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Covid-19 vaccine interchangeability study

Phase 4
Registration Number
CTRI/2022/06/043447
Lead Sponsor
Indian Council of Medical Research
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
ot Yet Recruiting
Sex
Not specified
Target Recruitment
0
Inclusion Criteria

healthy

Exclusion Criteria

children less than 18 years

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
1. Antibody titers against Spike protein after interchangeability of the study vaccines at baseline, 28 days of first and second dose, 6 months and 1 year. <br/ ><br>2. Incidence of mild, moderate and serious adverse events rate of the Covid-19 vaccines after interchangeability <br/ ><br>3. Breakthrough infection rate of the Covid-19 vaccines (Covishield/Covaxin/Sputnik V) after interchangeability.Timepoint: At at baseline, 28 days of first and second dose, 6 months and 1 year.
Secondary Outcome Measures
NameTimeMethod
eutralizing antibody and celle mediated immune response after interchangeability of covid-19 vaccinesTimepoint: at baseline, 28 days of first and second dose, 6 months and 1 year.
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