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Short-term safety of the BNT162b2 mRNA COVID-19 vaccine

Short-term safety of the BNT162b2 mRNA COVID-19 vaccine - safety of the mRNA COVID-19 vaccine

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000043851
Enrollment
100
Registered
2021-04-10
Start date
2021-04-06
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

Medical workers / Adult

Interventions

None listed

Sponsors

St. Marianna University School of Medicine, Dept. of Gastroenterology and Hepatology
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: medical workers

Exclusion criteria

Exclusion criteria: Healthcare workers who have withdrawn their consent to participate in this study

Design outcomes

Primary

MeasureTime frame
The efficacy of the vaccine against laboratory-confirmed Covid-19 (pre, post, 3M, 6M).—

Secondary

MeasureTime frame
The efficacy of the vaccine safety (pre, post, 3M, 6M).—

Countries

Japan

Contacts

Public ContactYoshiyuki Watanabe

St. Marianna University School of Medicine Department of Gastroenterology and Hepatology

ponponta@marianna-u.ac.jp0449778111

Outcome results

None listed

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