Long-lasting effects of anti-VEGF/photodynamic combination therapy in the treatment of exudative age-related macular degeneration: a retrospective chart review
Rosemary Silva-Garcia, Colleen McLellan, Fadi S Shaya, Kent W Small
Macula and Retina Institute, Molecular Insight Research Foundation, Cedars-Sinai Medical Towers, Glendale, CA, USA
Purpose: To examine the potential long-term benefit of an anti-VEGF/photodynamic therapy (PDT) combination on patients treated for wet age-related macular degeneration (AMD).
Methods: A retrospective chart review was conducted on 29 eyes (subjects) from 26 patients (eight male and 18 female) that showed sustained, positive response to combination therapy for exudative AMD for a minimum of 1 year. Collected data included: visual acuity, central retinal thickness, intraocular pressure and history of glaucoma, wet AMD onset and treatment history, concomitant use of anticoagulants and past history or development of cerebrovascular or cardiovascular disease while receiving combination therapy.
Results: Subjects underwent an average of five injections and two PDT treatments in total over 16 months before the choroidal neovascular membrane (CNVM) stabilized and became inactive for at least 1 year. Prior to the effective anti-VEGF/PDT combination therapy the median Snellen visual acuity ranged from 20/200 to 20/250 and presented at no worse than 20/200 at 1 year after treatment. Some subjects were followed for up to 5 years and remained inactive.
Conclusion: Combination therapy can cause long-lasting closure of the CNVM, even with advanced disease resistant to anti-VEGF monotherapy.
Keywords: anti-vascular endothelial growth factor, photodynamic therapy, age-related macular degeneration, bevacizumab, visual acuity, intraocular pressure
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