JOURNAL ARTICLE

Photodynamic therapy with verteporfin for retinal angiomatous proliferation

Francesco Boscia, Maurizio Battaglia Parodi, Claudio Furino, Michele Reibaldi, Carlo Sborgia
Graefe's Archive for Clinical and Experimental Ophthalmology 2006, 244 (10): 1224-32
16525824

PURPOSE: The aim of this study was to evaluate the results of photodynamic therapy (PDT), using verteporfin, for subfoveal neovascular age-related macular degeneration (ARMD) with retinal angiomatous proliferation (RAP) with pigment epithelial detachment (PED) and/or choroidal neovascularization (CNV).

METHODS: In this non-comparative, consecutive, interventional, case series, the data on 21 eyes (19 with stage 2 and two with stage 3 RAP) of 20 patients were reviewed. Serous PED occupied more than 50% of the lesion in 19 eyes. PDT was performed as per TAP protocol. Biomicroscopy and fluorescein and indocyanine-green angiography were performed to evaluate anatomical results and need for retreatment. Changes from baseline in best-corrected visual acuity (BCVA), and complications, were assessed.

RESULTS: A mean of 3.5+/-0.9 treatments was performed. After 13.7+/-2.2 months, mean BCVA decreased from 20/80 to 20/174 (P=0.0063). In six eyes (28.6%) BCVA remained stable, whereas in 15 eyes (71.5%) it decreased. Occlusion of RAP and flattening of PED was observed in three (14.2%) eyes, conversion to disciform lesion in one (4.7%), and persistence of PED in 11 eyes (52.3%). One eye (4.7%) evolved to haemorrhagic PED, and one (4.7%) toward stage 3 RAP. A tear in the retinal pigment epithelium (RPE) was observed in four eyes (19%). Eleven (52.3%) showed progression of leakage, six moderate leakage (28.6%), and three (14.2%) absence of leakage.

CONCLUSIONS: Timely PDT with verteporfin in the early stages in eyes with smaller lesions has the potential for a beneficial effect on vision, whereas it might worsen the natural course of larger lesions, with most eyes undergoing enlargement, disciform transformation or RPE tear.

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