Marker of humoral and cellular immunity six to eight months after completing immunization against COVID-19 in residents of long-term care facilities for the elderly

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00025813

Enrollment

500

Registered

2021-08-12

Start date

2021-07-18

Completion date

Unknown

Last updated

2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

COVID-19 U07.1

Interventions

Group 1: Residents of long-term care facilities >75 years of age, who had received two doses of an mRNA vaccine against COVID-19 6 to 8 months earlier, are to be examined by blood sample testing. Grou

Eligibility

Sex/Gender

All

Age

75 Years to No maximum

Inclusion criteria

Inclusion criteria: Complete vaccination against COVID-19 6 to 8 months at the time of inclusion in the study. No known prior infection with SARS-CoV-2. Group 1: Age 75 years or older. Resident of long-term care facility for the elderly.

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

Measure	Time frame
Positive detection of anti-SARS-CoV-2 IgG and the positive detection of a SARS-CoV-2 specific T- and B-memory response.	—

Countries

Germany

Contacts

Public ContactSebastian Hoehl

Institut für Medinizische Virologie, Universitätsklinikum Frankfurt

sebastian.hoehl@kgu.de069-6301-83062

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026