A Study to Evaluate Mivelsiran in Adult Participants With Early-Stage Down Syndrome-Associated Alzheimer's Disease (DS-AD)
A Phase 2, Multicenter, Randomized, Double-blind, Placebo-controlled Study, to Evaluate Efficacy, Safety, Tolerability, and Pharmacodynamics of Intrathecally Administered Mivelsiran in Adult Participants With Early-Stage Down Syndrome-Associated Alzheimer's Disease (DS-AD)
研究概览
研究类型
注册 (估计的)
阶段
- 阶段2
联系人和位置
学习联系方式
- 姓名:Alnylam Clinical Trial Information Line
- 电话号码:1-877-ALNYLAM
- 邮箱:clinicaltrials@alnylam.com
研究联系人备份
- 姓名:Alnylam Clinical Trial Information Line
- 电话号码:1-877-256-9526
- 邮箱:clinicaltrials@alnylam.com
参与标准
资格标准
适合学习的年龄
- 成人
接受健康志愿者
描述
Inclusion Criteria:
- Clinical diagnosis of Down-Syndrome (DS) associated with trisomy 21
- Positive amyloid PET scan
- Cognitively stable in the opinion of the investigator
- Seizures must be well controlled with no occurrence of seizures in the 6 months prior to screening
Exclusion Criteria:
- Has severe intellectual disability (ID)
- Has a history of DS regression disorder
- Has alanine aminotransferase (ALT) or aspartate aminotransferase (AST) >2×upper limit of normal (ULN) at Screening
- Has estimated glomerular filtration rate (eGFR) <45 mL/min/1.73m^2 at Screening
- Has recently received an investigational agent
- Has had treatment with amyloid-targeting antibody
- Comorbidities such as obstructive sleep apnea and hypothyroidism that are not well controlled
Note: other protocol defined inclusion / exclusion criteria apply
学习计划
研究是如何设计的?
设计细节
- 主要用途:治疗
- 分配:随机化
- 介入模型:并行分配
- 屏蔽:四人间
武器和干预
参与者组/臂 |
干预/治疗 |
|---|---|
|
实验性的:Mivelsiran (Treatment Group A)
Participants will be administered multiple low doses of mivelsiran.
|
Mivelsiran will be administered intrathecally
其他名称:
|
|
实验性的:Mivelsiran (Treatment Group B)
Participants will be administered multiple high doses of mivelsiran.
|
Mivelsiran will be administered intrathecally
其他名称:
|
|
安慰剂比较:Placebo (Treatment Group C)
Participants will be administered multiple doses of placebo.
|
安慰剂将通过鞘内给药
|
研究衡量的是什么?
主要结果指标
结果测量 |
大体时间 |
|---|---|
|
Double-Blind Period: Change from baseline in brain amyloid burden measured in centiloids (CLs)
大体时间:Up to 24 months
|
Up to 24 months
|
次要结果测量
结果测量 |
大体时间 |
|---|---|
|
Double-Blind Period: Change from baseline in APP protein concentration in cerebrospinal fluid (CSF)
大体时间:Up to 24 months
|
Up to 24 months
|
|
Double-Blind Period: Change from baseline in the concentration of amyloid beta proteins in CSF
大体时间:Up to 24 months
|
Up to 24 months
|
|
Double-Blind Period: Change from baseline in the concentration of tau proteins in plasma
大体时间:Up to 24 months
|
Up to 24 months
|
|
Double-Blind Period: Change from baseline on a cognitive scale
大体时间:Up to 24 months
|
Up to 24 months
|
|
Double-blind Period and Open-label Extension (OLE) Period: Frequency of adverse events (AEs)
大体时间:Up to 36 months
|
Up to 36 months
|
合作者和调查者
调查人员
- 研究主任:Medical Director、Alnylam Pharmaceuticals
研究记录日期
研究主要日期
学习开始 (实际的)
初级完成 (估计的)
研究完成 (估计的)
研究注册日期
首次提交
首先提交符合 QC 标准的
首次发布 (实际的)
研究记录更新
最后更新发布 (实际的)
上次提交的符合 QC 标准的更新
最后验证
更多信息
与本研究相关的术语
其他研究编号
- ALN-APP-003
- 2025 (美国 NIH 拨款/合同:Faculty of Social Sciences Scientific Grant at the University of Gdańsk)
- 2025-523390-42-00 (克蒂斯)
计划个人参与者数据 (IPD)
计划共享个人参与者数据 (IPD)?
IPD 计划说明
Access to Anonymized individual participant data that support these results is made available 12 months after study completion and not less than 12 months after the product and indication have been approved in the US and/or the EU.
Access to data may be declined where there is likelihood a patient could be identified or other feasibility issue, where there is a potential conflict of interest, a planned business activities or an actual or potential competitive risk. Data will be provided contingent upon the approval of a research proposal and the execution of a data sharing agreement. Timeframes for data access may vary and can take up to 6 months or more.
Requests for access to data can be submitted via the website www.vivli.org. Questions can also be directed to datasharing@alnylam.com.
药物和器械信息、研究文件
研究美国 FDA 监管的药品
研究美国 FDA 监管的设备产品
在美国制造并从美国出口的产品
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