Differentiation between Good and Low-Responders to Intravitreal Ranibizumab for Macular Edema Secondary to Retinal Vein Occlusion.

Menke, Marcel N; Ebneter, Andreas; Zinkernagel, Martin; Wolf, Sebastian (2016). Differentiation between Good and Low-Responders to Intravitreal Ranibizumab for Macular Edema Secondary to Retinal Vein Occlusion. Journal of Ophthalmology, 2016, p. 9875741. Hindawi Publishing Corporation 10.1155/2016/9875741

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Background. Ranibizumab is approved for treatment of macular edema in eyes with retinal vein occlusion (RVO). Some eyes show low-response to treatment with regard to visual acuity gain (VA) and OCT central retinal thickness (CRT) reduction. The goal of this study was to quantify the percentage of low-responders. Methods. Treatment of naïve eyes with macular edema secondary to RVO was included and monthly VA and CRT were analyzed. Four weeks after the loading phase, and at the end of the study, eyes were grouped into low- and good responders based on predefined criteria. The responder and low-responder groups were then compared at various time points. Results. Forty-three eyes were included. Regarding VA, 27.9% were low-responders after the loading phase and 30.2% at the end of the study. For CRT, 34.9% were low-responders after the loading phase versus 27.9% at the end of the study. 75% of patients that were VA low-responders and 73.3% of CRT low-responders after loading phase remained low-responders at the end of the study. Conclusion. Approximately 30% of patients showed low response to ranibizumab after the loading phase and after 1 year of treatment. Two-thirds of patients that were low-responders after the loading phase remained low-responders after 1 year.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Head Organs and Neurology (DKNS) > Clinic of Ophthalmology

UniBE Contributor:

Ebneter, Andreas; Zinkernagel, Martin and Wolf, Sebastian

Subjects:

600 Technology > 610 Medicine & health

ISSN:

2090-004X

Publisher:

Hindawi Publishing Corporation

Language:

English

Submitter:

Andreas Ebneter

Date Deposited:

15 Mar 2017 14:47

Last Modified:

19 Mar 2017 02:17

Publisher DOI:

10.1155/2016/9875741

PubMed ID:

28044102

BORIS DOI:

10.7892/boris.92654

URI:

https://boris.unibe.ch/id/eprint/92654

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