eutralizing antibody titer after COVID-19 vaccination in Japanese elderly populatio
Not Applicable
Recruiting
- Conditions
- COVID-19
- Registration Number
- JPRN-UMIN000047043
- Lead Sponsor
- Medical Corporation, Forkmore
- Brief Summary
The geometric means of the first neutralizing antibody titer (NAT: AU/ml) were 645[49-8745] in OLD group (>= 65: N=119) and 1777 [159-19821] in YOUNG Group (< 65: N=62) respectively. The proportion of subjects (>=1280 AU/ml) were 39/119(32.8%) vs 39/62(62.9%) in the first measurement and 0/16(0.0%) vs 3/16(18.8%) in the second. Negative test results (<50) were 7/119(3.9%) vs (6/62(5.0%) vs 1/61(0.2%)) in the first NAT and (3/16(4.8%) vs 0/13(0.0%) in the second.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- All
- Target Recruitment
- 181
Inclusion Criteria
Not provided
Exclusion Criteria
No signature of informed consent
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method neutralizing antibody titer (NAT) after two doses of messenger RNA vaccine inoculation
- Secondary Outcome Measures
Name Time Method