脐带血细胞 (MC001) 移植到受伤的脊髓中,然后进行运动训练
2023年8月22日 更新者:StemCyte, Inc.
脐带血细胞移植 (MC001) 进入受伤脊髓的随机对照 II 期双臂研究,随后对慢性完全性脊髓损伤 (SCI) 患者进行运动训练。
脐带血单核干细胞 (UCBMSCs) 移植后进行强化运动训练,每天 5±1 小时,每周 5±1 天,持续 3-6 个月,用于治疗慢性、稳定和完全性脊柱炎患者脐带损伤。
研究概览
详细说明
这项研究是一项随机对照的 II 期双臂研究,将脐带血单核细胞 (MC001) 移植到受伤的脊髓中,然后进行每天 5±1 小时、每周 5±1 天的运动训练, 持续 3-6 个月。
总共 18 名患有慢性完全性脊髓损伤 (SCI) 的受试者将被随机分配到两组中的一组。 分配到 A 组的受试者将接受 640 万个 UCBMNC (MC001) 移植到椎板切除术暴露的损伤部位上方和下方的背根进入区。 B 组的受试者将不会进行 MC001 移植或手术。 所有受试者都将接受 3-6 个月的强化运动训练。
研究类型
介入性
注册 (估计的)
18
阶段
- 阶段2
联系人和位置
本节提供了进行研究的人员的详细联系信息,以及有关进行该研究的地点的信息。
学习联系方式
- 姓名:Bobo Chen, PhD
- 电话号码:300 886 2 2655 8558
- 邮箱:us105d@stemcyte.com.tw
参与标准
研究人员寻找符合特定描述的人,称为资格标准。这些标准的一些例子是一个人的一般健康状况或先前的治疗。
资格标准
适合学习的年龄
18年 至 60年 (成人)
接受健康志愿者
不
描述
纳入标准:
- 男性和女性受试者≥18 岁至≤60 岁。
- 通过 MRI 在 C5 和 T11 之间的神经水平(具有完整运动和感觉评分的最低连续脊髓节段水平)的创伤性 SCI。
注意:对于每个研究中心的前三名受试者,SCI 的神经学水平将限于胸部区域(T1 和 T11 之间)。
- 患有慢性 SCI(定义为初次 SCI 手术后 ≥ 12 个月)且神经系统检查结果稳定至少六个月并且能够使用站立架、倾斜台或等效设备站立至少 1 小时/天的受试者。
- 当前神经系统状态为 ASIA 损伤等级 A(完整)的受试者。
- 经 MRI 扫描证实,脊髓的损伤部位在三个椎体水平以内。
- 受试者的身体健康状况必须足以耐受手术并参加强化步行计划。
- 筛选访问时临床上正常的静息 12 导联 ECG,或者如果异常,则由首席研究员认为没有临床意义。
- 男性和女性受试者及其育龄伴侣必须同意使用医学上可接受的避孕方法。
- 愿意并能够参与研究的所有方面,包括完成主观评估、参加预定的门诊就诊以及遵守所有方案要求(通过提供书面知情同意书证明)。
- 为每个受试者确定至少一个冷冻 HLA 匹配(≥4:6 到特定患者)CBU。
排除标准:
- 根据研究者的医学判断,具有临床意义的肾脏、心血管、肝脏和精神疾病或其他可能增加手术期间或手术后并发症风险或可能降低患者参加高强度运动训练能力的疾病。
- 研究者认为可能会干扰治疗或参与研究的任何具有临床意义的医疗状况或感染(包括但不限于乙型肝炎病毒或 HIV 的携带者)的存在。
- 患有弛缓性麻痹且腿部深腱反射消失、下肢严重萎缩或有其他腰骶损伤、周围神经损伤和运动神经元丧失证据的受试者。
- 负重骨关节骨折。 这些包括股骨、胫骨和腓骨以及踝关节、膝关节或髋关节的骨折。 如果此类骨折已经愈合,则可以将患者纳入试验。
- 大脑、外周神经或肌肉的损伤可能会干扰神经系统或步行评估。
- 孕妇或哺乳期妇女。
- 无法获得 HLA 匹配的脐带血细胞。
椎板切除手术或运动训练的任何禁忌症包括:
- 患有活动性感染性疾病的患者。
- 植入部位或其附近有伤口感染的患者。
- 植入部位或植入部位附近脊柱严重畸形的患者。
- 患者有免疫功能低下的情况,或者患有已知的自身免疫性疾病,或者是人类免疫缺陷病毒 (HIV) 血清反应阳性。
- 除学习外,患者有持续的中度至重度器官损伤。
- 如果首席研究员认为具有临床意义且不稳定,则筛选时肾功能异常、心血管疾病、抑郁症的受试者将被排除在外。
- 目前正在参加另一项调查研究或在本研究筛选前的最后 4 周内一直服用任何调查药物的受试者。
- 研究者认为表明受试者不符合研究方案和/或不适合参加本研究的任何其他标准。
- 受试者骨密度低(DEXA 扫描结果 T 评分 < -4)。
学习计划
本节提供研究计划的详细信息,包括研究的设计方式和研究的衡量标准。
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:无(打开标签)
武器和干预
参与者组/臂 |
干预/治疗 |
---|---|
实验性的:MC001
UCBMNC(MC001)移植+运动训练
|
活性成分:单核细胞、CD34+、CD133+ 细胞剂量:4 次注射 16 微升(100,000 个细胞/微升)
其他名称:
每天 6 小时、每周 6 天、持续 3-6 个月的运动训练
|
其他:没有治疗
没有手术,没有移植,只有运动训练
|
每天 6 小时、每周 6 天、持续 3-6 个月的运动训练
|
研究衡量的是什么?
