A Safety and Immunogenicity Study of Inactivated SARS-CoV-2 Vaccine (Vero Cells) in Healthy Population Aged 18 Years and Above(COVID-19)
Evaluation of the Safety and Immunogenicity of Inactivated SARS-CoV-2 Vaccine (Vero Cells) in Healthy Population Aged 18 Years and Above: a Randomized, Double-blind, Placebo Parallel-controlled Phase I Clinical Trial
1 other identifier
interventional
180
1 country
1
Brief Summary
This study is a randomized, double-blinded, and placebo controlled phase Ⅰ clinical trial of the SARS-CoV-2 inactivated vaccine to evaluate the safety and immunogenicity of the experimental vaccine in healthy adults ⩾18 years.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_1 covid19
Started Oct 2020
Typical duration for phase_1 covid19
1 active site
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
Study Start
First participant enrolled
October 7, 2020
CompletedFirst Submitted
Initial submission to the registry
February 9, 2021
CompletedFirst Posted
Study publicly available on registry
February 17, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 30, 2021
CompletedStudy Completion
Last participant's last visit for all outcomes
February 28, 2022
CompletedFebruary 17, 2021
February 1, 2021
9 months
February 9, 2021
February 16, 2021
Conditions
Outcome Measures
Primary Outcomes (1)
Incidence of adverse reactions/events
0-28 days after each dose of vaccination
Secondary Outcomes (8)
Serious Adverse Events (SAE)
within 12 months post full vaccination
Incidence of abnormal indicators of laboratory safety examinations(including blood routine, blood biochemistry, urine routine and coagulation function)
Day 3 after each dose of vaccination
The seropositive rates of SARS-CoV-2 neutralizing antibody
Day 14 and day 28 after each dose of vaccination, and 3, 6 and 12 months post full vaccination
The seropositive level of SARS-CoV-2 neutralizing antibody
Day 14 and day 28 after each dose of vaccination, and 3, 6 and 12 months post full vaccination
The seropositive rates of SARS-CoV-2 IgG antibody(tested by ELISA)
Day 14 and day 28 after each dose of vaccination, and 3, 6 and 12 months post full vaccination
- +3 more secondary outcomes
Other Outcomes (1)
The SARS-CoV-2 antibody level of IgG1, IgG2, IgG3, IgG4 and Nucleoprotein
Day 14 and 28 after each dose, and 3, 6, 12 months post full vaccination(18~59years)
Study Arms (9)
medium dosage on day 0, 14(18~59 years)
EXPERIMENTALTwo doses of medium dosage inactivated SARS-CoV-2 vaccine on the schedule of day 0,14
high dosage on day 0, 14(18~59 years)
EXPERIMENTALTwo doses of high dosage inactivated SARS-CoV-2 vaccine on the schedule of day 0,14
placebo on day 0, 14(18~59years)
PLACEBO COMPARATORTwo doses of placebo on the schedule of day 0,14
medium dosage on day 0, 28, 56(18~59 years)
EXPERIMENTALThree doses of medium dosage inactivated SARS-CoV-2 vaccine on the schedule of day 0,28,56
high dosage on day 0, 28, 56(18~59 years)
EXPERIMENTALThree doses of high dosage inactivated SARS-CoV-2 vaccine on the schedule of day 0,28,56
placebo on day 0, 28, 56(18~59 years)
PLACEBO COMPARATORThree doses of placebo on the schedule of day 0,28,56
medium dosage on day 0, 28, 56(>59 years)
EXPERIMENTALThree doses of medium dosage inactivated SARS-CoV-2 vaccine on the schedule of day 0,28,56
high dosage on day 0, 28, 56(>59 years)
EXPERIMENTALThree doses of high dosage inactivated SARS-CoV-2 vaccine on the schedule of day 0,28,56
placebo on day 0, 28, 56(>59 years)
PLACEBO COMPARATORThree doses of placebo on the schedule of day 0,28,56
Interventions
medium dosage
high dosage
placebo
Eligibility Criteria
You may qualify if:
- Healthy permanent residents aged 18 years and above;
- Subjects agree to sign the informed consent forms voluntarily;
- Subjects are able to comply with the requirements of the clinical trial protocol;
- Armpit temperature \<=37.0 degree C;
- Female subjects of childbearing age were not pregnant at the time of enrollment, were not breastfeeding, and had no birth plan within the first 3 months after enrollment; effective contraceptive measures had been taken within 2 weeks before enrollment.
You may not qualify if:
- Within 14 days before vaccination, subjects have been abroad and to villages/communities experienced COVID-19 epidemics, and in contact with COVID-19 cases or suspected cases. Subjects are under isolation observation, or living in the villages/communities with COVID-19 cases or suspected cases;
- Confirmed cases, suspected cases or asymptomatic cases with COVID-19 (refer to Information System of China Disease Prevention and Control);
- Subjects with history of SARS virus infection by self-reported;
- Positive in throat swab through RT-PCR;
- Positive in SARS-CoV-2 antibody test;
- Subjects with abnormal indicators, such as blood biochemistry, blood routine, urine routine and coagulation function which might show clinical meaning, before administration;
- Subjects with history of severe allergic reactions (such as acute anaphylaxis, urticaria, skin eczema, dyspnea, angioneurotic edema or abdominal pain) or allergy to known composition of inactivated SARS-CoV-2 vaccine;
- Subjects with history of convulsion, epilepsy, encephalopathy or mental illness or family history;
- Subjects with congenital malformations or developmental disorders, genetic defects, severe malnutrition, etc.;
- Subjects with known or suspected diseases include: severe respiratory diseases, severe cardiovascular diseases, severe liver and kidney diseases, uncontrollable hypertension (systolic pressure \>=140 mmHg, diastolic pressure \>=90 mmHg; subjects aged \>=60 years with systolic pressure \>=150 mmHg, diastolic pressure \>=100 mmHg), diabetic complications, malignant tumors, various acute diseases or acute onset of chronic diseases;
- Subjects diagnosed with congenital or acquired immune deficiency, HIV infection, lymphoma, leukemia or other autoimmune diseases;
- Subjects with history of coagulation dysfunction (e.g. Coagulation factor deficiency, coagulation disease);
- Subjects receiving anti-TB treatment;
- Subjects receiving other research drugs within 6 months before vaccination;
- Subjects receiving immunotherapy or inhibitor therapy within 3 months (consistently oral or infusion for more than 14 days);
- +4 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Jiangsu Provincial Center for Diseases Control and Prevention
Nanjing, Jiangsu, 210000, China
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
February 9, 2021
First Posted
February 17, 2021
Study Start
October 7, 2020
Primary Completion
June 30, 2021
Study Completion
February 28, 2022
Last Updated
February 17, 2021
Record last verified: 2021-02