4.2 Article

Early OCTA Changes of Type 3 Macular Neovascularization Following Brolucizumab Intravitreal Injections

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MEDICINA-LITHUANIA
卷 58, 期 9, 页码 -

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MDPI
DOI: 10.3390/medicina58091180

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neovascular age-related macular degeneration; type 3 neovascularization; retinal angiomatous proliferation; brolucizumab; optical coherence tomography angiography; intravitreal injection

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This study evaluated the efficacy of brolucizumab IVI for type 3 neovascularization in nAMD using OCTA. The results showed that brolucizumab IVI has good short-term efficacy for the treatment of type 3 neovascularization.
Background and Objectives: Brolucizumab is a novel anti-vascular endothelial growth factor (VEGF), whose efficacy has been shown in the Hawk and Harrier phase 3 clinical studies. The goal of the present case series is to report initial results of brolucizumab intravitreal injections (IVI) on type 3 neovascularization in neovascular age-related macular degeneration (nAMD), evaluated by optical coherence tomography angiography (OCTA). Materials and Methods: This is a bicentric retrospective case series. Patients with newly diagnosed type 3 MNV treated with brolucizumab IVI and at least 6 months follow-up were enrolled. OCTA en face images and B-scans were analyzed for lesions at baseline, 1 month, 3 months, and 6 months. Whenever detectable, lesion area on outer retina and choriocapillaris layers was measured. Results: Twelve eyes of 12 patients were included into the study. The most consistent OCTA sign at baseline was the presence of a vascular tuft in the outer retina (100%). The highest response was achieved at 3 months, with statistically significant decrease in lesion detection in the outer retina, in the choriocapillaris, and outer retinal lesion size. At 6 months, 58% of outer retinal lesions had disappeared. Conclusions: Brolucizumab IVI shows a good short-term efficacy for the treatment of type 3 neovascularizations. Further studies with greater number of patients and longer follow-up are warranted to confirm these findings.

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