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Acta Ophthalmol. 2017 Aug;95(5):460-463. doi: 10.1111/aos.13480. Epub 2017 May 29.

Two-year functional and anatomical results after converting treatment resistant eyes with exudative age-related macular degeneration to aflibercept in accordance with a treat and extend protocol.

Author information

1
Department of Ophthalmology, Oslo University Hospital and University of Oslo, Oslo, Norway.

Abstract

PURPOSE:

To study the effects of converting to aflibercept in accordance with a treat and extend (T&E) strategy in eyes with treatment resistant exudative age-related macular degeneration (AMD).

METHODS:

Two-year prospective study of eyes with exudative AMD and persistent macular fluid despite monthly treatment with ranibizumab or bevacizumab. Eyes were converted to 2.0 mg aflibercept in accordance with a T&E protocol.

RESULTS:

Fifty eyes from 47 patients were included. At baseline, the mean central retinal thickness (CRT) was 273 μm and mean best-corrected visual acuity (BCVA) 0.25 logarithm of the minimal angle of resolution (logMAR). The mean number of aflibercept injections the first year was 9.2. After 1 year, there was a reduction in mean CRT to 228 μm (p < 0.001); 22 eyes (44%) had a dry macula; and the mean BCVA was 0.24 logMAR (p = 0.531). The mean number of aflibercept injections the second year was 8.0 (p = 0.013 compared to first year). After 2 years, 24 eyes (48%) received treatment more frequently than every eighth week. The mean CRT was 225 μm (p < 0.001 compared to baseline); 31 eyes (62%) had a dry macula; and mean BCVA was 0.32 logMAR (p = 0.005 compared to baseline). Five eyes did not complete 2 years of aflibercept treatment after failing to improve.

CONCLUSION:

A majority of eyes showed improved anatomic outcomes. There was a small decrease in mean BCVA after the second year of treatment. About half of the eyes required treatment more frequently than the recommended aflibercept label of an 8-week interval.

KEYWORDS:

aflibercept; age-related macular degeneration; exudative age-related macular degeneration; treatment resistance

PMID:
28556485
DOI:
10.1111/aos.13480
[Indexed for MEDLINE]
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