第II阶段试点随机试验中使用佐尼萨米德,用于预发性莱维体病患者的疾病修饰
Keita Hiraga1, Makoto Hattori1, Daigo Tamakoshi1
1Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan.
NPJ Parkinson's disease
|December 1, 2025
概括
佐尼萨米德在试点试验中没有阻止勒维体疾病的进展. 非运动症状恶化,不良事件很常见,这表明早期神经保护的有效性有限.
科学领域:
- 神经科学是一个神经科学.
- 神经学 神经学
- 药理学 药理学是指药理学的学科.
背景情况:
- 勒维体病 (LBD) 是一个重大挑战,原因是不清楚的预发性阶段干预措施.
- 佐尼萨米德的神经保护潜力是公认的,但其在LBD早期的有效性尚未确立.
研究的目的:
- 为了评估尼萨米德在预防神经退行症的有效性,在利维体病的前期阶段.
- 评估佐尼萨米德对多巴胺载体 (DaT) 和心脏MIBG成像在高风险个体的影响.
主要方法:
- 一个II期,随机,双盲,安慰剂控制的试验试验,涉及29名高危人群 (年龄在50-80岁) 患有前期LBD症状.
- 参与者服用佐尼萨米德 (50-100毫克/天) 或安慰剂96周,结果通过DaT-SPECT,心脏MIBG和临床评估进行测量.
主要成果:
- 在zonizamide和安慰剂组之间,在初级结局 (DaT-SPECT结合比率的变化) 中没有发现显著差异.
- 二级结局,包括MIBG参数和运动/认知功能,没有显示出对尼萨米德的显著改善.
- 尼胺与非运动症状的恶化和睡眠和疲劳等频繁的不良事件有关.
结论:
- 这项试点研究表明,尼萨米德在预防LBD前阶段的神经退行不有效.
- 这些发现表明非运动性症状的潜在恶化,并强调需要进行更大规模的试验,谨慎考虑不良事件.
- 这项研究为未来的LBD预防试验提供了有价值的方法见解,尽管由于统计能力有限,有效性结果尚不确定.
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