Baseline Optical Coherence Tomography Findings as Outcome Predictors after Switching from Ranibizumab to Aflibercept in Neovascular Age-Related Macular Degeneration following a Treat-and-Extend RegimenTürksever C.a · Prünte C.b, c · Hatz K.a, c
aVista Klinik, Binningen, bDepartment of Ophthalmology, Kantonsspital Liestal, Liestal, and cDepartment of Ophthalmology, University of Basel, Basel, Switzerland
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Article / Publication Details
Purpose: To evaluate outcome predictors of aflibercept in neovascular age-related macular degeneration pretreated with ranibizumab based on a treat-and-extend regimen (TER). Methods: We performed a retrospective evaluation of 18-month follow-up of 45 consecutive patients with limited response to ranibizumab. Results: At month 18, mean central retinal thickness and intraretinal fluid (IRF) height were significantly reduced. The recurrence-free treatment interval (RFTI) increased from 7.0 ± 1.8 to 8.5 ± 2.4 weeks (p = 0.01); visual acuity remained stable. At month 18, 58.1% of patients showed a longer RFTI. At month 12, eyes with baseline subretinal fluid (SRF) had a shorter RFTI than those without SRF (p = 0.032). Eyes with baseline IRF showed a longer RFTI than those without IRF (p = 0.037). Baseline hyperreflective foci (HRF) presence indicated improvement in SRF (p = 0.024) and IRF at month 12 (p = 0.049). Conclusion: Baseline HRF presence predicted better morphological outcome, while SRF predicted a shorter RFTI and IRF a longer RFTI after switching from ranibizumab to aflibercept within a TER.
© 2017 S. Karger AG, Basel
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