Afatinib in combination with Anilotinib treatment well after 5 months of treatment, and computed tomography (CT) showed shrinkage of lung lesions. Meanwhile, we also compiled previously reported NSCLC patients with EGFR L833V/H835L rare gene compound mutation and summarized the characteristics of this group of patients and the effect of applying different kinds of EGFR-TKIs treatment..
    Review • Journal
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    EGFR (Epidermal growth factor receptor)
    |
    EGFR mutation • EGFR L858R • EGFR exon 18 mutation • EGFR L833V + EGFR H835L • EGFR H835L • EGFR L833V
    |
    Gilotrif (afatinib)
    1year
    Efficacy and safety of dacomitinib in treatment-naïve patients with advanced NSCLC harboring uncommon EGFR mutations (ESMO Asia 2023)
    Major treatment-related adverse events included rash (87.5%), paronychia (62.5%), oral ulcers (50.0%), and diarrhea (50.0%), none of which were ≥grade 3 TRAEs. Conclusions Dacomitinib showed good activity and manageable toxicity in NSCLC patients with uncommon EGFR mutations and could be a potential treatment option for these patients.
    Clinical • Metastases
    |
    EGFR (Epidermal growth factor receptor)
    |
    EGFR mutation • EGFR L858R • EGFR exon 19 deletion • EGFR L861Q • EGFR G719X • EGFR H835L • EGFR L833V
    |
    Vizimpro (dacomitinib)
    over1year
    Complete response to first-line osimertinib monotherapy in a complex epidermal growth factor receptor mutant (L833V/H835L) lung adenocarcinoma patient: a case report. (PubMed, Anticancer Drugs)
    The patient remain benefitted for osimertinib monotherapy over 22 months with no disease progression. Our case firstly provided clinical evidences of first-line osimertinib therapy in lung cancer patients with rare L833V/H835L EGFR mutation.
    Journal
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    EGFR (Epidermal growth factor receptor) • CEACAM5 (CEA Cell Adhesion Molecule 5)
    |
    EGFR mutation • EGFR L833V + EGFR H835L • EGFR H835L • EGFR L833V
    |
    Tagrisso (osimertinib)
    over1year
    NCI-2019-05913: Alisertib in Combination With Osimertinib in Metastatic EGFR-mutant Lung Cancer (clinicaltrials.gov)
    P1, N=22, Active, not recruiting, Collin Blakely | Recruiting --> Active, not recruiting | N=38 --> 22 | Trial completion date: Feb 2025 --> May 2025 | Trial primary completion date: Feb 2025 --> May 2025
    Enrollment closed • Enrollment change • Trial completion date • Trial primary completion date • Combination therapy • Metastases
    |
    EGFR (Epidermal growth factor receptor) • TPX2 (TPX2 Microtubule Nucleation Factor)
    |
    EGFR mutation • EGFR L858R • EGFR exon 19 deletion • EGFR T790M • EGFR L861Q • EGFR G719X • EGFR S768I • EGFR E709K • EGFR exon 19 insertion • EGFR H835L • EGFR L833V • EGFR V834L
    |
    Tagrisso (osimertinib) • alisertib (MLN8237)
    over1year
    NCI-2019-05913: Alisertib in Combination With Osimertinib in Metastatic EGFR-mutant Lung Cancer (clinicaltrials.gov)
    P1, N=38, Recruiting, Collin Blakely | Trial completion date: Dec 2023 --> Feb 2025 | Trial primary completion date: Dec 2023 --> Feb 2025
    Trial completion date • Trial primary completion date • Combination therapy • Metastases
    |
    EGFR (Epidermal growth factor receptor) • TPX2 (TPX2 Microtubule Nucleation Factor)
    |
    EGFR mutation • EGFR L858R • EGFR exon 19 deletion • EGFR T790M • EGFR L861Q • EGFR G719X • EGFR S768I • EGFR E709K • EGFR exon 19 insertion • EGFR H835L • EGFR L833V • EGFR V834L
    |
    Tagrisso (osimertinib) • alisertib (MLN8237)
    over2years
    NCI-2019-05913: Alisertib in Combination With Osimertinib in Metastatic EGFR-mutant Lung Cancer (clinicaltrials.gov)
    P1, N=38, Recruiting, Collin Blakely | Trial completion date: May 2023 --> Dec 2023 | Trial primary completion date: May 2023 --> Dec 2023
    Trial completion date • Trial primary completion date • Combination therapy
    |
    EGFR (Epidermal growth factor receptor) • TPX2 (TPX2 Microtubule Nucleation Factor)
    |
    EGFR mutation • EGFR L858R • EGFR exon 19 deletion • EGFR T790M • EGFR L861Q • EGFR G719X • EGFR S768I • EGFR E709K • EGFR exon 19 insertion • EGFR H835L • EGFR L833V • EGFR V834L
    |
    Tagrisso (osimertinib) • alisertib (MLN8237)
    3years
    Afatinib treatment response in advanced lung adenocarcinomas harboring uncommon mutations. (PubMed, Thorac Cancer)
    Our findings suggested that afatinib is effective in patients with uncommon mutations. Mechanisms of afatinib resistance vary and need further investigation.
    Journal
    |
    EGFR (Epidermal growth factor receptor)
    |
    EGFR mutation • EGFR L858R • EGFR T790M • EGFR L861Q • EGFR G719X • EGFR S768I • EGFR L747P • EGFR A767_V769dup • EGFR H835L • EGFR L833V
    |
    Gilotrif (afatinib)
    over3years
    [VIRTUAL] Spectrum of Resistance Mechanisms to First, Second and Third Generation Tyrosine Kinase Inhibitors in EGFR Mutant NSCLC Patients (IASLC-WCLC 2021)
    Other mutations detected were CTNNB1 D32N, KRAS G12V, and PIK3CA E542K Conclusion Resistance development is unavoidable in EGFR mutant advanced NSCLC on any generation of TKIs. NGS offers an advantage in diagnosing mechanism of resistance for further choice of therapy.
    Clinical
    |
    EGFR (Epidermal growth factor receptor) • KRAS (KRAS proto-oncogene GTPase) • BRAF (B-raf proto-oncogene) • ALK (Anaplastic lymphoma kinase) • TP53 (Tumor protein P53) • PIK3CA (Phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha) • MET (MET proto-oncogene, receptor tyrosine kinase) • CTNNB1 (Catenin (cadherin-associated protein), beta 1)
    |
    TP53 mutation • KRAS mutation • EGFR mutation • KRAS G12C • BRAF mutation • PIK3CA mutation • EGFR L858R • EGFR exon 19 deletion • MET amplification • EGFR T790M • EGFR amplification • EGFR exon 20 insertion • PIK3CA H1047R • KRAS G12V • EGFR C797S • EGFR exon 19 mutation • MET mutation • EGFR exon 19 deletion + EGFR T790M • KRAS G12 • PIK3CA E542K • ALK translocation • EGFR exon 20 mutation • KRAS G13 • BRAF G469A • PIK3CA E542 • KRAS G13C • EGFR H835L • EGFR L833V • PIK3CA exon 9 mutation + HR positive • EGFR E709A • TP53 R213
    |
    Oncomine Focus Assay