Immunogenicity and Safety of an Inactivated COVID-19 Vaccine in Elderly People With Chronic Bronchitis and COPD
1 other identifier
interventional
400
1 country
1
Brief Summary
Evaluation of immunogenicity and safety of the subjects aged 60 years and above with chronic bronchitis and chronic obstructive pulmonary disease recruited to receive the schedule of two doses inactivated COVID-19 vaccine with the interval of 21 days .
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_4 covid19
Started Oct 2021
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
October 4, 2021
CompletedStudy Start
First participant enrolled
October 8, 2021
CompletedFirst Posted
Study publicly available on registry
October 12, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 30, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
June 30, 2022
CompletedOctober 22, 2021
October 1, 2021
9 months
October 4, 2021
October 20, 2021
Conditions
Outcome Measures
Primary Outcomes (3)
Seroconversion rate
The rate of seroconversion against coronavirus
28 days after the 2th dose (Day 49)
Baseline neutralizing antibody level
Neutralizing antibody geometric mean titer(GMT) against coronavirus before vaccination
Before vaccination (Day 0)
Neutralizing antibody level
Neutralizing antibody GMT against coronavirus after the 2th dose
28 days after the 2th dose (Day 49)
Secondary Outcomes (2)
Adverse events rate
0-21days following vaccinations
Serious adverse event rate
0-6 months
Study Arms (1)
Experimental Group
EXPERIMENTALA total 400 subjects receive two doses inactivated COVID-19 vaccine with the interval of 21 days
Interventions
receive two doses inactivated COVID-19 vaccine with the interval of 21 days
Eligibility Criteria
You may qualify if:
- Subjects aged 60 and above with full capacity for civil conduct;
- Chronic bronchitis (or chronic obstructive pulmonary disease) diagnosed by a medical institution at level I or above;
- Body temperature \< 37.3 ° C confirmed by clinical examination before enrollment ;
- Able and willing to complete the entire study plan during the study follow-up period;
- Have the ability to understand the study procedures, voluntarily sign informed consent, and comply with the requirements of the clinical study protocol
You may not qualify if:
- Subjects were previously confirmed cases of COVID-19 or asymptomatic infected persons;
- Subjects have history of vaccination against COVID-19;
- Being allergic to any component of vaccines (including excipients) ;
- Injection of non-specific immunoglobulin within 1 month before enrollment;
- Injection of live attenuated vaccines within 1 month and injection of other vaccines within 14 days before enrollment;
- Subjects who have experienced severe allergic reactions to vaccines (e.g. acute anaphylaxis, urticaria, angioneurotic edema, dyspnea, etc.);
- Having uncontrolled epilepsy and other progressive neurological disorders and a history of Guillain-Barre syndrome;
- Having severe liver and kidney diseases, malignant tumors, acute diseases or acute episodes of chronic diseases;
- Have been diagnosed with congenital or acquired immunodeficiency, HIV infection, lymphoma, leukaemia or other autoimmune diseases;
- Have been diagnosed with thrombocytopenia or other clotting disorders that may contraindicate subcutaneous injection;
- During an acute episode of chronic bronchitis/chronic obstructive pulmonary disease;
- Subjects who had vaccine-related adverse reactions after the first dose;
- Having high fever (axillary temperature ≥39.0℃) for three days after the first dose of inoculation, or severe allergic reaction;
- Having any adverse nervous system reaction after the first dose;
- During the acute onset of a chronic disease, or the recovery of acute complications less than two weeks;
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Zhejiang provincial center for disease control and prevention
Hangzhou, Zhejiang, 310051, China
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Hanqing He
Zhejiang Provincial Center for Disease Control and Prevention
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- NA
- Masking
- NONE
- Purpose
- PREVENTION
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
October 4, 2021
First Posted
October 12, 2021
Study Start
October 8, 2021
Primary Completion
June 30, 2022
Study Completion
June 30, 2022
Last Updated
October 22, 2021
Record last verified: 2021-10
Data Sharing
- IPD Sharing
- Will not share