在一种新型的LDLR变异的法不耐受性FH患者中PCSK9抑制剂失效:一个病例报告
Yuan Li1, Huiyan Jiang1, Yajuan Xiong1
1Department of Pharmacy, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, Jiangsu, China.
Frontiers in cardiovascular medicine
|October 8, 2025
概括
对PCSK9抑制剂耐药的家族高胆固醇血症 (FH) 患者可能具有新型的LDLR基因变异. 基因检测可以为这些具有挑战性的病例提供个性化的治疗指南.
科学领域:
- 心脏病学 心脏病学
- 遗传学 是一个遗传学.
- 药理学 药理学是指药理学的学科.
背景情况:
- 家族性高胆固醇血症 (FH) 影响数百万,其主要治疗方法是他类药物和PCSK9抑制剂.
- 类固醇不耐受性和对PCSK9抑制剂的不良反应在FH管理中带来了重大临床挑战.
- 在中国发生的异性FH (HeFH) 病例说明了治疗困难.
研究的目的:
- 报告一个对多种PCSK9抑制剂耐药的FH病例.
- 为了确定治疗耐药性的遗传基础.
- 展示一种有效的替代治疗策略.
主要方法:
- 一个56岁的女性患有HeFH的病例报告.
- 分析患者对simvastatin和多种PCSK9抑制剂的反应.
- 全基因测序以识别新的遗传变异.
- 用罗斯瓦斯塔丁和埃泽提米布治疗.
主要成果:
- 患者经历了高肝酶和肌酸酶与simvastatin.
- 患者对三种不同的PCSK9抑制剂没有反应.
- 在LDLR基因 (c.1700C>T,p.Thr567Ile) 中发现了一种新型异构合错误变异.
- 配合罗斯瓦斯塔丁和埃泽蒂米布的联合治疗成功地达到脂度的目标,没有任何不良事件.
结论:
- 对于不对PCSK9抑制剂反应的FH患者来说,基因检测至关重要.
- 新的LDLR变种可能会导致对PCSK9抑制剂的耐药性.
- 基于遗传发现的个性化治疗策略对于管理复杂的FH病例至关重要.
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