期刊
OPHTHALMOLOGY
卷 126, 期 1, 页码 87-95出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ophtha.2018.08.001
关键词
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资金
- National Eye Institute
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland [EY14231, EY23207, EY18817]
- Juvenile Diabetes Research Foundation
- Genentech
Purpose: To present the rationale, guidelines, and results of ranibizumab treatment for proliferative diabetic retinopathy (PDR) in Diabetic Retinopathy Clinical Research Network (DRCR. net) Protocol S. Design: Post hoc analyses from a randomized clinical trial. Participants: Three hundred five participants (394 study eyes) having PDR without prior panretinal photocoagulation (PRP). Methods: Intravitreous ranibizumab (0.5 mg) versus PRP for PDR. Ranbizumab-assigned eyes (n = 191) received monthly injections for 6 months unless resolution was achieved after 4 injections. After 6 months, injections could be deferred if neovascularization was stable over 3 consecutive visits (sustained stability). If neovascularization worsened, monthly treatment resumed. Panretinal photocoagulation could be initiated for failure or futility criteria. Main Outcome Measures: Neovascularization status through 2 years. Results: At 1 month, 19% (35 of 188) of ranibizumab-assigned eyes showed complete neovascularization resolution and an additional 60% (113) showed improvement. At 6 months, 52% (80 of 153) showed neovascularization resolution, 3% (4) were improved, 37% (56) were stable, and 8% (13) had worsened since the last visit. Among eyes with versus without resolved neovascularization at 6 months, the median (interquartile range) number of injections between 6 months and 2 years was 4 (1-7; n = 73) versus 7 (4-11; n = 67; P < 0.001). Injections were deferred in 68 of 73 eyes (93%) meeting sustained stability at least once during the study; 62% (42 of 68) resumed injections within 16 weeks after deferral. At 2 years, 43% (66 of 154) showed neovascularization resolution, 5% (7) showed improvement, 23% (36) were stable, and 27% (42) had worsened since the last visit. Only 3 eyes met criteria for failure or futility through 2 years. Conclusions: The DRCR. net treatment algorithm for PDR can provide excellent clinical outcomes through 2 years for patients initiating antievascular endothelial growth factor (VEGF) therapy for PDR. When choosing between anti-VEGF and PRP as first-line therapy for PDR, treatment decisions should be guided by consideration of the relative advantages of each therapeutic method and anticipated patient compliance with follow-up and treatment recommendations. (C) 2018 by the American Academy of Ophthalmology.
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