VEGF-C/D(Opthea)和VEGF-A的双重靶向抑制:2a期临床证实显著提高糖尿病性视网膜病变患者的视力

2020-06-10 MedSci原创 MedSci原创

目前抗VEGF治疗主要是针对VEGF-A,而OPT-302可抑制VEGF-C以及VEGF-D发挥疗效。

Opthea Limited是专注于开发眼部疾病新型生物疗法的制药商,今天宣布了其2a期临床试验的阳性结果,该试验评估了OPT-302(Opthea)联合Eylea(阿柏西普)治疗难治性、持续的糖尿病性视网膜病变(DME)患者的安全性和有效性。

See the source image

图片来源:https://www.retinalphysician.com/issues/2018/april-2018/wet-amd-in-2018-drugs-in-development

该试验达到了预先设定的主要疗效终点,在第12周时有52.8%的患者获得了最佳矫正视力(BCVA)≥5个字母的增加。 2.0 mg OPT-302与2.0 mg Eylea的结合耐受性良好,安全性与Eylea+假手术(对照组)相似。

Eylea是一种玻璃体内注射的血管内皮细胞生长因子-A(VEGF-A)抑制剂。目前抗VEGF治疗主要是针对VEGF-A,而OPT-302可抑制VEGF-C以及VEGF-D。

南加州大学罗斯基眼科学院,实验研究人员David Boyer说道:“鉴于OPT-302联合疗法对VEGF-C/D和VEGF-A的双重靶向抑制表现出多个视觉和解剖学终点的生物活性,这些2a期数据证明该联合疗法具有很大的潜力未来用于改善DME的治疗效果。”

糖尿病性视网膜病变是工作年龄成人视力丧失的主要原因,并且目前治疗方法有限,许多患者对抗VEGF-A疗法的反应不足,对于DME患者的治疗仍然存在显著未满足的需要。如果通过添加OPT-302可以改善这一类难以治疗的患者,这将具有重大的意义。”

原始出处:

https://www.firstwordpharma.com/node/1731368?tsid=4

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    2021-01-18 lujian
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    2020-06-12 zutt
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    2020-06-11 misszhang

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