接种过 COVID-19 疫苗的健康成人的鼻腔 Poly-ICLC (Hiltonol®)
I-Ib 期、双盲、随机重复剂量单中心、健康 COVID-19 疫苗接种成人鼻腔 Poly-ICLC (Hiltonol®) 的安全性和免疫原性研究
研究概览
详细说明
最初的 13 名参与者将在仔细监测的条件下按照以下时间表接受 2 个周期的药物或安慰剂,包括观察和记录药物连续给药周期后给药部位反应的检查。 10 名参与者将接受药物治疗,3 名参与者将接受安慰剂治疗。 如果在第 1 周期或第 2 周期中观察到前 6 名接受药物的前 10 名参与者中有 2 名剂量限制性毒性(DLT,参见第 5.1 节)或 3 名 DLT,则安全停止规则是实施注册暂停。 独立的 DSMB 将对安全数据进行审查,以确定 DLT 与药物暴露的相关性,并提供继续进行的建议。 因此,如果确定安全事件与药物暴露无关(或不太可能),则可以恢复试验。 独立的 DSMB 将在研究继续之前审查安全性和耐受性数据。
如果在 10 名接受药物的参与者中最多观察到 2 名 DLT,则将开启 Ib 期扩展队列。 扩展队列将接受 3 个周期的治疗。 总共 30 名参与者将按 4:1 的比例随机分配接受药物 (N=24) 或安慰剂 (N=6)。 将有广泛的毒性评估和提前停止规则以实施暂停注册和独立的 DSMB 安全数据审查以确定与药物暴露的相关性以推荐试验继续,将如上所述采用。 安全性和耐受性将是主要终点,但次要终点包括免疫学参数的变化。
研究类型
注册 (实际的)
阶段
- 阶段1
联系人和位置
学习地点
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Alberta
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Calgary、Alberta、加拿大、T2N 4Z6
- Health Research Innovation Centre
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参与标准
资格标准
适合学习的年龄
接受健康志愿者
描述
录取标准
- 第一阶段队列 A:受试者必须在 18 至 69 岁之间。 1b 期队列 B:受试者必须年满 18 岁。 为了降低风险,不会在队列 A 中招募 70 岁以上的参与者。
无症状;定义为没有出现症状问卷中确定的任何症状
- 发烧
- 咳嗽
- 呼吸困难
- 疲劳
- 肌肉或关节痛
- 咽喉痛
- 鼻塞或流鼻涕
- 恶心,呕吐
- 头痛
- 困惑
- 腹泻
- 嗅觉或味觉丧失
- SARS-CoV-2 阴性诊断筛查时的 COVID-19 鼻咽拭子
- 愿意并能够提供血液、鼻咽拭子、鼻单核样本
- 已完全接种 COVID-19 疫苗并且在研究开始前至少 30 天接受过最后一剂 COVID-19 疫苗接种的健康人。 接种过 COVID-19 加强针的健康人有资格参加。 剂量的疫苗接种日期和收到的特定疫苗将被记录下来。
- 能够提供知情同意
- 有生育潜力的女性参与者和有生育潜力伴侣的男性参与者必须同意在研究治疗期间和最后一次研究药物给药后 90 天内使用适当的避孕方法(如下所述)。 有生育能力的女性参与者是除手术绝育、有医学记录的卵巢功能衰竭或绝经后至少 1 年的参与者之外的所有参与者
- 可接受的血液学、肾脏和肝脏功能如下:
1. 中性粒细胞绝对计数 > 1000/mcL 2. 血小板 > 50,000/mcL 3. 血红蛋白 >9 g/dL 4. 血清肌酐≤ 2.5 mg/dl 5. 肝功能:
- 总胆红素≤1.5 mg/dl
- AST ≤ 2.0 mg/dl(≤120 IU 或 3x ULN)
排除标准
- 尚未完全接种 COVID-19 疫苗的个人。
- 在过去 120 天内接受过任何血液制品
- 过敏性鼻炎、慢性鼻窦炎或其他需要每日鼻内或口服药物治疗的鼻部炎症性疾病
- 需要每天鼻腔给药的慢性医学问题
- 先前的鼻或鼻窦手术,包括经鼻入路到大脑
- 慢性肺部疾病,包括严重哮喘、慢性阻塞性肺病或慢性支气管炎
- 自身免疫性肝炎、失代偿性肝病、心肌缺血、充血性心力衰竭、心律失常、中性粒细胞减少、血小板减少、严重肾功能不全
- 主要研究者认为会影响参与者安全和/或依从性的精神疾病或认知疾病或消遣性药物/酒精的使用
- 筛查时出现与 COVID-19 感染一致的症状(发烧、急性咳嗽、呼吸急促)
- 筛查时 COVID-19 感染的核酸检测证据
- 由于未知的先天性异常可能性以及该方案可能伤害哺乳婴儿的可能性,参与者不得怀孕或哺乳。
- 诊断为原发性免疫缺陷
