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The Soft Agar Colony Formation Assay
Published on: October 27, 2014
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罗莫苏祖马布在LRP5,LRP6或WNT1变异的患者中是有效的
Felix N von Brackel1, Nicolas Dehne1, Uwe Kornak2
1Department for Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Lottestrasse 59, Hamburg, Germany.
概括
罗莫苏祖马布有效地改善了LRP5/6或WNT1.1.的遗传变异在绝经后妇女的骨矿物质密度和形成. 与抗吸收疗法或不接受治疗相比,这种硬质素抑制剂显示出更好的结果.
科学领域:
- 遗传学和骨代谢 遗传学和骨代谢
- 药理学和治疗学 药理学和治疗学
背景情况:
- 罗莫苏祖马布是一种针对Wnt-β-catenin通路的骨质代谢药物,在绝经后的骨质疏松症中已被证明是有效的.
- 有限的临床数据存在romosozumab在影响LRP5,LRP6或WNT1基因的遗传变异患者的使用.
研究的目的:
- 评估romosozumab在绝经后妇女中具有LRP5/6或WNT1基因中的异合变异的疗效.
- 为了比较romosozumab对骨矿物质密度和骨形成标记物的影响,与这种特定患者群体的抗吸收疗法和不治疗相比.
主要方法:
- 对27名患有LRP5/6或WNT1变异的绝经后妇女的临床常规数据的回顾性分析 (ACMG类别2-5).
- 在33个患者年内采集的数据使用双能X射线吸收计 (DXA),高分辨率外围定量计算断层扫描 (HR-pQCT) 和实验室参数.
- 患者被分为三个组:没有治疗 (NoT),抗吸收疗法 (AR) 和罗莫苏祖马布 (ROMO).
主要成果:
- 与NoT和AR组相比,Romosozumab治疗导致腰椎区域骨矿物质密度 (aBMD) 的提升显著 (15.74%相比,分别为-0.12%和3.97%,p <0.001).
- 罗莫苏祖马布治疗增加了椎骨密度和骨中的质量.
- 骨形成标志物,如骨性酸酶,在6个月后在罗莫苏祖马布组与抗吸收组相比,骨形成标志物增加 (p = 0.026).
结论:
- 罗莫苏祖马布似乎是对具有异性LRP5/6或WNT1变异的患者遗传定义的骨损失的有效治疗方法.
- 罗莫苏祖马布在这个患者队列中表现出优于已有的抗吸收治疗方法的优势.
- 需要对更大的队列进行进一步的研究,特别是研究双基功能丧失变体.
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