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Updated: Apr 19, 2026

A Simple Bioassay for the Evaluation of Vascular Endothelial Growth Factors
Published on: March 15, 2016
Anti-vascular endothelial growth factor therapy in breast cancer
Tina Bøgelund Kristensen1, Malin L T Knutsson2, Markus Wehland3
1Department of Biomedicine, Pharmacology, Aarhus University, Wilhelm Meyers Allé 4, Aarhus C 8000, Denmark. tinakristensen@studmed.au.dk.
Abstract:
Neo-angiogenesis is a critical process for tumor growth and invasion and has become a promising target in cancer therapy. This manuscript reviews three currently relevant anti-angiogenic agents targeting the vascular endothelial growth factor system: bevacizumab, ramucirumab and sorafenib. The efficacy of anti-angiogenic drugs in adjuvant therapy or as neo-adjuvant treatment has been estimated in clinical trials of advanced breast cancer. To date, the overall observed clinical improvements are unconvincing, and further research is required to demonstrate the efficacy of anti-angiogenic drugs in breast cancer treatments. The outcomes of anti-angiogenic therapy have been highly variable in terms of tumor response. New methods are needed to identify patients who will benefit from this regimen. The development of biomarkers and molecular profiling are relevant research areas that may strengthen the ability to focus anti-angiogenic therapy towards suitable patients, thereby increase the cost-effectiveness, currently estimated to be inadequate.
Insights
Anti-angiogenic drugs targeting the vascular endothelial growth factor system show unconvincing efficacy in advanced breast cancer. Further research and biomarkers are needed to identify suitable patients for these cancer therapies.
Area of Science:
- Oncology
- Cancer Biology
- Pharmacology
Background:
- Neo-angiogenesis, the formation of new blood vessels, is crucial for tumor growth and metastasis.
- Targeting the vascular endothelial growth factor (VEGF) system is a key strategy in anti-cancer therapy.
Purpose of the Study:
- To review the efficacy of three anti-angiogenic agents (bevacizumab, ramucirumab, sorafenib) targeting the VEGF system in advanced breast cancer.
- To assess the role of these agents in adjuvant and neo-adjuvant settings.
Main Methods:
- Review of clinical trials evaluating anti-angiogenic drugs in advanced breast cancer.
- Analysis of treatment outcomes and tumor response variability.
Main Results:
- Observed clinical improvements with anti-angiogenic drugs in advanced breast cancer have been unconvincing to date.
- Outcomes of anti-angiogenic therapy show significant variability in tumor response.
Conclusions:
- Further research is required to establish the efficacy of anti-angiogenic drugs in breast cancer treatment.
- Development of biomarkers and molecular profiling is essential to identify patients who will benefit from anti-angiogenic therapy, improving cost-effectiveness.
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