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Five-year boostability after single-visit single-dose intramuscular rabies pre-exposure prophylaxis

Five-year boostability after single-visit single-dose intramuscular rabies pre-exposure prophylaxis

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
NL-OMON
Registry ID
NL-OMON22516
Enrollment
200
Registered
2021-10-25
Start date
2022-01-10
Completion date
Unknown
Last updated
2024-06-11

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

Conditions

Rabies

Interventions

- Study group A – one single intramuscular dose (1 mL) of rabies vaccine (D1) - Study group B – standard three-dose (1 mL) intramuscular PrEP vaccination (D1, D8, D22)

Sponsors

Leiden University Medical Center (LUMC), Department of Infectious Diseases
Lead Sponsor
Bavarian Nordic
Collaborator

Eligibility

Age
18 Years to 99 Years

Inclusion criteria

Inclusion criteria: • Age =18 years • Good health according to investigator • Willingness and ability to adhere to the study regimen • Able to provide informed consent • Naïve to rabies exposure or vaccination • Willing to comply to a follow-up of 5 years • Unlikely to require rabies PrEP in next 5 years

Exclusion criteria

Exclusion criteria: • History of previous rabies vaccination • Suspected previous vaccination against rabies • Known or suspected severe allergy against egg protein • Known or suspected allergy against any of the other vaccine components • History of unusual or severe reactions to any previous vaccination • History of (pre)syncope associated with medical procedures involving needles • Immunocompromized state due to illness or medication • Administration of plasma or blood products three months prior to inclusion • (hydroxy)chloroquine or mefloquine use • History of any neurological disorder including epilepsy • Pregnancy or breastfeeding • Any current infectious disease other than seasonal cold • Bleeding disorders or use of anticoagulants

Design outcomes

Primary

MeasureTime frame
Rate of increase of GMC of RVNA between day 1 and day 8 after simulated PEP.

Secondary

MeasureTime frame
Percentage of subjects with RVNA titer >0.5 IU/mL at D1, D57 or D78, Y1, Y2 and Y5 after primary vaccination. Percentage of subjects with RVNA titers>0.5 IU/mL at D1, D8 and D15, after the simulated post-exposure vaccination. Percentage of subjects with RVNA titers>3 IU/mL, and percentage of subjects with RVNA titers >5 IU/mL at day 8 after simulated PEP. GMCs at D1, D57 or D78, Y1, Y2 and Y5 after primary vaccination, and at D1, D8 and D15 after the simulated post-exposure vaccination.

Contacts

Public ContactDr. J.A. Vlot

Leiden University Medical Center (LUMC)

j.a.vlot@lumc.nl071-5261242

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)