Immuno-bridging Study of Inactivated SARS-CoV-2 Vaccine in Healthy Population Aged 3-17 vs Aged 18 Years Old and Above (COVID-19)
Immunogenicity Non-inferiority Immuno-bridging Study of Inactivated SARS-CoV-2 Vaccine in Healthy Population Aged 3-17 Years Old vs Healthy Population Aged 18 Years Old and Above
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Detailed Description
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 3
Contacts and Locations
Study Locations
-
-
-
Abu Dhabi, United Arab Emirates, 51900
- Sheikh Khalifa Medical City, SEHA
-
-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Healthy subjects aged 3 years old and above
- Medical history and physical examination of the subject confirms the subject is in a healthy condition and is approved by the investigator
- Female subjects of childbearing age who are not nursing or pregnant at the time of enrolment (negative urine pregnancy test) and have no family planning within the first 3 months after enrolment. Effective contraceptive measures have been taken within 2 weeks before inclusion.
- The subject must be able and willing to complete the whole immunization schedule of the study and be able to follow up study procedures for 6 months.
- With self-ability to understand the study procedures, the informed consent & voluntarily sign an informed consent/ assent form. Legal authority or parents/guardians of minors 3-17 years should sign an informed consent form and be able to comply with the requirements of the clinical study protocol.
Exclusion Criteria:
- Confirmed acute cases of SARS-CoV-2 infection.
- With a medical history of SARS, MERS virus infection (self-report, on-site inquiry);
- Fever (axillary temperature > 37.0 ℃), dry cough, fatigue, nasal obstruction, runny nose, pharyngeal pain, myalgia, diarrhea, shortness of breath and dyspnea within 14 days before vaccination (Tympanic temperature / Temporal artery temperature >37.5 ℃);
- Positive urine pregnancy test result.
- Body temperature axillary ≥ 37.0 ℃ before vaccination(Tympanic temperature / Temporal artery temperature≥ 37.5 ℃);
- With previous severe allergic reactions (such as acute allergic reactions, urticaria, skin eczema, dyspnea, angioneurotic edema or abdominal pain) or allergy to known ingredients of the inactivated SARS-CoV-2 vaccine.
- With a medical history or a family history of convulsion, epilepsy, encephalopathy or mental illness.
- With congenital malformation or developmental disorder, genetic defects, severe malnutrition, etc.;
- With known or suspected diseases include acute respiratory diseases (e.g. influenza like illness, acute cough, sore throat), severe cardiovascular diseases, severe liver diseases, severe kidney diseases, uncontrollable hypertension (systolic blood pressure > 150 mmHg, diastolic blood pressure > 90 mmHg), diabetic complications, malignant tumors, various acute diseases, or acute attack period of chronic diseases.
- Has been diagnosed with congenital or acquired immune deficiency, HIV infection, lymphoma, leukemia or other autoimmune diseases; With a history of coagulation dysfunction (such as coagulation factor deficiency, coagulation disease);
- With a history of coagulation dysfunction (such as coagulation factor deficiency coagulation disease);
- Receiving anti-TB therapy.
- Receiving immune enhancement or inhibitor therapy within 3 months (continuous oral or IV administration for more than 14 days);
- Vaccinated live attenuated vaccine within 1 month before vaccination and other vaccines within 14 days before vaccination;
- Received blood products within 3 months before vaccination;
- Received other investigational drugs within 6 months before vaccination;
- Other circumstances judged by investigators that were not suitable for participating in this clinical trial.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: Aged 3-6 years old
300 subjects receive 2 dose according to the immunization schedule of D0, D21 (+7 Days).
A booster dose might be introduced.
|
0.5 mL per dose, containing 6.5U inactivated SARS-CoV-2 antigen
|
|
Experimental: Aged 7-12 years old
300 subjects receive 2 dose according to the immunization schedule of D0, D21 (+7 Days).
A booster dose might be introduced.
|
0.5 mL per dose, containing 6.5U inactivated SARS-CoV-2 antigen
|
|
Experimental: Aged 13-17 years old
300 subjects receive 2 dose according to the immunization schedule of D0, D21 (+7 Days).
A booster dose might be introduced.
|
0.5 mL per dose, containing 6.5U inactivated SARS-CoV-2 antigen
|
|
Active Comparator: Aged ≥18 years old
300 subjects receive 2 dose according to the immunization schedule of D0, D21 (+7 Days).
A booster dose might be introduced.
|
0.5 mL per dose, containing 6.5U inactivated SARS-CoV-2 antigen
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
The four-fold increase rate of anti-SARS-CoV-2 neutralizing antibody
Time Frame: 28 days after 2 dose of immunization
|
≥4 fold increase from baseline
|
28 days after 2 dose of immunization
|
|
The Geometric Mean Titer (GMT) of anti-SARS-CoV-2 neutralizing antibody
Time Frame: 28 days after 2 dose of immunization
|
Neutralizing antibody assay will be performed using the Microcytopathic assay
|
28 days after 2 dose of immunization
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Safety index-Incidence of adverse reactions
Time Frame: From the beginning of the vaccination to 28 days after the full course immunization
|
the adverse event at injection site and systemic adverse event and other adverse events of the subjects are actively followed up and recorded in the subject diary card or follow-up calls
|
From the beginning of the vaccination to 28 days after the full course immunization
|
|
Safety index-Incidence of serious adverse events
Time Frame: From the beginning of the vaccination to 6 months after the full course immunization
|
All SAEs will be collected
|
From the beginning of the vaccination to 6 months after the full course immunization
|
|
The four-fold increase rate of anti-SARS-CoV-2 neutralizing antibody
Time Frame: 28 days after booster dose of immunization
|
≥4 fold increase from baseline
|
28 days after booster dose of immunization
|
|
The Geometric Mean Titer (GMT) of anti-SARS-CoV-2 neutralizing antibody
Time Frame: 28 days after booster dose of immunization
|
Neutralizing antibody assay will be performed using the Microcytopathic assay
|
28 days after booster dose of immunization
|
|
The distribution of neutralizing antibody titer
Time Frame: 28 days after 2 dose of immunization and booster dose
|
The proportions of neutralizing antibody titer
|
28 days after 2 dose of immunization and booster dose
|
Collaborators and Investigators
Sponsor
Sponsor
Collaborators
Collaborators
Investigators
Investigators
- Principal Investigator: Nawal Al Kaabi, MD, Sheikh Khalifa Medical City
Study record dates
Study Major Dates
Study Start (Actual)
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
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 (Estimated)
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
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- CNBG2021001
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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