Changes in specific antibody titers and interferon gamma levels after an Omicron BA.4/BA.5-Adapted Bivalent Booster

Changes in specific antibody titers and interferon gamma levels after an Omicron BA.4/BA.5-Adapted Bivalent Booster - Changes in specific antibody titers and interferon gamma levels after an Omicron BA.4/BA.5-Adapted Bivalent Booster

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000049273

Enrollment

150

Registered

2022-11-10

Start date

2022-10-31

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

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Employees of Fukuoka City Hospital who have been measured spike-specific antibody titers and interferon gamma levels.

Exclusion criteria

Exclusion criteria: None

Design outcomes

Primary

Measure	Time frame
Changes in spike-specific antibody titers and interferon gamma levels one month after an Omicron BA.4/BA.5-Adapted Bivalent Booster.	—

Secondary

Measure	Time frame
The relation between the degree of adverse reactions and the strength of the immune response to an Omicron BA.4/BA.5-Adapted Bivalent Booster.	—

Countries

Japan

Contacts

Public ContactNaoki Tani

Kyushu University Graduate School of Medical Sciences Medicine and Biosystemic Science

tani.kyushu.univ@gmail.com+81-92-642-5229

Outcome results