在RPE65视网膜退行症的年轻患者中,基因治疗结果
Kirk A J Stephenson1, Abrar K Alsalamah2, Anupreet Tumber1
1Department of Ophthalmology and Vision Sciences, The Hospital for Sick Children, Toronto, ON, Canada.
Canadian journal of ophthalmology. Journal canadien d'ophtalmologie
|February 12, 2026
概括
沃雷特基因pararvovec-rzyl (VN) 基因疗法可以在患有RPE65-LCA的年轻患者中安全地改善视网膜敏感性. 虽然发生了胆管缩,但功能结果仍然是积极的,表明VN VN.
科学领域:
- 眼科医生 眼科 眼科
- 遗传学 是一个遗传学.
- 视网膜疾病 视网膜疾病
背景情况:
- 勒伯先天性黄斑症 (LCA) 是一种严重的遗传性视网膜变症.
- RPE65基因突变导致LCA病例的显著子集.
- 沃雷特基因pararvovec-rzyl (VN) 是一种已批准用于RPE65-LCA的基因疗法.
研究的目的:
- 评估VN基因治疗在患有RPE65-LCA的年轻患者 (≤21岁) 的安全性和有效性.
- 在这个特定的人群中报告视觉敏度,视野和视网膜敏感性结果.
- 评估胆管形缩对治疗后功能结果的影响.
主要方法:
- 对18名两RPE65-LCA患者 (≤21岁) 进行了回顾性审查,这些患者接受了VN治疗.
- 平均随访时间为14.8个月.
- 测量结果包括最佳校正视敏度 (BCVA),戈德曼视野 (GVF),白色全场刺激测试 (FSTw),中枢视网膜厚度 (CRT) 和圆形区域宽度.
主要成果:
- 100%的患者在FSTw (视网膜敏感性) 中显著改善.
- 分别在11%和39%的患者中观察到BCVA和GVF的改善.
- 截至最后一次诊所检查时,所有患者都存在胆管缩 (CRA);基线缩与较差的结果相关,但炎症没有影响功能结果.
结论:
- 在年轻的RPE65-LCA患者中,VN基因疗法对改善视网膜敏感性是安全有效的.
- 尽管治疗后出现CRA,但治疗显示出积极的功能结果.
- VN为患有RPE65-LCA的儿科和年轻成年人群提供了可行的治疗选择.
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