How well is the efficacy of hepatitis A vaccination in elderly people?
Phase 4
Recruiting
- Conditions
- hepatitis A vaccinationjaundice10047438
- Registration Number
- NL-OMON34411
- Lead Sponsor
- Alysis Zorggroep
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- Not specified
- Target Recruitment
- 60
Inclusion Criteria
1. elderly >60 years, or <40 for control group
2. all 18 years or older
3. indication for first hepatitis A vaccination
4. hepatitis A serology status unknown
5. no other reason for immune deficiancy (immunesuppressive medication, hematological disease, HIV)
6. the possibility to do the bloodsamples
Exclusion Criteria
1. people <18 years
2. previous vaccination against hepatitis A
3. immune deficiency through medication or disease
Study & Design
- Study Type
- Observational invasive
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method <p>The time that is needed to achieve a protective antibody level against<br /><br>hepatitis A.</p><br>
- Secondary Outcome Measures
Name Time Method <p>The height of antibody level against hepatitis A.</p><br>