ArticleThe pharmacogenomics journal2017
Endothelin-1 genetic polymorphism as predictive marker for bevacizumab in metastatic breast cancer.
Article in The pharmacogenomics journal, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 11 citations in OpenAlex.
- Review
- TheInternational journal of molecular sciences · 2024Article
- TheInternational journal of environmental research and public health · 2022Article
- Nephrotoxicity of Anti-Angiogenic Therapies.Diagnostics (Basel, Switzerland) · 2021Review
- Pharmacogenetics for severe adverse drug reactions induced by molecular-targeted therapy.Cancer science · 2020Review
- ET-1 promotes the growth and metastasis of esophageal squamous cell carcinoma via activating PI3K/Akt pathway.Translational cancer research · 2020Article
- Identification of a Genomic Region betweenClinical cancer research : an official journal of the American Association for Cancer Research · 2018Article
- Bevacizumab-induced hypertension: Clinical presentation and molecular understanding.Pharmacology & therapeutics · 2018Review
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Authors and funding
12 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Biomarkers for bevacizumab efficacy in metastatic breast cancer (MBC) are of urgent need. The genetic variability of genes involved in angiogenesis could explain the interpatient variability of drug effects. For this biomarker study DNA was extracted from tumor blocks or blood samples of patients with human epidermal growth factor receptor 2 (HER2)-negative MBC treated with bevacizumab in combination with chemotherapy (bevacizumab cohort, 163 patients) or chemotherapy only (control cohort, 105 patients). We assessed the correlation of 10 single-nucleotide polymorphisms (SNPs) in genes modulating angiogenesis (vascular endothelial growth factor-A (VEGF-A), VEGF receptor 1 (VEGFR-1), serine threonine kinase 39 (STK39)) or hypertension (endothelin-1 and uromodulin) with outcome and toxicity. In the bevacizumab cohort, the SNP rs5370-TT in endothelin-1 (EDN1) showed a significantly shorter median overall survival (OS, 6.3 vs 21.3 months; hazard ratio (HR) 2.89, 95% confidence interval (CI) 1.34-6.26; log-rank P=0.0069) and a trend toward worse median progression-free survival (3.5 vs 7.9 months; HR 2.05, 95% CI 0.96-4.39; log-rank P=0.065) compared with the alternate genotypes combined. Similarly, patients harboring the VEGF-936 (rs3025039) TT alleles showed a significantly shorter median OS than patients with VEGF-936 CC or CT (14.9 vs 21.3 months; HR 2.37, 95% CI 1.09-5.13; P=0.0286). In multivariate analysis including important clinical parameters like disease-free survival (DFS), adjuvant chemotherapy, ECOG (Eastern Cooperative Oncology Group) performance score, histologic subtype, grade, hormone receptor status, visceral metastases and treatment line, only the association of rs5370 (EDN1) with OS was still statistically significant (P=0.012). In the control cohort, no association of the EDN1 genotype with outcome was seen, suggesting a predictive value for bevacizumab. In conclusion, the SNP rs5370 in endothelin-1 could help identifying patients who unlikely gain any benefit from bevacizumab.
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