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Updated: May 7, 2026

Monitoring Functionality and Morphology of Vasculature Recruited by Factors Secreted by Fast-growing Tumor-generating Cells
Published on: November 23, 2014
Possible molecular mechanisms involved in the toxicity of angiogenesis inhibition
Henk M W Verheul1, Herbert M Pinedo
1University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands.
Abstract:
Contrary to initial expectations, angiogenesis inhibitors can cause toxicities in patients with cancer. The toxicity profiles of these inhibitors reflect the disturbance of growth factor signalling pathways that are important for maintaining homeostasis. Experiences with angiogenesis inhibitors in clinical trials indicate that short-term toxicities are mostly manageable. However, these agents will also be given in prolonged treatment strategies, so we need to anticipate possible long-term toxicities. In addition, understanding the molecular mechanisms involved in the toxicity of angiogenesis inhibition should allow more specific and more potent inhibitors to be developed.
Insights
Angiogenesis inhibitors, used in cancer treatment, can cause toxicities by disrupting growth factor signaling. While short-term side effects are manageable, long-term effects require further investigation for safer cancer therapies.
Area of Science:
- Oncology
- Molecular Biology
- Pharmacology
Background:
- Angiogenesis inhibitors are a class of cancer therapeutics.
- Their mechanism involves blocking blood vessel formation crucial for tumor growth.
- Unexpected toxicities have been observed in patients undergoing treatment.
Purpose of the Study:
- To investigate the toxicity profiles of angiogenesis inhibitors.
- To understand the underlying molecular mechanisms of these toxicities.
- To inform the development of safer and more effective inhibitors.
Main Methods:
- Review of clinical trial data on angiogenesis inhibitors.
- Analysis of toxicity profiles associated with these drugs.
- Exploration of growth factor signaling pathways affected by inhibitors.
Main Results:
- Angiogenesis inhibitors can induce toxicities in cancer patients.
- Toxicity is linked to the disruption of essential growth factor signaling pathways.
- Short-term toxicities are generally manageable in clinical settings.
Conclusions:
- Long-term toxicities of angiogenesis inhibitors need anticipation due to prolonged treatment strategies.
- Understanding molecular mechanisms of toxicity is crucial for developing improved therapeutic agents.
- Further research is needed to mitigate side effects and enhance patient outcomes in cancer therapy.
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