Observational studyCancer reports (Hoboken, N.J.)2024
Prognostic Impact of Postoperative Recurrence in Patients With Epidermal Growth Factor Receptor-Positive Non-Small Cell Lung Cancer.
Observational study in Cancer reports (Hoboken, N.J.), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed.
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Authors and funding
19 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundMutations in the epidermal growth factor receptor (EGFR) gene are the most common targetable gene alterations in non-small cell lung cancer (NSCLC). In Japan, approximately 40% of patients who undergo surgical resection for non-squamous NSCLC have EGFR mutations. However, no long-term studies have been conducted including a large number of EGFR-positive NSCLC patients with postoperative recurrence (PR).
methodsWe conducted a retrospective observational study of the data of EGFR-positive NSCLC patients with PR who had undergone surgery at the Shizuoka Cancer Center between October 2002 and November 2017. We evaluated post-recurrence overall survival (PRS) and postoperative overall survival (POS) using the Kaplan-Meier method and identify any associations between the clinical variables at recurrence and PRS using univariate and multivariate analysis.
resultsWe enrolled 162 patients. The median observation time for PRS was 4.95 years (range, 0.82-13.25) and POS was 5.81 years (range, 2.84-16.71). The median PRS was 5.17 years (95% confidence interval [CI], 3.90-5.61) and POS was 7.07 years (95% CI, 5.88-8.01). Univariate analysis identified male sex (median PRS: 3.32 vs. 5.39 years; p < 0.05), bone metastasis (median PRS: 2.43 vs. 5.33 years; p < 0.05), and central nervous system (CNS) metastasis (median PRS: 3.05 vs. 5.39 years; p < 0.05) and multivariate analysis identified bone metastasis (hazard ratio [HR], 2.01; 95% CI, 1.23-3.28; p < 0.05) and CNS metastasis (HR, 1.84; 95% CI, 1.14-2.98; p < 0.05) as poor prognostic factors. The pattern of recurrence (oligo vs. non-oligo recurrence) was not a prognostic factor. Logistic regression analysis revealed the association between sex and the presence bone/CNS metastasis at recurrence.
conclusionOur data may help visualize future prospects and determine the timing of osimertinib initiation. New treatment strategies need to be developed for patients with bone/CNS metastasis at the first recurrence.
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