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Evaluation of duration of antibody responses to novel coronavirus pneumonia (COVID-19) in convalescent plasma in Chongqing

Evaluation of duration of antibody responses to novel coronavirus pneumonia (COVID-19) in convalescent plasma in Chongqing

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2100042528
Enrollment
Unknown
Registered
2021-01-23
Start date
2021-01-15
Completion date
Unknown
Last updated
2021-05-03

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

Conditions

Novel Coronavirus Pneumonia (COVID-19)

Interventions

1:SARS-CoV-2 inactivated vaccine for COVID-19 convalescents
2:SARS-CoV-2 inactivated vaccine for healthy persons

Sponsors

Chongqing Medical University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Axillary temperature <= 37.0 degree C; 2. Positive reslut of RT-qPCR test previouly and Negative result currently; 3. Negative result for HIV test; 4. In the judgement of investigator, participants who are eligible to vaccination and capable of giving personal signed informed consent.

Exclusion criteria

Exclusion criteria: 1. With history of severe adverse reaction associated with a vaccine and/or severe allergic reaction to any component of the study intervention(s); 2. Individuals with Acute diseases, severe chronic diseases or on acute onset of chronic diseases; 3. Women who are pregnant(HCG+), have family planning within 3 months or breastfeeding; 4. Individuals with uncontrolled epilepsy or other progressive neurological disorders, or a history of Guillain-Barre syndrome; 5. Immunocompromised individuals with known or suspected immunodeficiency, as determined; by history and/or laboratory/physical examination; 6. People who are known or suspected to be suffering from severe respiratory diseases, severe cardiovascular diseases, liver or kidney diseases; 7. Current use of antitumor drug or immunosuppressor; 8. Individuals with thrombocytopenia or hemorrhagic disease; 9. In the judgement of investigator, paiticipants who are not eligible to vaccination; 10. Individuals are participating other clinical trials; 11. COVID-19 convalescents with severe sequelae, eg: lung damage et al.

Design outcomes

Primary

MeasureTime frame
Levels of SARS-CoV-2-specific antibody;Neutralizing antibodytiter (NT50) to SARS-CoV-2 infection;

Countries

China

Contacts

Public ContactAi-long Huang

Chongqing Medical University

ahuang@cqmu.edu.cn+86 023-68486780

Outcome results

None listed

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