ArticleESMO open2024
Treatments and clinical outcomes in stage II colon cancer patients with 12-gene Oncotype DX Colon Recurrence Score® assay-guided therapy: real-world data.
Article in ESMO open, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Multi Omics Integration in Colorectal Cancer: From Molecular Insights to Precision Oncology.Cancers · 2026Review
- Long-term Survivors of Anaplastic Thyroid Cancer: A Genomic Predictive Model.The Journal of clinical endocrinology and metabolism · 2026Article
- Comprehensive Landscape of Diagnostic, Prognostic and Predictive Biomarkers in Colorectal Cancer: From Genomics to Multi-Omics Integration in Precision Medicine.Journal of personalized medicine · 2026Review
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Authors and funding
18 authors.
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Abstract
backgroundThe 12-gene Oncotype DX Colon Recurrence Score® result quantifies the recurrence risk in stage II/III colon cancer (CC). This real-world study investigated stage II CC patients whose treatment decisions incorporated the Recurrence Score® (RS) result. MATERIALS AND
methodsThis retrospective analysis of a prospectively designed cohort included all stage II, mismatch repair-proficient CC patients who underwent 12-gene testing through Clalit between January 2011 and December 2016 and had available data with a minimum 3-year follow-up.
resultsThe analysis included 938 patients {median age 68 [interquartile range (IQR) 60-76] years; 96% T3 tumors}. The median RS was 26 (IQR 19-33) and the three RS categories (0-29, 30-40, 41-100) included 65%, 24%, and 11% of patients, respectively. Chemotherapy (CT) use differed significantly between the three RS categories (14%, 36%, and 60%, respectively; P < 0.001). The CT and observation-only groups were imbalanced with worse clinicopathologic characteristics in the former. Among observation-only patients, Kaplan-Meier (KM) estimates for recurrence-free interval (RFI) and CC-specific survival (CCSS) differed significantly between the three RS categories (P < 0.001). Clinical outcomes by treatment (CT versus observation) within each RS category revealed no differences in RFI and CCSS in the RS 0-29 and 30-40 categories. In contrast, in the RS 41-100 category, the difference in RFI trended toward significance (P = 0.066), and for CCSS, a statistically significant difference was observed, with better outcomes among CT-treated patients (P = 0.035).
conclusionsRS results are prognostic in stage II CC. Among RS 41-100 patients, outcomes were better in CT-treated versus observation-only patients despite worse clinicopathologic characteristics, suggesting that CT confers clinical benefit in high-risk patients.
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