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Rabies antibody respons after booster vaccination, > 10 years after pre-exposure scheme (RAR-boost study)

Rabies antibody respons after booster vaccination, > 10 years after pre-exposure scheme (RAR-boost study) - RAR-boost study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
NL-OMON
Registry ID
NL-OMON47356
Enrollment
30
Registered
2016-05-23
Start date
2016-06-06
Completion date
Unknown
Last updated
2024-04-23

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

Conditions

Rabies

Interventions

None listed

Sponsors

Academisch Medisch Centrum
Lead Sponsor

Eligibility

Age
18 Years to 99 Years

Inclusion criteria

Inclusion criteria: - Healthy human volunteers in the AMC travel clinic with intradermal immunization or not completed scheme or divergent timetable intramuscular immunization more than 10 years ago. - Healthy military volunteers from the Marine Corps that received a completed intramuscular immunization more than 10 years ago and eligible for a booster immunization.

Exclusion criteria

Exclusion criteria: - Age < 18 years; - No previous booster immunization; - No previous post-exposition treatment with HRIG; - Potential deployment to rabies endemic area within study period ; - Presence of a serious medical history with a potential effect on the immune system such as diabetes mellitus, HIV, functional or hyposplenia/asplenia; - Allergies to one of the components of the rabies vaccine such as chicken egg protein, polygeline, hypersensitivity to neomycin, chlortetracycline, amphotericin B and other antibiotics of the same class; - Use of mefloquine or chloroquine during the study period ; - Pregnancy ; - Breastfeeding; - Immunocompromised due to medication such as prednisolone, TNF-alfa inhibitors, *biologicals* or immunodeficiency due to humoral or cellular cause.

Design outcomes

Primary

MeasureTime frame
The main study parameter is the increase of antibody titer of participants. The endpoint is the percentage of participants with a fourfold antibody increase on either day 3, day 7 and day 14 after booster immunization as measured by the RFFIT.

Secondary

MeasureTime frame
The percentage of participants with a titer of > 0.5 IU/mL at day 0.

Countries

Netherlands

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)