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RaScaL: A Pilot Study to Assess the Efficacy, Durability, and Safety of a Single Intervention with Ranibizumab plus Peripheral Laser for Diabetic Macular Edema Associated with Peripheral Nonperfusion on Ultrawide-Field Fluorescein Angiography

RaScaL: A Pilot Study to Assess the Efficacy, Durability, and Safety of a Single Intervention... Background and Objectives: To determine the efficacy, durability, and safety of a single treatment with intravitreal ranibizumab plus peripheral scatter laser (RaScaL) in patients with diabetic macular edema associated with peripheral retinal nonperfusion on ultrawide-field fluorescein angiography (UWFA). Study Design: A 6-month, randomized, controlled, prospective phase I/II study of 30 treatment-naïve eyes of 22 patients (8 bilateral patients) with visual impairment secondary to diabetic macular edema associated with peripheral nonperfusion on UWFA. Patients were randomized to receive ranibizumab plus UWFA-guided peripheral scatter laser (n = 15) or triamcinolone acetonide plus macular laser (n = 15). Results: At 6 months, the RaScaL group patients had fewer recurrences warranting retreatment (33% vs. 80%, p < 0.003). Mean change in final visual acuity and central foveal thickness were not statistically significant between groups. Conclusion: This pilot study suggests the efficacy, safety and durability of the RaScaL treatment regimen in patients with diabetic macular edema associated with peripheral nonperfusion on UWFA. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Ophthalmologica Karger

RaScaL: A Pilot Study to Assess the Efficacy, Durability, and Safety of a Single Intervention with Ranibizumab plus Peripheral Laser for Diabetic Macular Edema Associated with Peripheral Nonperfusion on Ultrawide-Field Fluorescein Angiography

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References (17)

Publisher
Karger
Copyright
© 2014 S. Karger AG, Basel
ISSN
0030-3755
eISSN
1423-0267
DOI
10.1159/000367902
Publisher site
See Article on Publisher Site

Abstract

Background and Objectives: To determine the efficacy, durability, and safety of a single treatment with intravitreal ranibizumab plus peripheral scatter laser (RaScaL) in patients with diabetic macular edema associated with peripheral retinal nonperfusion on ultrawide-field fluorescein angiography (UWFA). Study Design: A 6-month, randomized, controlled, prospective phase I/II study of 30 treatment-naïve eyes of 22 patients (8 bilateral patients) with visual impairment secondary to diabetic macular edema associated with peripheral nonperfusion on UWFA. Patients were randomized to receive ranibizumab plus UWFA-guided peripheral scatter laser (n = 15) or triamcinolone acetonide plus macular laser (n = 15). Results: At 6 months, the RaScaL group patients had fewer recurrences warranting retreatment (33% vs. 80%, p < 0.003). Mean change in final visual acuity and central foveal thickness were not statistically significant between groups. Conclusion: This pilot study suggests the efficacy, safety and durability of the RaScaL treatment regimen in patients with diabetic macular edema associated with peripheral nonperfusion on UWFA.

Journal

OphthalmologicaKarger

Published: Jan 1, 2014

Keywords: Diabetic macular edema; Fluorescein angiography; Anti-VEGF; Ranibizumab; Laser photocoagulation; Combination therapy; Optical coherence tomography

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