Background: Severe, recurring epistaxis is the most common symptom of hereditary hemorrhagic telangiectasias (HHT). Current treatment modalities range from noninvasive treatments that frequently fail to achieve even short-term control to surgeries and systemic therapies that carry significant risk of complications. Recently, bevacizumab, a VEGF inhibitor, has been proposed as an alternative option to alleviate epistaxis symptoms in HHT. Objective: To review the current literature regarding the use of bevacizumab for the treatment of epistaxis in patients with HHT and provide guidance on its usage for this indication. Methods: A narrative literature review was performed to analyze various methods and dosages of bevacizumab administration for the treatment of HHT-related epistaxis, along with a review of current treatment modalities and their drawbacks. Results: The current standard of care for HHT-related epistaxis consists of treatments that are largely ineffective or invasive with significant potential complications. Submucosal bevacizumab has demonstrated efficacy in reducing frequency, duration, and severity of epistaxis in those with HHT. Conclusion: Given the inadequacies and potential drawbacks of current treatments for epistaxis in HHT, there is a need for new therapeutic options. Submucosal bevacizumab has been effective with a limited risk profile in a number of studies and should now be considered as a treatment option for refractory epistaxis. Controlled studies are recommended to quantify optimal dosing, treatment schedule, and specific subpopulations that will respond best to this treatment.
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