Age-Associated Differences in Germinal Center Responses to Influenza and Rabies Vaccination in Humans
This study is being done to better understand how the immune system responds to vaccination against influenza and rabies. Researchers want to study how immune responses develop and change over time in the blood and in the lymph nodes that drain the vaccination site, following vaccination with two vaccines licensed by the U.S. Food and Drug Administration (FDA): the seasonal trivalent influenza vaccine (TIV) and the rabies vaccine (RabAvert). By studying these samples, researchers hope to learn how the body produces high-quality, long-lasting antibody and memory immune responses after vaccination. The study will also compare immune responses in younger adults to immune responses in older adults, because prior research suggests that the immune system's ability to respond to vaccination weakens with age.
研究概览
地位
研究类型
注册 (估计的)
阶段
- 第四阶段
联系人和位置
学习联系方式
- 姓名:Patrick Olson, MD
- 电话号码:314-454-0058
- 邮箱:olsonp@wustl.edu
研究联系人备份
- 姓名:Rachel Presti, MD
- 电话号码:314-454-0058
- 邮箱:prestir@wustl.edu
学习地点
-
-
Missouri
-
St Louis、Missouri、美国、63110
- 招聘中
- Washington University
-
接触:
- Patrick Olson, MD
- 电话号码:314-454-0058
- 邮箱:olsonp@wustl.edu
-
接触:
- Rachel Presti, MD
- 电话号码:314-454-0058
- 邮箱:prestir@wustl.edu
-
首席研究员:
- Patrick Olson, MD
-
副研究员:
- Rachel Presti, MD
-
-
参与标准
资格标准
适合学习的年龄
接受健康志愿者
有资格学习的性别
描述
Inclusion Criteria:
- Healthy participants 18 to 40 years of age or ≥65 years of age.
- Able to understand and give informed consent.
- Willing to receive RabAvert vaccine.
- Willing to receive TIV (trivalent influenza vaccine).
- In stable health, as determined by medical history and targeted physical exam related to this history.
- Willing to give blood and optional lymph node FNA (fine needle aspiration) samples.
Exclusion Criteria:
- Has a history of severe local or systemic reactions to any vaccination.
- Has a history of severe allergic reaction to any component of the rabies or influenza vaccines.
- Has a history of prior rabies vaccination, receipt of rabies post-exposure prophylaxis or rabies immunoglobulin, or known or suspected prior exposure to rabies virus.
- Has received any influenza vaccines ≤ 180 days prior to the day of injection (Day 1).
- Has a current or previous diagnosis of immunocompromising condition to include human immunodeficiency virus, immune-mediated disease requiring immunosuppressive treatment, or other immunosuppressive condition.
- Has received systemic immunosuppressants or immune-modifying drugs for > 14 days in total within 6 months prior to Screening (for corticosteroids ≥ 10 mg/day of prednisone equivalent) or is anticipating the need for immunosuppressive treatment at any time during participation in the study.
- Is acutely ill or febrile (temperature >38.0 C [100.4F] less than 72 hours prior to or at the Day 1 visit. Participants who meet this criterion may be rescheduled.
- Currently has symptomatic acute or unstable chronic disease requiring medical or surgical care, to include significant change in therapy or hospitalization, at the discretion of the investigator.
- History of excessive alcohol consumption, drug abuse, psychiatric conditions, social conditions or occupational conditions that in the opinion of the investigator would preclude compliance with the study.
- Has received any vaccine ≤ 28 days prior to the injection (Day 1) or plans to receive a vaccine within 28 days before or after the study injection. These participants may be rescheduled.
- Pregnant women and nursing mothers or women who are planning to become pregnant for the study duration.
- Have donated blood, blood products or bone marrow within 30 days before study vaccination, plan to donate blood at any time during the duration of participant study participation, or plan to donate blood within 30 days after the last blood draw.
- Any condition in the opinion of the investigator that would interfere with the proper conduct of the trial.
- Unwilling to use an effective method of contraception if you are of childbearing potential.
学习计划
研究是如何设计的?
设计细节
- 主要用途:基础科学
- 分配:不适用
- 介入模型:单组作业
- 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:Vaccination
Standard, seasonal flu vaccine |
Standard, seasonal flu vaccines Rabies vaccine for pre-exposure |
研究衡量的是什么?
主要结果指标
结果测量 |
大体时间 |
|---|---|
|
Rabies-specific antibody titers at day 29 compared to pre-vaccination baseline.
大体时间:From vaccination day 1 to day 29
|
From vaccination day 1 to day 29
|
合作者和调查者
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
- 202607188
- U19AI181103 (美国 NIH 拨款/合同)
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
The data to be generated and shared from this proposal will include clinical data with low-risk for identification, clinical from patients from human cohorts (described in more detail in the proposal) and a wealth of immunological data generated from assays performed on the clinical specimens derived from these subjects. The types of data to be uploaded include mainly .xls(x) or fasta files but also potentially .pdf, .doc(x), and .txt files
IPD 共享时间框架
Data will be deposited in the ImmPort shared data base, National Center for Biotechnology Information (NCBI), (GenBank, SRA, and dbGaP), MassIVE, PDB or EMDB data repositories. Each study deposited in ImmPort, PDB, and EMBD will be assigned a permanent digital object identifier (DOI) that will be cited in each publication. Each study or sequence(s) deposited in GenBank, SRA, or dbGaP will be assigned a permanent accession number that also will be cited in each publication. These persistent unique identifiers are searchable on Google and/or Pubmed. Each proteomic study deposited in MassIVE will be assigned a permanent ProteomeXchange accession that will be cited in each publication and is searchable on the MassIVE website. All of the data repositories to be used require rich metadata to be submitted along with each dataset to ensure that data is easy to find, access, and identify.
IPD 共享访问标准
Data deposited on GenBank, SRA, MassIVE, PDB or EMDB will not be controlled and will be accessible for free download by the wider community. For data in ImmPort, users will need to register and agree to a Data Use Agreement prior to free download. Summaries of studies and the contents of measured variables deposited on dbGaP will be made public, while access to individual-level data will require authorization.
IPD 共享支持信息类型
- 研究方案
- 企业社会责任
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
此信息直接从 clinicaltrials.gov 网站检索,没有任何更改。如果您有任何更改、删除或更新研究详细信息的请求,请联系 register@clinicaltrials.gov. clinicaltrials.gov 上实施更改,我们的网站上也会自动更新.