ArticleDiscover oncology2024
Assessing the predictive role of platelet-lymphocyte ratio in EGFR-mutated non-small cell lung cancer patients treated with tyrosine kinase inhibitors: an analysis across TKI generations.
Article in Discover oncology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Development and validation of a nomogram for predicting axillary reverse mapping lymph node metastasis in breast cancer patients.Frontiers in oncology · 2026Article
- Clinical value of SPP1 overexpression in patients with papillary thyroid carcinoma.Translational cancer research · 2025Article
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Authors and funding
5 authors.
Funding
Abstract
introductionThe predictive utility of laboratory markers in patients with non-small cell lung cancer (NSCLC) harboring EGFR mutations treated with tyrosine kinase inhibitors (TKIs) is an ongoing area of research. The predictability of the platelet-lymphocyte ratio (PLR) on survival outcomes depending on the generation of EGFR TKI is undetermined.
methods151 patients treated with EGFR TKIs in Los Angeles were grouped according to generation of TKI. Differences in progression free survival (PFS) by stratification by PLR was determined using Kaplan-Meier analysis. Differences in median change in laboratory markers by generation of TKI was analyzed using Mann-Whitney tests. Cox Hazard Regression was used to perform multivariate analysis.
resultsMedian PFS of those managed with 1st or 2nd generation TKIs was significantly lower in patients with a PLR ≥ 180 (10.5 months) compared to those with PLR < 180 (16.6 months, p = 0.0163). Median PFS was comparable in those treated with osimertinib regardless of PLR. Patients managed with osimertinib had a significant decrease in absolute lymphocyte count (ALC) at 6 weeks and in platelets at 6 weeks and 3 months compared to those managed with 1st or 2nd generation TKIs. DISCUSSION: The predictive value of PLR was more apparent in patients treated with 1st or 2nd generation TKIs compared to those treated with osimertinib. Third generation EGFR TKIs may be more efficacious in treating patients with laboratory findings previously shown to predict poor survival. The significant changes in peripheral cell counts suggest variable tumor microenvironment changes dependent on the generation of TKI received.
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Registered trials
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