ArticleBMC cancer2025
Survival impact and risk factors of skeletal muscle loss during first-line EGFR-TKIs therapy in advanced lung adenocarcinoma patients.
Article in BMC cancer, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Article
- Exploring the Impact of Multiple Gene Mutations on Epidermal Growth Factor Receptor Tyrosine Kinase Inhibitor Response in Asian Nonsmall Cell Lung Cancer Patients.ACS pharmacology & translational science · 2026Review
- HISLIS: Histology, Sarcopenia, and Lung Inflammation Score-A New Perspective for Lung Cancer Patients?Life (Basel, Switzerland) · 2025Article
- Nutritional strategies in supporting immune checkpoint inhibitor, PI3K inhibitor, and tyrosine kinase inhibitor cancer therapies.Frontiers in nutrition · 2025Review
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8 authors.
Funding
Abstract
purposeThe impact of epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKIs) on muscle mass in individuals with advanced lung cancer has yet to be fully delineated. This study aimed to examine the dynamics of skeletal muscle mass during EGFR-TKIs targeted therapy, elucidate its clinical relevance, and explore the potential mechanisms.
methodsWe retrospectively recruited 104 patients with EGFR-mutant advanced lung adenocarcinoma who received icotinib or afatinib as first-line treatment. Skeletal muscle changes were assessed by abdominal CT obtained before and during treatment with EGFR-TKIs. The mean interval (± SD) between two CT scans was 109 days (± 16 days). Targeted panel sequencing of tumor tissue was used to detect genetic alterations. Functional enrichment analysis of genes interacting with EGFR-TKIs and muscle loss was performed to elucidate the potential toxicological mechanisms.
resultsA total of 42 (40.4%) patients experienced muscle loss during targeted therapy. Genetic analysis indicated muscle loss group had a higher proportion of MDM2 amplification and PIK3CA alterations (p = 0.011 & p = 0.045, respectively).Patients with baseline low muscle density and experienced ≥ Grade 2 diarrhea had higher rate of muscle loss (p = 0.005 & p < 0.001, respectively). Multivariate analysis revealed that muscle loss was independently associated with shorter PFS (hazard ratio [HR] 1.86, 95% confidence interval [CI]: 1.09 ∼ 3.18; p = 0.023). Besides, we found genes associated with icotinib, afatinib and muscle loss were significantly enriched in MAPK signaling pathway and calcium signaling pathway.
conclusionsThis study highlights the high prevalence and detrimental impact of muscle loss during EGFR-TKIs treatment.
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