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重复Neurology:肌酸治疗不能延缓早期亨廷顿病患者的功能衰退

2017-08-09 易湛苗 环球医学资讯

2017年7月,发表在《Neurology》的一项研究,调查了肌酸是否能延缓早期亨廷顿病(HD)成年患者的进行性功能衰退。结果显示,肌酸治疗对延缓功能性衰退没有益处。

2017年7月,发表在《Neurology》的一项研究,调查了肌酸是否能延缓早期亨廷顿病(HD)成年患者的进行性功能衰退。结果显示,肌酸治疗对延缓功能性衰退没有益处。

目的:调查肌酸给药是否能延缓早期亨廷顿病(HD)成年患者的进行性功能衰退。

方法:研究者对每日使用最多40 g的一水肌酸、持续48个月的I和II期HD受试者开展了一项多中心、随机、双盲、安慰剂-对照研究。主要结局测试指标是基线和随访结束期间总功能能力变化率(TFC)。次要结局测试指标包括额外临床评分、耐受性和生活质量的变化。根据不良事件和实验室研究评估安全性。

结果:在北美、澳大利亚和新西兰的46个站点中,553名受试者被随机分配至肌酸组(n=275)或安慰剂组(n=278)。试验计划招募650名患者,但因首次期中分析无获益后而停止。肌酸组主要结局测试指标(TFC)中估算的衰退率是0.82点/年,安慰剂是0.70点/年,支持安慰剂(95%置信区间-0.11~0.35)。肌酸组受试者不良事件多于安慰剂组,包括死亡。亚组分析证实,男性和女性对肌酸治疗反应不同。

结论:该研究数据不支持使用肌酸延缓早期主要HD的功能衰退。

临床试验识别码:NCT00712426。

证据分类:本研究为早期症状性HD患者提供II类证据,一水肌酸对延缓功能性衰退没有益处。

原始出处:
Hersch SM, Schifitto G, Oakes D, et al.The CREST-E study of creatine for Huntington disease: A randomized controlled trial.Neurology. 2017 Aug 8;89(6):594-601. doi: 10.1212/WNL.0000000000004209. Epub 2017 Jul 12.

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