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Evaluation of safety and immunogenicity of COVID-19 vaccine in patients previously infected with SARS-Cov2

Evaluation of safety and immunogenicity of COVID-19 vaccine in patients previously infected with SARS-Cov2

Status
Recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2100045991
Enrollment
Unknown
Registered
2021-05-01
Start date
2021-04-30
Completion date
Unknown
Last updated
2021-12-13

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

Conditions

COVID-19

Interventions

Patients previously infected with SARS-Cov2 group:COVID-19 vaccination
Normal healthy subjects:COVID-19 vaccination

Sponsors

West China Hospital of Sichuan University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.Aged 18 to 60 years; 2.Patients previously infected with SARS-Cov2 (who have recovered for more than 6 months); 3.Normal healthy subjects; 4.Able to understand and voluntarily sign the informed consent.

Exclusion criteria

Exclusion criteria: 1. Women who are pregnant or breastfeeding, have a pregnancy plan within six months; 2. Those who are allergic to any component in the vaccine, or have allergies during previous vaccination of similar vaccines; 3. People who have experienced severe allergic reactions to vaccines in the past (such as acute allergic reactions, angioedema, dyspnea, etc.); 4. Have received immunosuppressant therapy, cytotoxic therapy, and inhaled corticosteroids in the past 6 months (excluding corticosteroid spray therapy for allergic rhinitis, and surface corticosteroid therapy for acute non-complicated dermatitis); 5. Receive blood products within 3 months before receiving the test vaccine; 6. Received live attenuated vaccine within 14 days before vaccination or subunit or inactivated vaccine within 7 days; 7. According to the judgment of the investigator, the subject has any other factors that are not suitable for participating in the clinical trial.

Design outcomes

Primary

MeasureTime frame
SARS - Cov2 specificity antibody;neutralizing antibody;specific T cells;memorable B cells;

Countries

China

Contacts

Public ContactLi Yalun

West China Hospital, Sichuan University

59968642@qq.com+86 18628250623

Outcome results

None listed

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