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[Intravitreal anti-VEGF therapy with bevacizumab for neovascular AMD]
K B Schaal1, C Engler, F Schütt
1Schwerpunkt Retinologie, Universitäts-Augenklinik, Im Neuenheimer Feld 400, 69120, Heidelberg, Deutschland.
Purpose:
To report on the efficacy of intravitreal bevacizumab as off-label therapy in different angiographic subtypes in neovascular age-related macular degeneration (AMD).
Methods:
Seventy-five patients with neovascular AMD and recent disease progression were classified into different angiographic subtypes and were treated with intravitreal bevacizumab (1.25 mg/0.05 ml) at 6-week intervals. Patients with subfoveal classic choroidal neovascularization (CNV) also received photodynamic therapy. ETDRS visual acuity, ophthalmic exams, and optic coherence tomography (OCT) were performed before treatment, 1 week after treatment, and then on a 6-week basis. Fluorescein angiographies and medical check-ups were also done.
Results:
Bevacizumab led to stabilization of visual acuity (loss of less than 15 letters) in all angiographic subtypes during a follow-up of 37+/-13 weeks. Patients with occult extrafoveal CNV (n=6) profited the most and gained 2+/-2 lines. Treatment with intravitreal bevacizumab was very well tolerated in all patients, with neither systemic nor intraocular side effects, with the exception of one retinal pigment epithelium tear.
Conclusion:
Intravitreal bevacizumab treatment is efficacious in all angiographic CNV subtypes and leads to reduction of macular edema and stabilization or improvement in visual acuity.
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