- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04871932
COVID-2019 Vaccine Immune Response Base on Single Cell Multi-Omics
Evolution of Immune System in Healthy Adults After Vaccination of New Coronavirus (COVID-2019) Inactivated Vaccine Based on Single Cell Multi-Omics Technologies
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
As an important part of the human body, the immune system is closely related to the occurrence of diseases. Based on the traditional classification methodology, it is mainly divided into two branches: innate immunity and adaptive immunity. Innate immune cells mainly include monocytes (Mono), natural killer (NK) cells and dendritic cells (DC). The adaptive immune cells mainly include B lymphocytes (B) and T lymphocytes (T). Peripheral blood mononuclear cells (PBMCs) mainly include T cells, B cells, NK cells, Mono cells and DC cells.
The proportion of these cell populations varies among individuals. Usually in PBMC, T lymphocytes account for 45-70%, B cells account for 5-15%, NK cells account for 5-20%, Mono cells account for 10-30%, and DC cells account for 1-2%. Among them, B cells can be divided into transitional, naive, memory subgroups and plasma cells. While, T cells are mainly composed of cluster of differentiation 4+ (CD4+) T cells and cluster of differentiation 8+ (CD8+) T cells with the ratio about 2:1. What's more, CD4+ T cells and CD8+ T cells can be further divided into naive cells, central memory cells in contact with antigen, effector memory cells and effector cells. Mono cells can be divided into classic monocytes and non-classical cluster of differentiation 16+ (CD16+) pro-inflammatory monocytes. DC cells include plasmacytic dendritic cells (pDC) and myeloid dendritic cells (mDC).
In recent years, scRNA-seq has developed rapidly and is widely used in research related to the immune system, breaking traditional cognition and gaining a new understanding of immune cell classification. In particular, the emerging scRNA-seq provides new ideas for the study of cell heterogeneity in multicellular organisms. Analyzing the changes in the expression profile of the cell transcriptome at the single-cell level can clearly show the changes in the trajectory of individual cells, reveal new cell types, and discover the potential functions of immune cells.
Adults have a relatively stable immune system, with little interference from the external environment. Therefore, this study intends to recruit healthy adults and use multi-omics techniques such as scRNA-seq to systematically classify the PBMCs of healthy adults to provide a basis for further disease-related research.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Locations
-
-
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Shanghai, China
- Recruiting
- Cardiology, Ren Ji Hospital
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Contact:
- Jun Pu
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
1. Age from 18 to 50 years; 2. No history of major diseases, no history of bacterial or viral infection in the past 3 months; 3. No recent history of surgery or trauma; 4 No history of smoking or alcoholism; 5. No immune system disease.
Exclusion Criteria:
1. Infectious diseases; 2. Tumor diseases; 3. Hematological diseases; 4. History of hypertension and diabetes; 5 Autoimmune diseases; 6 History of liver and kidney insufficiency; 7. History of previous cardiovascular diseases; 8. Pregnancy Or breast-feeding; 9. Past and current use of immunosuppressive drugs
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Recently unvaccinated group (Female)
This study intends to collect peripheral blood from healthy adults aged 18 to 50 years.
Gender and vaccination may be independent potential factors that affect the changes in peripheral blood immune cells.
This study collects basic clinical information from volunteers, and classifies the population based on gender and whether they have been vaccinated recently (including influenza vaccine, human papillomavirus [HPV] vaccine, and severe acute respiratory syndrome [SARS]-CoV-2 vaccines and others), aiming at systematically classify the peripheral blood mononuclear cells of healthy adults under different conditions and search for molecular markers related to different cell types.
This group is Recently unvaccinated group (Female).
|
|
Recently unvaccinated group (Male)
This study intends to collect peripheral blood from healthy adults aged 18 to 50 years.
Gender and vaccination may be independent potential factors that affect the changes in peripheral blood immune cells.
This study collects basic clinical information from volunteers, and classifies the population based on gender and whether they have been vaccinated recently (including influenza vaccine, HPV vaccine, and SARS-CoV-2 vaccines and others), aiming at systematically classify the peripheral blood mononuclear cells of healthy adults under different conditions and search for molecular markers related to different cell types.
This group is Recently unvaccinated group (Male).
|
|
Recently vaccinated group (Female)
This study intends to collect peripheral blood from healthy adults aged 18 to 50 years.
Gender and vaccination may be independent potential factors that affect the changes in peripheral blood immune cells.
This study collects basic clinical information from volunteers, and classifies the population based on gender and whether they have been vaccinated recently (including influenza vaccine, HPV vaccine, and SARS-CoV-2 vaccines and others), aiming at systematically classify the peripheral blood mononuclear cells of healthy adults under different conditions and search for molecular markers related to different cell types.
This group is Recently vaccinated group (Female).
|
|
Recently vaccinated group (Male)
This study intends to collect peripheral blood from healthy adults aged 18 to 50 years.
Gender and vaccination may be independent potential factors that affect the changes in peripheral blood immune cells.
This study collects basic clinical information from volunteers, and classifies the population based on gender and whether they have been vaccinated recently (including influenza vaccine, HPV vaccine, and SARS-CoV-2 vaccines and others), aiming at systematically classify the peripheral blood mononuclear cells of healthy adults under different conditions and search for molecular markers related to different cell types.
This group is Recently vaccinated group (Male).
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Changes in classification of human peripheral blood mononuclear cells
Time Frame: up to five years
|
The primary endpoint will be the changes in classification of human peripheral blood mononuclear cells at single cell resolution.
|
up to five years
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Jun Pu, MD,PhD, Cardiology, Ren Ji Hospital Shanghai, China
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Other Study ID Numbers
- COVID-2019-VIR-SCMO study
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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