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

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

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000049533
Enrollment
6000
Registered
2022-11-16
Start date
2022-10-18
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: Those who have been vaccinated with the vaccine under investigation Persons over 12 years old (Comirnaty) or 18 years old (Spikevax) 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 the bivalent SARS-CoV-2 booster vaccination

Secondary

MeasureTime frame
1) Breakthrough infection rate up to 12 months after the bivalent SARS-CoV-2 booster vaccination 2) Serious adverse events up to 12 months after the bivalent SARS-CoV-2 vaccine (regardless of causality) 3) Changes in COVID-19 antibody titer up to 12 months after inoculation (part of the survey subjects) This may not be investigated if booster is given before 12 months

Countries

Japan

Contacts

Public ContactSuminobu Ito

Juntendo University Medical Technology Innovation Center

sito@juntendo.ac.jp03-3813-3111

Outcome results

None listed

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