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基因疗法LentiGlobin治疗镰状细胞病:I / II期临床取得积极结果

2020-06-13 Allan MedSci原创

Bluebird生物公司正在进行的基因疗法LentiGlobin治疗镰状细胞病(SCD)的I / II期研究的最新数据表明,严重的血管闭塞性危机(VOC)和急性胸腔综合征(ACS)已经得以解决。

Bluebird生物公司正在进行的基因疗法LentiGlobin治疗镰状细胞病(SCD)的I / II期研究的最新数据表明,严重的血管闭塞性危机(VOC)和急性胸腔综合征(ACS)已经得以解决。Bluebird生物公司首席医学官David Davidson评论说:“VOC的完全清除表明LentiGlobin可以提供真正有意义的临床益处。此外,抗溶血性HbAT87Q几乎全细胞分布,提示LentiGlobin可能会大大改变该病的病理生理”。

截至3月3日,HGB-206试验中共有34例患者接受了LentiGlobin治疗,结果表明,患者年度VOC及ACS均降低了99.8%。该公司计划在SCD中加速批准LentiGlobin。

镰状细胞性贫血由血红蛋白β链常染色体隐性单基因缺陷引起,该缺陷可导致镰状细胞血红蛋白(sickle cell haemoglobin,HbS)的产生。如果自父母一方遗传了 HbS,而自父母另一方遗传了另一种异常血红蛋白(或称 β 地中海贫血),可能发生其他形式的镰状细胞病(例如HbSC或HbSB地中海贫血)。

 

原始出处:

https://www.firstwordpharma.com/node/1732154

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