抗血管内皮生长因子(VEGF)治疗应用于眼底新生血管疾病领域以来,在提高视力、稳定疾病病变和在某些情况下逆转疾病方面显示了卓越的效果。但抗VEGF治疗需要频繁玻璃体内注射给药,患者治疗负担重,长期疗效受影响。前期临床研究发现,调控血管生成素(Ang)/含免疫球蛋白样环和上皮生长因子样域酪氨酸激酶(Tie)通路在眼底新生血管疾病的治疗中有较好的效果。目前已发布了3个Ang/Tie通路阻断药物治疗眼底新生血管疾病的临床研究数据,其中靶向VEGF-A和Ang-2的双特异性免疫球蛋白G1抗体faricimab进入了Ⅲ期临床试验并达到终点,faricimab的2种延长治疗间隔(12周和16周)的给药方案均被证实有效。本文基于已发表的研究报告,就调控Ang/Tie通路在眼底新生血管性疾病治疗中的作用及临床应用作一综述,总结分析Ang/Tie通路的作用机制以及未来药物的应用前景。
The emergence of anti-vascular endothelial growth factor (VEGF) therapy has reduced the overall incidence of blindness from ocular neovascular disease.However, frequent intravitreal injections of anti-VEGF therapy are required, which places a significant burden to patients and affects long-term benefits.The angiopoietin (Ang)/tyrosine kinase with immunoglobulin-like and endothelial growth factor-like domains (Tie) pathways are identified as potentially therapeutic regulators for ocular neovascular disease, with additional benefits over anti-VEGF-A therapy.For ocular neovascular diseases, three molecules targeting the Ang/Tie pathway have been studied in clinical trials and the data released, in which faricimab, a bispecific immunoglobulin G1 antibody targeting VEGF-A and Ang-2, entered phase Ⅲ studies and met primary clinical endpoints, and two dosing regimens with prolonged treatment intervals (12 and 16 weeks) of faricimab showed reliable efficacy.Overall, the regulation of Ang/Tie pathway provides a new treatment option for ocular neovascular diseases, and it is necessary to deeply understand the mechanism of action of the pathway and accumulate more clinical data in the future.
杨婧研,魏文斌. 调控Ang/Tie信号通路治疗眼底新生血管性疾病的研究进展[J]. 中华实验眼科杂志,2024,42(05):467-472.
DOI:10.3760/cma.j.cn115989-20220618-00283版权归中华医学会所有。
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