A Study to Evaluate Safety and Immunogenicity 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 II Clinical Trial
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 2
Contacts and Locations
Study Locations
-
-
Jiangsu
-
Nanjing, Jiangsu, China, 210000
- Jiangsu Provincial Center for Diseases Control and Prevention
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- 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 degrees 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.
Exclusion Criteria:
- 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 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);
- Subjects receiving blood products within 3 months before administration;
- Subjects vaccinated with live attenuated vaccine within 14 days before vaccination;
- Subjects vaccinated with other vaccine within 7 days before vaccination;
- The researchers shall judge the other conditions which might be not in compliance with the requirements of this clinical trial.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: medium dosage on day 0, 14(18~59 years)
Two doses of medium dosage inactivated SARS-CoV-2 vaccine on the schedule of day 0,14
|
medium dosage
|
|
Experimental: high dosage on day 0, 14(18~59 years)
Two doses of high dosage inactivated SARS-CoV-2 vaccine on the schedule of day 0,14
|
high dosage
|
|
Placebo Comparator: placebo on day 0, 14(18~59years)
Two doses of placebo on the schedule of day 0,14
|
placebo
|
|
Experimental: medium dosage on day 0, 28(18~59 years)
Two doses of medium dosage inactivated SARS-CoV-2 vaccine on the schedule of day 0,28
|
medium dosage
|
|
Experimental: high dosage on day 0, 28(18~59 years)
Two doses of high dosage inactivated SARS-CoV-2 vaccine on the schedule of day 0,28
|
high dosage
|
|
Placebo Comparator: placebo on day 0, 28(18~59years)
Two doses of placebo on the schedule of day 0,28
|
placebo
|
|
Experimental: medium dosage on day 0, 28, 56(18~59 years)
Three doses of medium dosage inactivated SARS-CoV-2 vaccine on the schedule of day 0,28,56
|
medium dosage
|
|
Experimental: high dosage on day 0, 28, 56(18~59 years)
Three doses of high dosage inactivated SARS-CoV-2 vaccine on the schedule of day 0,28,56
|
high dosage
|
|
Placebo Comparator: placebo on day 0, 28, 56(18~59 years)
Three doses of placebo on the schedule of day 0,28,56
|
placebo
|
|
Experimental: medium dosage on day 0, 28, 56(>59 years)
Three doses of medium dosage inactivated SARS-CoV-2 vaccine on the schedule of day 0,28,56
|
medium dosage
|
|
Experimental: high dosage on day 0, 28, 56(>59 years)
Three doses of high dosage inactivated SARS-CoV-2 vaccine on the schedule of day 0,28,56
|
high dosage
|
|
Placebo Comparator: placebo on day 0, 28, 56(>59 years)
Three doses of placebo on the schedule of day 0,28,56
|
placebo
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
The seropositive rates of SARS-CoV-2 neutralizing antibody
Time Frame: Day 28 post full vaccination
|
Day 28 post full vaccination
|
|
The seropositive level of SARS-CoV-2 neutralizing antibody
Time Frame: Day 28 post full vaccination
|
Day 28 post full vaccination
|
|
The seropositive rates of SARS-CoV-2 IgG antibody (tested by ELISA)
Time Frame: Day 28 post full vaccination
|
Day 28 post full vaccination
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Incidence of adverse reactions/events
Time Frame: 0-28 days after each dose of vaccination
|
0-28 days after each dose of vaccination
|
|
Serious Adverse Events (SAE)
Time Frame: within 12 months post full vaccination
|
within 12 months post full vaccination
|
|
Level of SARS-CoV-2 IgG antibody (tested by ELISA)
Time Frame: Day 28 post full vaccination
|
Day 28 post full vaccination
|
|
The seropositive rates of SARS-CoV-2 neutralizing antibody
Time Frame: Day 28 after the second dose of the 3 doses group, day 14 after the full immunization of the 2 doses group, and 3, 6 and 12 months post full vaccination of all groups
|
Day 28 after the second dose of the 3 doses group, day 14 after the full immunization of the 2 doses group, and 3, 6 and 12 months post full vaccination of all groups
|
|
The seropositive rates of SARS-CoV-2 IgG antibody (tested by ELISA)
Time Frame: Day 28 after the second dose of the 3 doses group, day 14 after the full immunization of the 2 doses group, and 3, 6 and 12 months post full vaccination of all groups
|
Day 28 after the second dose of the 3 doses group, day 14 after the full immunization of the 2 doses group, and 3, 6 and 12 months post full vaccination of all groups
|
|
The seropositive level of SARS-CoV-2 neutralizing antibody
Time Frame: Day 28 after the second dose of the 3 doses group, day 14 after the full immunization of the 2 doses group, and 3, 6 and 12 months post full vaccination of all groups
|
Day 28 after the second dose of the 3 doses group, day 14 after the full immunization of the 2 doses group, and 3, 6 and 12 months post full vaccination of all groups
|
|
The seropositive level of SARS-CoV-2 IgG antibody (tested by ELISA)
Time Frame: Day 28 after the second dose of the 3 doses group, day 14 after the full immunization of the 2 doses group, and 3, 6 and 12 months post full vaccination of all groups
|
Day 28 after the second dose of the 3 doses group, day 14 after the full immunization of the 2 doses group, and 3, 6 and 12 months post full vaccination of all groups
|
Collaborators and Investigators
Sponsor
Sponsor
Collaborators
Collaborators
Study record dates
Study Major Dates
Study Start (Actual)
Study Start
Primary Completion (Anticipated)
Primary Completion
Study Completion (Anticipated)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Actual)
First Posted
Study Record Updates
Last Update Posted (Actual)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- 2020L001-1B
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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