A single-dose strategy for immunization with live attenuated vaccines is an effective option before treatment initiation in multiple sclerosis patients

René Carvajal, Carmen Tur, Xavier Martínez-Gómez, Luca Bollo, Juliana Esperalba, Marta Rodriguez, Agustín Pappolla, Alvaro Cobo-Calvo, Pere Carbonell, Blanca Borras-Bemejo, Jordi Río, Joaquín Castilló, Nathane Braga, Neus Mongay-Ochoa, José Ángel Rodrigo-Pendás, Ángela Vidal-Jordana, Georgina Arrambide, Breogán Rodríguez-Acevedo, Ana Zabalza, Luciana MidagliaIngrid Galán, Manuel Comabella, Jaume Sastre-Garriga, Xavier Montalban, Mar Tintoré, Susana Otero-Romero

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Resum

BACKGROUND: Mumps-Measles-Rubella (MMR) and Varicella zoster vaccines (VAR) are live attenuated vaccines, usually administered in a two-dose scheme at least 4 weeks apart. However, single-dose immunization schemes may also be effective and can reduce delays in immunosuppressive treatment initiation in patients with multiple sclerosis (pwMS) who need to be immunized.

OBJECTIVES: To evaluate the immunogenicity of a single-dose attempt (SDA) versus the standard immunization scheme (SIS) with VAR and/or MMR in pwMS.

METHODS: Retrospective observational study in pwMS vaccinated against VAR and/or MMR. We compared seroprotection rates and antibody geometric mean titers (GMTs) between the two strategies.

RESULTS: Ninety-six patients were included. Thirty-one patients received VAR and 67 MMR. In the SDA group, the seroprotection rate was 66.7% (95% confidence interval (CI): 53.3-78.3) versus 97.2% (95% CI: 85.5-99.9) in the SIS (p 
CONCLUSION: An SDA of VAR and/or MMR vaccines could be sufficient to protect almost two-thirds of patients. Testing immunogenicity after a single dose of VZ and/or MMR could be included in routine clinical practice to achieve rapid
Idioma originalAnglès
Número d’article13524585231200303
Pàgines (de-a)1841-1848
Nombre de pàgines8
RevistaMultiple sclerosis (Houndmills, Basingstoke, England)
Volum29
Número14
Data online anticipada20 de set. 2023
DOIs
Estat de la publicacióPublicada - de des. 2023

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