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在24个月的时间里,Pegcetacoplan治疗和地理缩的共识特征

Dun Jack Fu¹, Pallavi Bagga¹, Gunjan Naik¹

¹National Institute for Health Research Biomedical Research Centre at Moorfields Eye Hospital and University College London Institute of Ophthalmology, London, United Kingdom.

JAMA ophthalmology

|May 9, 2024

概括

经过24个月的Pegcetacoplan治疗,通过光谱域光学连贯性断层扫描 (SD-OCT) 生物标志物测量,证明了地理缩 (GA) 增长率的降低. 这种效应在每月服用一次和在特定的视网膜区域时更为明显.

科学领域:

眼科医生眼科眼科
医疗成像医学成像
药理学药理学是指药理学的学科.

背景情况:

地理缩 (GA) 是导致视力丧失的主要原因.
光谱域光学连贯性断层扫描 (SD-OCT) 对GA成像至关重要.
自动化定量OCT分析可以提高GA诊断和监测.

研究的目的:

分析佩格塞塔科普兰和共识GA SD-OCT终点之间的关联.
通过使用SD-OCT来评估pegcetacoplan在减少GA生长中的有效性.

主要方法:

从OAKS和DERBY第三阶段试验中的936名参与者中对11,614个SD-OCT卷进行了后期分析.
参与者接受了每月或每隔两个月的佩格塞塔科普兰或假注射,持续24个月.
主要终点:使用SD-OCT的视网膜色素表皮和外视网膜缩区域的变化,由ETDRS区域分析.

主要成果:

与假冒治疗相比,对Pegcetacoplan的治疗与24个月的GA生长率降低有关.
缩区域的减少在3至24个月的所有时间点都是显著的.
每月使用佩格塞塔科普兰的减量趋势比每隔一个月使用更大,特别是在偏和偏区域.

结论:

佩格塞塔科普兰治疗与地理缩的增长减少有关.
这些发现提供了对基基对视网膜色素表皮和GA中的光受体的影响的见解.
定量SD-OCT分析支持pegcetacoplan在管理GA中的作用.

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