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Inicio Medicina Clínica Anticuerpos neutralizantes en pacientes con esclerosis múltiple tratados con in...
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Vol. 114. Issue 5.
Pages 169-170 (January 2000)
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Vol. 114. Issue 5.
Pages 169-170 (January 2000)
Originales Breves
Anticuerpos neutralizantes en pacientes con esclerosis múltiple tratados con interferón beta-1b
Neutralising antibodies in patients with multiple sclerosis treated with interferon beta-1b
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Jordi Río
Corresponding author
jri@hg.vhebron.es

Correspondencia: Unidad de Neuroinmunología Clínica. Escuela de Enfermería, 5.aplanta. Hospital General Universitario Vall d'Hebron. P.o Vall d'Hebron, 119-129. 08035 Barcelona.
, Narcis Barberà, Mar Tintoré, Luis Brieva, Xavier Montalbán
Unidad de Neuroinmunología Clínica. Servicio de Neurología. Hospital General Universitario Vall d'Hebron. Barcelona
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Fundamento

Se ha descrito la aparición deanticuerpos neutralizantes (AN) en un terciode los pacientes con esclerosis múltiple tratadoscon interferón beta. Este estudio examinala frecuencia de aparición de dichosanticuerpos y sus implicaciones clínicas.

Pacientes y métodos

Se han estudiado 68 pacientes.La determinación de AN se realizómediante la técnica de la proteína A del mixovirus.

Resultados

Se detectaron AN en el 13% delos pacientes a los 2 años.

Conclusiones

No parece existir una relaciónentre la presencia de AN y una peor evoluciónde la esclerosis múltiple.

Palabras clave:
Anticuerpos neutralizantes
Interferón beta-1b
Esclerosis múltiple
Background

Neutralising antibodies (NABs)against interferon beta have been describedin one third of patients with multiple sclerosistreated with interferon beta. We haveanalysed the frequency of NABs and theirclinical consequences.

Patients and methods

We have studied 68patients. NABs were determined by proteinA Myxovirus assay.

Results

Positive NABs were detected in 13%of the patients after 2 years of treatment.

Conclusions

It does not seem to exist a relationshipbetween presence of NABs and apoor evolution of the disease in our patientswith multiple sclerosis treated with beta interferon.

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