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Journal Article
Research Support, Non-U.S. Gov't
Response of pigment epithelial detachments to intravitreal aflibercept among patients with treatment-resistant neovascular age-related macular degeneration.
Retina 2015 May
PURPOSE: To assess the effect of intravitreal aflibercept on pigment epithelial detachment (PED) in patients with treatment-resistant neovascular age-related macular degeneration.
METHODS: Forty-six patients with vascularized PEDs participating in a wider, prospective clinical trial of treatment-resistant neovascular age-related macular degeneration received 2-mg aflibercept as 3 loading doses 1 month apart, followed by further 2-monthly doses over a total 12-month period. Change in PED dimensions and reflective properties were assessed by optical coherence tomography. Reflectivity was subclassified as solid (hyperreflective), hollow (hyporeflective), or mixed (elements of both).
RESULTS: Aflibercept reduced PED height, width, and length at 48 weeks compared with baseline values (P ≤ 0.01 for all). Reductions in PED height were correlated with reductions in central macular thickness at 48 weeks (R = 0.36, P < 0.001). There was no significant correlation between PED height decrease and visual acuity changes at 48 weeks. Solid PEDs were less likely to experience reductions in all three dimensions than either hollow or mixed PEDs.
CONCLUSION: Aflibercept is effective in reducing PED dimensions in treatment-resistant patients and is most effective in PEDs demonstrating some hyporeflective optical coherence tomography characteristics. Reduction in PED dimensions correlated with central macular thickness, but not with visual acuity changes. The role of PEDs as markers of disease requires further investigation; however, lesions should be monitored for retinal fluid recurrence.
METHODS: Forty-six patients with vascularized PEDs participating in a wider, prospective clinical trial of treatment-resistant neovascular age-related macular degeneration received 2-mg aflibercept as 3 loading doses 1 month apart, followed by further 2-monthly doses over a total 12-month period. Change in PED dimensions and reflective properties were assessed by optical coherence tomography. Reflectivity was subclassified as solid (hyperreflective), hollow (hyporeflective), or mixed (elements of both).
RESULTS: Aflibercept reduced PED height, width, and length at 48 weeks compared with baseline values (P ≤ 0.01 for all). Reductions in PED height were correlated with reductions in central macular thickness at 48 weeks (R = 0.36, P < 0.001). There was no significant correlation between PED height decrease and visual acuity changes at 48 weeks. Solid PEDs were less likely to experience reductions in all three dimensions than either hollow or mixed PEDs.
CONCLUSION: Aflibercept is effective in reducing PED dimensions in treatment-resistant patients and is most effective in PEDs demonstrating some hyporeflective optical coherence tomography characteristics. Reduction in PED dimensions correlated with central macular thickness, but not with visual acuity changes. The role of PEDs as markers of disease requires further investigation; however, lesions should be monitored for retinal fluid recurrence.
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