Purpose: To describe the patient's allergic response to anti-vascular endothelial growth factor drugs after receiving intravitreal bevacizumab for choroidal neovascularization.

Methods: Clinical case report.

Results: Formal allergy evaluation revealed hypersensitivity to bevacizumab and ranibizumab, but not to pegaptanib or aflibercept.

Conclusion: Bevacizumab and ranibizumab are derivatives of murine monoclonal antibodies, whereas pegaptanib is an aptamer and aflibercept is a fusion protein of human origin. These chemical origins may allow patients to receive pegaptanib or aflibercept despite having allergy to bevacizumab or ranibizumab.

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http://dx.doi.org/10.1097/ICB.0000000000000581DOI Listing

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