Topical Anti-angiogenic Therapy for Telangiectasia in HHT: Proof of Concept

Detailed Summary

Hereditary hemorrhagic telangiectasia (HHT) is a hereditary vascular condition characterized by the development of abnormal connections between arteries and veins throughout the body, called vascular malformations. These abnormal blood vessels are referred to as arteriovenous malformations (AVM) if they are large and telangiectasias if they are small. Telangiectasias develop due to irregular growth of blood vessels. Anti-angiogenic therapy, such as the drug Apo-Timop, curbs the growth of new blood vessels. Apo-Timop is included in a class of medications called beta-blockers. Anti-angiogenic therapies exert their beneficial effects in a number of ways: by disabling the agents that activate and promote cell growth, or by directly blocking the growing blood vessel cells. The investigators think that anti-angiogenic therapy may lead to the shrinking of telangiectasia in people with HHT. The investigators hope that this study will provide us with proof of this concept and might lead to the development and study of anti-angiogenic therapies to help improve the lives of individuals with vascular malformations.

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