主要结果指标
结果测量 |
措施说明 |
大体时间 |
---|---|---|
脊髓损伤步行指数 (WISCI II) 总体测量
大体时间:在第 48 周。
|
本研究的主要终点是脊髓损伤步行指数 (WISCI II) 相对于基线的平均变化。
|
在第 48 周。
|
次要结果测量
结果测量 |
措施说明 |
大体时间 |
---|---|---|
第 6 周和第 28 周的脊髓损伤步行指数 (WISCI II)
大体时间:在第 6 周和第 28 周。
|
脊髓损伤步行指数 (WISCI II) 与基线的平均变化。
|
在第 6 周和第 28 周。
|
脊髓独立性测量 (SCIM III)
大体时间:在第 6、28 和 48 周。
|
脊髓独立性测量 (SCIM III) 基线的平均变化
|
在第 6、28 和 48 周。
|
美国脊髓损伤协会 (ASIA) 运动和感觉评分以及 AIS 等级的测量
大体时间:在第 2、6、28 和 48 周。
|
美国脊髓损伤协会 (ASIA) 评分由三个部分组成: (1) 感觉评分:轻触和针刺(锐/钝辨别)方式各有最高 56 分,每侧总计 112 分身体。
(2)运动成绩:每肢满分25分,上肢总分50分,下肢总分50分。
(3) ASIA 损伤量表:根据保留骶骨的定义,损伤按神经学上“完全”或“不完全”的一般术语分类。
|
在第 2、6、28 和 48 周。
|
其他结果措施
结果测量 |
措施说明 |
大体时间 |
---|---|---|
探索性终点 - 昆明运动评分 (KLS) 测量
大体时间:在第 6、28 和 48 周。
|
昆明运动评分 (KLS) 相对于基线的平均变化。
昆明运动量表 (KLS) 是一个 10 级罗马数字运动评分系统,描述站立能力、行走能力和所需的支持/设备。
|
在第 6、28 和 48 周。
|
探索性终点 - 数值评定量表 (NRS) 测量
大体时间:在第 2、6、28 和 48 周。
|
神经性疼痛的数值评定量表 (NRS) 基线的平均变化。
将使用 11 个单位的量表,其中 0 代表“无疼痛”,10 代表“最严重的疼痛”。
|
在第 2、6、28 和 48 周。
|
探索性端点 - LANSS 比例测量
大体时间:在第 2、6、28 和 48 周。
|
利兹神经病症状和体征评估 (LANSS) 量表相对于基线的平均变化。 将使用 11 个单位的量表,其中 0 代表“无疼痛”,10 代表“最严重的疼痛”。 Leeds Assessment of Neuropathic Symptoms and Signs (LANSS) 疼痛量表是一种用于分析和分类疼痛的评估工具。 这是一个简单的床边测试,分两部分进行。患者完成的问卷调查和简短的临床评估。 在 LANSS 疼痛量表的七个项目中,五个与症状相关,两个是检查项目。 |
在第 2、6、28 和 48 周。
|
探索性终点 - SSEP 和 MEP 测量
大体时间:在第 48 周。
|
体感诱发电位 (SSEP) 和运动诱发电位 (MEP) 发生积极变化的受试者百分比。
|
在第 48 周。
|
探索性终点 - 长纤维束生长测量
大体时间:在第 6、28 和 48 周。
|
通过磁共振弥散图像 (MR/DTI),长纤维束生长穿过损伤部位的受试者百分比。
|
在第 6、28 和 48 周。
|
合作者和调查者
在这里您可以找到参与这项研究的人员和组织。
出版物和有用的链接
负责输入研究信息的人员自愿提供这些出版物。这些可能与研究有关。
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研究记录日期
这些日期跟踪向 ClinicalTrials.gov 提交研究记录和摘要结果的进度。研究记录和报告的结果由国家医学图书馆 (NLM) 审查,以确保它们在发布到公共网站之前符合特定的质量控制标准。
研究主要日期
学习开始 (实际的)
2022年2月22日
初级完成 (估计的)
2026年8月22日
研究完成 (估计的)
2027年3月31日
研究注册日期
首次提交
2019年6月3日
首先提交符合 QC 标准的
2019年6月6日
首次发布 (实际的)
2019年6月7日
研究记录更新
最后更新发布 (实际的)
2023年8月24日
上次提交的符合 QC 标准的更新
2023年8月22日
最后验证
2023年8月1日
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