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Immune Persistence and Safety Survey (Cohort Survey) related to the SARS-CoV-2 Booster Vaccination (4th dose) in Japan

Immune Persistence and Safety Survey (Cohort Survey) related to the SARS-CoV-2 Booster Vaccination (4th dose) in Japan - Immune Persistence and Safety Survey related to the SARS-CoV-2 4th Booster Vaccination in Japan

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000047919
Enrollment
6000
Registered
2022-06-01
Start date
2022-06-03
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

COVID-19

Interventions

None listed

Sponsors

Juntendo University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Those who have been vaccinated with the vaccine under investigation 2) Persons over 18 years old who have obtained the written consent of the inoculated person

Exclusion criteria

Exclusion criteria: Those who are inappropriate as the subject of the survey determined by the principal investigator

Design outcomes

Primary

MeasureTime frame
Safety up to 4 weeks after vaccination of SARS-CoV-2 4th booster vaccination

Secondary

MeasureTime frame
Breakthrough infection rate up to 12 months after the final vaccination of SARS-CoV-2 booster vaccination SARS-CoV-2 vaccine 4th booster vaccination Serious adverse events up to 12 months after vaccination (regardless of causality) SARS-CoV-2 vaccine 4th booster vaccination Changes in COVID-19 antibody titer up to 12 months after inoculation (part of the survey subjects)

Countries

Japan

Contacts

Public ContactMorikuni Tobita

SARS-CoV-2 vaccine Research Secretariat Clinical Research and Trial Center, Juntendo Hospital

covidvac@juntendo.ac.jp03-3813-3111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026