Seongyong Jeong; Min Sagong; Woohyok Chang. Acute angle closure attack after an intravitreal bevacizumab injection for branch retinal vein occlusion: a case report. BMC Ophthalmol. 2017 Mar 14; 17:25 Figure 1. PMCID: PMC5348911. License: CC BY.
Fundus photography (a) and OCT (b) of right eye; a Fundus photography showing extensive flame-shaped hemorrhage along the superotemporal retinal vein. b Optical coherence tomography showing cystoid macular edema and subretinal fluid
ラニビズマブはFab断片(48 kDa)であり、VEGFに対する結合親和性はラニビズマブの方が高い。しかし臨床用量ではCATT・IVAN等の複数RCTで有効性は同等と判断されている6) 12)。IVAN試験ではベバシズマブ群で血清VEGF濃度が60%減少しており、全身半減期が長い(20時間 vs 4時間)ことから全身への曝露量が大きいことが示唆された12)。費用面ではベバシズマブがラニビズマブの50分の1以下であり、世界的な医療アクセスの観点から重要である。
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