- 有不受控制的高血压,在主要研究者看来会带来不可接受的风险。
在过去 1 年内患有需要全身治疗的活动性自身免疫性疾病
- (即使用疾病调节剂、皮质类固醇或免疫抑制药物)
- 替代疗法(例如 甲状腺素、胰岛素或生理性皮质类固醇替代疗法治疗肾上腺或垂体功能不全等)是可以接受的
- 有任何病症、治疗或实验室异常的病史或当前证据,这些异常、治疗或实验室异常可能会混淆试验结果,干扰参与者在整个试验期间的参与,或不符合参与者的最佳利益,在治疗研究者看来
- 主要研究者认为,由于一个或多个原因,参与者将无法遵守所有研究访问,或者如果他们认为试验在临床上不符合参与者的最佳利益
- 对任何蛋白质疗法(例如,重组蛋白、疫苗、静脉内免疫球蛋白、单克隆抗体、受体陷阱)有记录的过敏或超敏反应
- 活动性、未经治疗的结核病
学习计划
研究是如何设计的?
设计细节
- 主要用途:预防
- 分配:随机化
- 介入模型:顺序分配
- 屏蔽:四人间
武器和干预
参与者组/臂 |
干预/治疗 |
|---|---|
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实验性的:安全队列
由 13 名患者组成的随机 (4:1) 初始安全队列将接受 2 个周期的药物治疗 (N=10) 或安慰剂治疗 (N=3)
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安全队列(队列 A)由 13 名患者组成,他们将被随机分配接受 2 个周期的研究药物(N10)或 2 个安慰剂周期(N3)。
其他名称:
扩展队列将接受 3 个周期的治疗。
总共 30 名患者将按 4:1 的比例随机分配接受药物 (N=24) 或安慰剂 (N=6)。
其他名称:
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实验性的:扩展队列
随机 (4:1) 扩展队列将接受 3 个周期的药物 (N=24) 或安慰剂 (N=6)。
总共将累积 30 名患者。
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安全队列(队列 A)由 13 名患者组成,他们将被随机分配接受 2 个周期的研究药物(N10)或 2 个安慰剂周期(N3)。
其他名称:
扩展队列将接受 3 个周期的治疗。
总共 30 名患者将按 4:1 的比例随机分配接受药物 (N=24) 或安慰剂 (N=6)。
其他名称:
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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 |
|---|---|---|
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经鼻给药的 Poly-ICLC (Hiltonol®) 在健康成人中的安全性和耐受性。
大体时间:91天
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根据 DAIDS,安全性将根据从治疗开始到随访期结束(第 91 天)期间经历 DLT(3/4 级不良事件)的参与者人数(百分比)进行衡量和制表。
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91天
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次要结果测量
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
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评估身体对研究药物的反应(药效学)
大体时间:91天
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通过研究对鼻单核细胞和全身炎症标志物的影响,表征局部和全身先天免疫反应对重复鼻内 Poly-ICLC (Hiltonol®) 剂量的药效学
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91天
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合作者和调查者
出版物和有用的链接
一般刊物
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