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Comparative study of 1+PRN ranibizumab versus bevacizumab in the clinical setting

Authors Carneiro, Mendonça, Falcão M, Fonseca, Brandão E, Falcão-Reis F

Received 16 April 2012

Accepted for publication 5 June 2012

Published 19 July 2012 Volume 2012:6 Pages 1149—1157


Review by Single anonymous peer review

Peer reviewer comments 3

Angela M Carneiro,1,2 Luis S Mendonça,1 Manuel S Falcão,1,2 Sofia L Fonseca,1 Elisete M Brandão,1 Fernando M Falcão-Reis1,2

1Department of Ophthalmology of Hospital de São João, Porto, Portugal; 2Faculty of Medicine of University of Porto, Porto, Portugal

Purpose: We compared the efficacy of intravitreal ranibizumab and bevacizumab for treating neovascular age-related macular degeneration using an on-demand regimen.
Methods: A total of 186 wet age-related macular degeneration eyes of 186 treatment-naïve patients were compared retrospectively (67 eyes treated with ranibizumab with 91 treated with bevacizumab). At baseline, mean age, best corrected visual acuity, and angiographic lesion types were similar in both groups. Best corrected visual acuity and ocular coherence tomography were evaluated.
Results: Sixty eyes treated with ranibizumab and 85 eyes treated with bevacizumab completed a 12-month evaluation. At 12 months, mean best corrected visual acuity increased by +6.65 letters with ranibizumab treatment and by +5.59 with bevacizumab treatment (P = 0.64). Visual acuity improved by ≥15 letters in 15 eyes treated with ranibizumab and in 21 eyes treated with bevacizumab (P = 0.75). An overall reduction in ocular coherence tomography central thickness occurred for all time points. The mean number of injections per eye was 5.97 with ranibizumab and 5.92 with bevacizumab (P = 0.90).
Conclusion: Intravitreal therapies with ranibizumab or bevacizumab have similar visual and anatomical results. These results confirm those of comparison of Age-Related Macular Degeneration Treatment Trials in as-needed cohorts in clinical practice. Randomized long-term clinical trials are necessary to examine the systemic safety of these treatments.

Keywords: AMD, anti-VEGF therapy, bevacizumab, choroidal neovascularization, ranibizumab, wet AMD

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