One-year outcome after intravitreal ranibizumab for large, serous pigment epithelial detachment secondary to age-related macular degeneration

S Arora, M McKibbin
Eye 2011, 25 (8): 1034-8

AIM: To report the effects of intravitreal ranibizumab therapy for large, serous pigment epithelial detachment (PED), secondary to age-related macular degeneration, and occupying more than 50% of the total lesion area.

MATERIALS AND METHODS: In a retrospective case series, visual acuity, ocular coherence tomography (OCT), and safety data were collected for 19 eyes of 19 patients, with serous PED and evidence of disease progression. Intravitreal ranibizumab of 0.5 mg was given with a loading phase of three consecutive monthly injections, followed by monthly review with further treatment, as indicated according to visual acuity and OCT findings. The change in visual acuity and maximum PED height from baseline to month 12 was determined.

RESULTS: Moderate visual loss was avoided in 18/19 eyes (95%) at the 12-month examination. In all, 12 eyes (63%) had an increase in ETDRS letter score from baseline, and five eyes (26%) had a gain of 15 or more letters. Although there was a trend for the PED height to reduce with treatment, in none of the cases was the PED seen to resolve completely. There was no difference in functional or anatomical outcome between the avascular and vascularised serous PED. A single eye developed a retinal pigment epithelium rip, complicated by extensive sub-retinal haemorrhage, during the study period.

CONCLUSIONS: Visual acuity outcomes of intravitreal ranibizumab for large serous PED are comparable to those seen in multicentre, phase 3 trials of other lesion types, and were obtained without the need for either monthly, fixed treatment, or for continued treatment until the PED resolves.

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