Background: Epidermal growth factor receptor (EGFR) mutations have a low incidence in squamous cell lung cancer (SqCLC), and the clinical efficacy of EGFR tyrosine kinase inhibitors (TKIs) in EGFR-mutated SqCLC is far less than that in EGFR-mutated lung adenocarcinoma. The treatment strategy for patients with EGFR-mutated non-small cell lung cancer who are refractory to EGFR TKIs has become a current dilemma and challenge. Case Presentation: A case of a 69-year-old male patient suffering from intermittent cough and hemoptysis was diagnosed with EGFR-mutated advanced SqCLC (stage cT2bN2M1). The patient was treated with camrelizumab alone after five courses of different systemic therapies and achieved a partial response, with an eminent progression-free survival of more than 24 months. Grade 1 to 2 reactive cutaneous capillary endothelial proliferation and mild pruritus were observed during the treatment. No other immune-related adverse events were observed. Conclusion: Monotherapy of immune-checkpoint inhibitors may be considered as a later-line option for EGFR-mutated advanced SqCLC patients with PD-L1 expression.
CITATION STYLE
Jin, W., Wang, X., Wang, J., & Lin, L. (2022). Case Report: Opportunities and Challenges of Immunotherapy in Heavily-Treated EGFR-Mutant Advanced Squamous Cell Lung Carcinoma After Progression on EGFR-TKIs and Chemotherapy. Frontiers in Oncology, 12. https://doi.org/10.3389/fonc.2022.820408
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