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Integrated results from the COPERNICUS and GALILEO studies

Authors Pielen A, Clark WL, Boyer DS, Ogura Y, Holz FG, Korobelnik JF, Stemper B, Asmus F, Rittenhouse KD, Ahlers C, Vitti R, Saroj N, Zeitz O, Haller JA

Received 28 April 2017

Accepted for publication 17 June 2017

Published 23 August 2017 Volume 2017:11 Pages 1533—1540

DOI https://doi.org/10.2147/OPTH.S140665

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Amy Norman

Peer reviewer comments 2

Editor who approved publication: Dr Scott Fraser

Amelie Pielen,1,2 W Lloyd Clark,3 David S Boyer,4 Yuichiro Ogura,5 Frank G Holz,6 Jean-Francois Korobelnik,7,8 Brigitte Stemper,9,10 Friedrich Asmus,9 Kay D Rittenhouse,11 Christiane Ahlers,9 Robert Vitti,12 Namrata Saroj,12 Oliver Zeitz,9,13,14 Julia A Haller15

On behalf of the COPERNICUS and GALILEO study group

1Eye Center, University Hospital Freiburg, Eye Hospital, Freiburg, 2Hannover Medical School, University Eye Hospital, Hannover, Germany; 3Palmetto Retina Center, Columbia, SC, USA; 4Retina-Vitreous Associates Medical Group, Beverly Hills, CA, USA; 5Department of Ophthalmology and Visual Science, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan; 6Department of Ophthalmology, University of Bonn, Bonn, Germany; 7Service d’ophtalmologie, CHU de Bordeaux, 8Service d’ophtalmologie, University of Bordeaux, Inserm, Bordeaux Population Health Research Center, Team LEHA, UMR 1219, Bordeaux, France; 9Bayer AG, Berlin, 10Department of Neurology, University of Erlangen-Nuremberg, Erlangen, Germany; 11Bayer US LLC, Whippany, NJ, 12Regeneron Pharmaceuticals, Tarrytown, NY, USA; 13AKH Eye Clinic, Braunschweig, 14Universitätsklinikum Hamburg-Eppendorf, Klinik und Poliklinik für Augenheilkunde, Hamburg, Germany; 15Wills Eye Hospital, Thomas Jefferson University, Philadelphia, PA, USA

Objectives: To report on the efficacy and safety of intravitreal aflibercept in patients with macular edema secondary to central retinal vein occlusion (CRVO) in an integrated analysis of COPERNICUS and GALILEO.
Patients and methods: Patients were randomized to receive intravitreal aflibercept 2 mg every 4 weeks or sham injections until week 24. From week 24 to week 52, all intravitreal aflibercept-treated patients in both studies and sham-treated patients in COPERNICUS were eligible to receive intravitreal aflibercept based on prespecified criteria. In GALILEO, sham-treated patients continued to receive sham treatment through week 52.
Results: At week 24, mean gain in best-corrected visual acuity and mean reduction in central retinal thickness were greater for intravitreal aflibercept-treated patients compared with sham, consistent with individual trial results. At week 52, after 6 months of intravitreal aflibercept as-needed treatment in COPERNICUS, patients originally randomized to sham group experienced visual and anatomic improvements but did not improve to the extent of those initially treated with intravitreal aflibercept, while the sham group in GALILEO did not improve over week 24 mean best-corrected visual acuity scores. Ocular serious adverse events occurred in <10% of patients.
Conclusion: This analysis of integrated data from COPERNICUS and GALILEO confirmed that intravitreal aflibercept is an effective treatment for macular edema following CRVO.

Keywords: macular edema, central retinal vein occlusion, anti-vascular endothelial growth factor, aflibercept, COPERNICUS, GALILEO

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