托莱布鲁丁尼二期2b长期扩展研究:复发性多发性硬化症患者的两年安全性,MRI和临床疗效结果
Jiwon Oh1, Robert J Fox2, Douglas Lorne Arnold3
1Division of Neurology, Department of Medicine, St. Michael's Hospital, University of Toronto.
Neurology open access
|February 20, 2026
概括
托莱布鲁丁尼,一种口服布鲁顿的氨酸激酶 (BTK) 抑制剂,在两年内在多发性硬化症 (MS) 患者中表现出可接受的安全性和持续的疗效. 该药物对MRI病变和复发率表现出持久的影响,支持其作为疾病修饰疗法的潜力.
科学领域:
- 神经科学是一个神经科学.
- 免疫学 免疫学 免疫学
- 药理学 药理学 是一个学科.
背景情况:
- 托莱布鲁替尼是口服,脑透的布鲁顿的氨酸激酶 (BTK) 抑制剂,用于多发性硬化症 (MS) 的研究.
- 之前的2b期试验表明托勒布鲁丁尼的耐受性和剂量依赖性减少了复发性多发性硬化症患者的新型MRI病变.
研究的目的:
- 评估托莱布鲁丁尼布在多发性硬化症患者的长期安全性和有效性.
- 评估tolebrutinib对MRI病变,复发率和残疾的影响在2b期试验后两年的持久性.
主要方法:
- 一个正在进行的,两部分的,开放式扩展研究 (LTS) 招募了完成2b期试验的参与者.
- 参与者从A部分的核心研究中接受了托莱布鲁丁尼布剂量,并在B部分过渡到60毫克/天.
- 通过不良事件来评估安全性,而疗效包括MRI病变计数,年复发率 (ARR) 和扩展残疾状态量表 (EDSS).
主要成果:
- 在LTS Part A的125名参与者中,常见的不良事件包括COVID-19 (21%) 和头痛 (14%).
- 在96周后,每天服用60毫克的参与者中有79%没有新的Gd增强T1病变,ARR为0.17.
- 中位数EDSS得分保持稳定,表明在两年延期研究中持续有效.
结论:
- 在多发性硬化症患者中,托莱布鲁丁尼布在两年内表现出可接受的安全性和持久的疗效.
- 该研究表明MRI测量,ARR和EDSS的持续益处,尽管有效性结论受到开放式设计的限制.
相关概念视频
01:30Radiological Investigation II: MRI and Ventilation Perfusion Scan
1.0K
Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
1.0K
01:21Aneurysm II: Clinical Manifestations and Diagnostic Studies
589
Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
589