Skip to content

The humoral and cellular immunity persistence of COVID-19 vaccines

The humoral and cellular immune persistence of COVID-19 vaccines

Status
Active, not recruiting
Phases
Phase 4
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2100051958
Enrollment
Unknown
Registered
2021-10-10
Start date
2021-08-03
Completion date
Unknown
Last updated
2022-06-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

healthy people vaccinated with inactivated vaccines against COVID-19

Interventions

Case series:Nil

Sponsors

Beijing Youan Hospital,Capital Medical University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Individuals vaccinated with inactivated vaccines against COVID-19

Exclusion criteria

Exclusion criteria: 1) Individuals with severe allergic reactions before(such as acute allergic reactions, urticaria, skin eczema, dyspnea, angioedema, abdominal pain) ; 2) Individuals with thrombocytopenia or bleeding disorders; 3) Individuals with history or family history of the following disease: convulsions, epilepsy, encephalopathy, other progressive neurological or mental diseases; 4) Individuals with severe liver diseases, severe kidney diseases, drug-uncontrollable hypertension (systolic blood pressure >=140 mmHg, diastolic blood pressure 90 mmHg), diabetic complications; 5) Individuals with diagnosed congenital or acquired immunodeficiency, HIV infection, lymphoma, leukemia or other autoimmune diseases; 6) Individuals with known or suspected of severe respiratory disease, severe cardiovascular disease, or malignant tumor; 7) Pregnant or breastfeeding women; 8) Individuals with fever, acute diseases, acute attacks of chronic diseases, such as infectious diseases (acute upper respiratory tract infection or infectious diarrhea).

Design outcomes

Primary

MeasureTime frame
COVID-19 specific antibody;COVID-19 specific memory B cells;

Countries

China

Contacts

Public ContactYingmei Feng

Beijing Youan Hospital, Capital Medical University

yingmeif13@sina.com+86 18811433436

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026