Evaluation of antibody production after vaccination with COVID-19 in volunteer donors

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCT1071210129

Enrollment

Registered

2022-03-03

Start date

2022-01-12

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

Prevention of infectious diseases by SARS-CoV-2

Interventions

Perform blood sampling, which is a minor invasion for the purpose of research, for healthy adult.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Being over 20 years old at the time of consent. The person who is going to be vaccinated for the third time. A staff member of Sasebo Kyosai Hospital who has given written consent to participate in this study.

Exclusion criteria

Exclusion criteria: Cases expressing the intention of refusing to participate in this study. Other cases that the person in charge of implementation deems inappropriate as a subject.

Design outcomes

Primary

Measure	Time frame
Changes in antibody titer to COVID-19. Comparison of COVID19 antibody reagents from Abbott and Roche.	—

Contacts

Public ContactNaoki Inada

Sasebo Kyosai Hospital

info@kkr.sasebo.nagasaki.jp+81-956-22-5136

Outcome results

None listed

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