Osaka Study for COVID-19 vaccine at Geriatric facilities

Vaccine effectiveness and reactogenicity of COVID-19 vaccine among residents and staffs at Osaka geriatric intermediate care facilities: prospective cohort study

Status

Active, not recruiting

Phases

Phase 4

Study type

Observational

Source

JPRN

Registry ID

JPRN-jRCT1051200148

Enrollment

300

Registered

2021-03-05

Start date

2021-03-08

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

none

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Residents and staffs at Osaka geriatric intermediate care facilities who wish to receive COVID-19 vaccine 2. Those who can follow the study schedule during the follow-up period 3. Written informed consent

Exclusion criteria

Exclusion criteria: 1. Those who have a condition under the contraindications for vaccination 2. Those who are judged to be inappropriate as study subjects by the investigator

Design outcomes

Primary

Measure	Time frame
immunogenicity	—

Secondary

Measure	Time frame
effectiveness, side effects after vaccination, vaccine associatd adverse events, immunogenicity based on the neutralizing antibody	—

Contacts

Public ContactSatoko Ohfuji

Osaka Metropolitan University Graduate School of Medicine

satoko@omu.ac.jp+81-6-6645-3756

Outcome results