Evaluation of Immunogenicity, Safety and Antibody Persistence of COVID-19 Booster Vaccine (Produced in Wuhan) in Patients With Hypertension and/or Diabetes
A Post-marketing Clinical Study of a Third Dose of the Inactivated SARS-CoV-2 Vaccine (Vero Cells) (Produced in Wuhan): Immunogenicity, Safety and Antibody Persistence Assessments in Patients With Hypertension and/or Diabetes
1 other identifier
interventional
1,440
1 country
3
Brief Summary
To evaluate the post-marketing immunogenicity, safety and antibody persistence of the third dose (booster) of Covid-19 vaccine in patients aged 60 years or older with hypertension and/or diabetes.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_4
Started Nov 2021
Shorter than P25 for phase_4
3 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
October 30, 2021
CompletedStudy Start
First participant enrolled
November 1, 2021
CompletedFirst Posted
Study publicly available on registry
November 3, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 1, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2022
CompletedNovember 3, 2021
October 1, 2021
1 year
October 30, 2021
October 30, 2021
Conditions
Outcome Measures
Primary Outcomes (6)
Seroconversion rate
the rate of positive seroconversion against coronavirus
Up to 28 days after the booster dose
Neutralizing antibody level
neutralizing antibody level against coronavirus
Up to 28 days after the booster dose
Neutralizing antibody level
neutralizing antibody level against coronavirus
Up to 84 days after the booster dose
Neutralizing antibody level
neutralizing antibody level against coronavirus
Up to 168 days after the booster dose
Neutralizing antibody level
neutralizing antibody level against coronavirus
Up to 252 days after the booster dose
Neutralizing antibody level
neutralizing antibody level against coronavirus
Up to 336 days after the booster dose
Secondary Outcomes (1)
Adverse events following vaccination
Up to 6 months after the booster dose
Study Arms (2)
0-1-4 schedule group
EXPERIMENTALSubjects receive the booster vaccine 3 months after the second dose.
0-1-6 schedule group
EXPERIMENTALSubjects receive the booster vaccine 5 months after the second dose.
Interventions
Subjects receive the booster vaccine 3 months after the second dose.
Subjects receive the booster vaccine 5 months after the second dose.
Eligibility Criteria
You may qualify if:
- Participate in the clinical trial "NCT05065892".
- ≥60 years old individuals with full civil capacity.
- Clinically confirmed body temperature of \<37.3°C before enrolling in this study.
- Able and willing to participate in the study plan during the entire study and follow-up period.
- Capable of understanding the study procedures, willing to sign the informed consent form, and able to comply with the requirements of the clinical study protocol.
You may not qualify if:
- Previously confirmed or asymptomatic COVID-19 patient.
- Has been immunized with a SARS-CoV-2 vaccine.
- Illiterate.
- Known allergy to any ingredient (including excipient) of this product.
- Received non-specific immunoglobulin injection within 1 month before enrollment.
- Received a live attenuated vaccine within 1 month before immunization or other vaccine within 14 days before immunization.
- Previous serious allergy to vaccine (e.g., acute allergic reaction, urticaria, angioedema, and dyspnea).
- Has uncontrolled epilepsy and other progressive neurological disorders; history of Guillain-Barré syndrome.
- Severe respiratory disorders, severe hepatic and renal diseases, malignancies, and various acute diseases or acute onset of chronic diseases.
- Diagnosed with congenital or acquired immunodeficiency, HIV infection, lymphoma, leukemia, or other autoimmune diseases.
- Definitively diagnosed with thrombocytopenia or history of other coagulation disorders that may cause subcutaneous injection to be contraindicated.
- Currently experiencing acute complications (ketoacidosis, hyperosmolar state, lactic acidosis, etc.) of diabetes; or within 2 weeks after recovery from these complications.
- Other physical conditions judged by the investigator that render the patient unsuitable for participation in the clinical study.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (3)
Nan'an Center for Disease Control and Prevention
Quanzhou, Fujian, China
Songtao Miao Autonomous County Center for Disease Control and Prevention
Tongren, Guizhou, China
You County Center for Disease Control and Prevention
Zhuzhou, Hunan, China
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- NON RANDOMIZED
- Masking
- SINGLE
- Who Masked
- OUTCOMES ASSESSOR
- Masking Details
- Serum testing technicians will be masked.
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
October 30, 2021
First Posted
November 3, 2021
Study Start
November 1, 2021
Primary Completion
November 1, 2022
Study Completion
December 1, 2022
Last Updated
November 3, 2021
Record last verified: 2021-10
Data Sharing
- IPD Sharing
- Will not share