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Responses to COVID19 Vaccination in Patients With a Treatment History of Rituximab. (RituxiVac)

2021年5月27日 更新者：University Hospital Inselspital, Berne

Registry Study for COVID19 Vaccination Efficacy in Patients With a Treatment History of Rituximab.

Patients with treatment history of rituximab since 01.01.2019 and immunocompetent volunteers will be contacted to give a blood sample after their COVID19 vaccination, and in a subset also before vaccination. Immune responses of antibodies and SARS-CoV2-specific T-cells to the vaccination will be quantified and the rituximab effect on COVID19 vaccine-induced immune responses is analyzed.

研究概览

地位

招聘中

条件

干预/治疗

研究类型

观察性的

注册 (预期的)

425

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

研究联系人备份

学习地点

  • 瑞士
    • BE
      • Bern、BE、瑞士、3010
        • 招聘中
        • University Hospital Bern Inselspital
        • 接触：
        • 接触：
        • 首席研究员：
          • Daniel Sidler, MD PhD
        • 副研究员：
          • Matthias B Moor, MD PhD

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 及以上 (成人、年长者)

接受健康志愿者

是的

有资格学习的性别

全部

取样方法

非概率样本

研究人群

Participating Centers / Participating Departments: all at Bern University Hospital Insel)

描述

Inclusion Criteria:

  1. Patients who were treated with anti-CD20 treatment since 01.01.2010
  2. Patients who received a COVID19 vaccination (completion of all required doses) until target date (initial target: 30.05.21, but can be delayed to 30.06.21, 30.07.21 or 30.08.21 in case of insufficient enrollment)
  3. Volunteers without a history of anti-CD20 treatment exposure
  4. All: written informed consent.

Exclusion Criteria:

Exclusion criteria for patients (any of the following)

  1. Patients aged 18 years and younger at time of study enrollment and/or
  2. Pregnant or lactating women at time of study enrollment and/or
  3. Patients who do not provide written informed consent and/or
  4. Patients who have previously had a COVID19 infection (self-reported COVID19 disease, positive PCR or serology)
  5. Patients who are in a dependency relationship with the study personnel (hierarchical, social)

Exclusion criteria for volunteers (any of the following)

  1. Volunteers aged 18 years and younger at time of study enrollment and/or
  2. Pregnant or lactating women at time of study enrollment and/or
  3. Volunteers who do not provide informed consent and/or
  4. Volunteers who suffer from an active autoimmune disease, active cancer, immunosuppressive therapy, history of anti-CD20 treatment and/or
  5. Volunteers who have previously had a COVID19 infection (self-reported COVID19 disease, positive PCR or serology)
  6. Volunteers who did not complete their COVID19 vaccination
  7. Volunteers who are in a dependency relationship with the study personnel (hierarchical, social)

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

队列和干预

团体/队列
干预/治疗
Immunocompetent controls
Participants aged at least 18 years, no history of COVID19, no history of anti-CD20 treatment
生物：Completion of COVID19 vaccine at least 4 weeks ago
Completion of COVID19 vaccination course at least 4 weeks ago.
Patients with a treatment history of rituximab
Participants aged at least 18 years, no history of COVID19, history of at least 1 dose of anti-CD20 treatment received since 01/01/2010
生物：Completion of COVID19 vaccine at least 4 weeks ago
Completion of COVID19 vaccination course at least 4 weeks ago.
药品：History of exposure to anti-CD20 treatment since 01/01/2010
Intravenous treatment history of anti-CD20 treatment since 01/01/2010

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
Humoral immune response to SARS-CoV2 spike protein
大体时间：At least 4 weeks after completion of COVID19 vaccination
Percentage of all patients developing IgG antibodies against SARS-CoV2 spike protein that is comparable to the immunological response in immunocompetent controls (-2 standard deviations of mean)
At least 4 weeks after completion of COVID19 vaccination

次要结果测量

结果测量
措施说明
大体时间
Correlation of IgG antibodies against SARS-CoV2 with age, history, co-medication and biomarkers of immunocompetence
大体时间：At least 4 weeks after completion of COVID19 vaccination
Multivariable regression models for IgG antibodies against SARS-CoV2 with age, history, co-medication and biomarkers of immunocompetence as confounding variables.
At least 4 weeks after completion of COVID19 vaccination
Correlation of IgG antibodies against SARS-CoV2 with time interval since last dose of rituximab
大体时间：At least 4 weeks after completion of COVID19 vaccination
At least 4 weeks after completion of COVID19 vaccination
Correlation of IgG antibodies against SARS-CoV2 with cumulative dose of rituximab received.
大体时间：At least 4 weeks after completion of COVID19 vaccination
At least 4 weeks after completion of COVID19 vaccination
T cell anti-SARS-CoV2 response after COVID19 vaccination
大体时间：At least 4 weeks after completion of COVID19 vaccination
At least 4 weeks after completion of COVID19 vaccination
Correlation between IgG antibodies against SARS-CoV2 and B-cell counts, T-cell counts and total immunoglobulin levels
大体时间：At least 4 weeks after completion of COVID19 vaccination
Multivariable regression models for IgG antibodies against SARS-CoV2 with B-cell counts, T-cell counts and total immunoglobulin levels as confounders.
At least 4 weeks after completion of COVID19 vaccination

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。

赞助

University Hospital Inselspital, Berne

调查人员

  • 首席研究员：Daniel Sidler, MD PhD、University Hospital Bern, Department of Nephrology and Hypertension

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。

一般刊物

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)

2021年4月26日

初级完成 (预期的)

2021年8月30日

研究完成 (预期的)

2021年10月31日

研究注册日期

首次提交

2021年5月6日

首先提交符合 QC 标准的

2021年5月6日

首次发布 (实际的)

2021年5月7日

研究记录更新

最后更新发布 (实际的)

2021年6月2日

上次提交的符合 QC 标准的更新

2021年5月27日

最后验证

2021年5月1日

更多信息

与本研究相关的术语

关键字

其他相关的 MeSH 术语

其他研究编号

  • 4749

计划个人参与者数据 (IPD)

计划共享个人参与者数据 (IPD)？

不

药物和器械信息、研究文件

研究美国 FDA 监管的药品

不

研究美国 FDA 监管的设备产品

不

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