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A prospective cohort study of safety and Immunogenicity of inactivated COVID-19 vaccine and virus vector vaccine in Thai adults

A prospective cohort study of safety and Immunogenicity of inactivated COVID-19 vaccine and virus vector vaccine in Thai adults

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
TCTR
Registry ID
TCTR20210319003
Enrollment
200
Registered
2021-03-19
Start date
2021-03-19
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

A prospective cohort study of safety and Immunogenicity of inactivated COVID-19 vaccine and virus vector vaccine in Thai adults A prospective cohort study of safety and Immunogenicity of inactivated COVID-19 vaccine and virus vector vaccine in Thai adults

Interventions

Thai adults between 18-59 years who received inactivated COVID-19 Vaccine
Sinovac (CoronaVac), China.,Thai adults aged above 18 years who received AstraZeneca virus vector COVID-19 vaccine.
Prevention,Prevention
Sinovac,AstraZeneca

Sponsors

National Research Council, TH
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 60 Years

Inclusion criteria

Inclusion criteria: 1. Healthy Thai adults aged between 18-60 years 2. Willing to be immunized with COVID-19 vaccine 3. Intend to be available for follow-up visits and phone call through 12 months postvaccination

Exclusion criteria

Exclusion criteria: 1. Subjects with history of COVID-19, asymptomatic SARS-CoV-2 infection or pre-existing antibodies to SARS-CoV-2 2. Previous severe reaction or allergy to any components in the COVID-19 vaccine 3. History of hospitalization within the past one month before injection. 4. Serious underlying medical condition (e.g., immunosuppressive disease or receiving immunosuppressive therapy, human immunodeficiency virus (HIV) infection) 5. Pregnant women, lactating women or women who are planning to become pregnant

Design outcomes

Primary

MeasureTime frame
Immunogenicity antibody titers antibody titers

Secondary

MeasureTime frame
safety 7 days after vaccination adverse event record booklet

Countries

Thailand

Contacts

Public ContactNasamon Wanlapakorn

Chulalongkorn University

nasamon.w@chula.ac.th022564000

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026