Anti-VEGF Bevacizumab (Avastin®) for Radiation Optic Neuropathy
Purpose
To evaluate intravitreal bevacizumab treatment for radiation optic neuropathy (RON).
Design
Interventional case report.
Methods
At The New York Eye Cancer Center, a patient symptomatic of decreased vision because of RON was treated with intravitreal bevacizumab (1.25 mg). Main outcome measures included visual acuity, appearance of the optic nerve, fundus photography, angiography, and optical coherence tomography/scanning laser ophthalmoscopy (OCT/SLO).
Results
Within one week, her vision improved from 20/32 to 20/20 with a reduction in optic disk hemorrhage. At six weeks, evidence of both decreased hemorrhage and optic disk edema was documented by photography, angiography, and OCT/SLO. At the three and five-month follow-up visits, the hemorrhages resolved, and her disk margins were sharp. There were no ocular or systemic side effects.
Conclusions
Intravitreal bevacizumab was tolerated, improved vision, and reduced hemorrhage as well as optic disk edema (angiographic leakage). Anti-VEGF therapy (e.g. bevacizumab) should be investigated for both ocular and nonocular radiation neuropathy.
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This study was supported in part by a Grant from John and Myrna Daniels, Toronto, Ontario, Canada, and The EyeCare Foundation, New York, New York. The author indicates no financial conflict of interest. The author was involved in collection, management, analysis and interpretation of data, and preparation of the data and revision including references; involved in collection of data; and involved in management, statistical analysis and interpretation of the data, and preparation of the manuscript.
PII: S0002-9394(06)01067-1
doi:10.1016/j.ajo.2006.09.014
© 2007 Elsevier Inc. All rights reserved.
