Effectiveness and safety of COVID-19 vaccines

Phase 4

Recruiting

• Conditions: Coronavirus Disease 2019; D000086382

• Registration Number: JPRN-jRCT1051200143
• Lead Sponsor: Kayeka Hiroshi

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2021-03-03
• Last Update Posted: 17 October 2023

Recruitment & Eligibility

• Status: Recruiting
• Sex: All
• Target Recruitment: 1500

Inclusion Criteria

Those who meet all of the following 1), 2), and 3)

1) Persons who meet any of the following (a) to (d)
(a) Health care workers at Osaka City (Metropolitan) University Hospital
(b) Staff of Osaka City Health Bureau *
(c) Faculty / Students of Osaka City (Metropolitan) University School of Medicine / Graduate School of Medicine / Graduate School of Nursing
(d) Member of Osaka Clinical Trial Volunteer Association, Osaka City (Metropolitan) University Hospital #

* Including Osaka City Health Center
# They will be recruited If the expected number of subjects will not be achieved from (a), (b), and (c)

2) Aged 20-64 years
3) Persons who have voluntarily provided written informed consent for participation

Exclusion Criteria

Persons who meet any of the following 1) to 4)

1) Those with contraindications for vaccination
2) Those who have been received with COVID-19 vaccines in the past (including participation in clinical trials or clinical studies)
3) Those who have been diagnosed with COVID-19 in the past
4) Those who are judged to be ineligible for research by the principal investigator or the investigator

Study & Design

• Study Type: Observational
• Study Design: Not specified