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Sökning: WFRF:(Tempel E.) > (2022)

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  • Mulder, Evalyn E A P, et al. (författare)
  • Using a Clinicopathologic and Gene Expression (CP-GEP) Model to Identify Stage I-II Melanoma Patients at Risk of Disease Relapse.
  • 2022
  • Ingår i: Cancers. - : MDPI AG. - 2072-6694. ; 14:12
  • Tidskriftsartikel (refereegranskat)abstract
    • The current standard of care for patients without sentinel node (SN) metastasis (i.e., stage I-II melanoma) is watchful waiting, while >40% of patients with stage IB-IIC will eventually present with disease recurrence or die as a result of melanoma. With the prospect of adjuvant therapeutic options for patients with a negative SN, we assessed the performance of a clinicopathologic and gene expression (CP-GEP) model, a model originally developed to predict SN metastasis, to identify patients with stage I-II melanoma at risk of disease relapse.This study included patients with cutaneous melanoma ≥18 years of age with a negative SN between October 2006 and December 2017 at the Sahlgrenska University Hospital (Sweden) and Erasmus MC Cancer Institute (the Netherlands). According to the CP-GEP model, which can be applied to the primary melanoma tissue, the patients were stratified into high or low risk of recurrence. The primary aim was to assess the 5-year recurrence-free survival (RFS) of low- and high-risk CP-GEP. A secondary aim was to compare the CP-GEP model with the EORTC nomogram, a model based on clinicopathological variables only.In total, 535 patients (stage I-II) were included. CP-GEP stratification among these patients resulted in a 5-year RFS of 92.9% (95% confidence interval (CI): 86.4-96.4) in CP-GEP low-risk patients (n = 122) versus 80.7% (95%CI: 76.3-84.3) in CP-GEP high-risk patients (n = 413; hazard ratio 2.93 (95%CI: 1.41-6.09), p < 0.004). According to the EORTC nomogram, 25% of the patients were classified as having a 'low risk' of recurrence (96.8% 5-year RFS (95%CI 91.6-98.8), n = 130), 49% as 'intermediate risk' (88.4% 5-year RFS (95%CI 83.6-91.8), n = 261), and 26% as 'high risk' (61.1% 5-year RFS (95%CI 51.9-69.1), n = 137).In these two independent European cohorts, the CP-GEP model was able to stratify patients with stage I-II melanoma into two groups differentiated by RFS.
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