OBJECTIVES: The present investigation was aimed at establishing whether interferon (IFN)-beta would induce the synthesis of autoantibodies in patients affected by multiple sclerosis (MS). MATERIALS AND METHODS: The titres of different autoantibodies were measured in a group of 68 relapsing-remitting MS patients before and during treatment with human recombinant IFN-beta1a (3 MIU or 9 MIU subcutaneously 3x a week). ANA, anti-thyroid, anticardiolipin serum autoantibodies were assayed in all cases: when patients were found positive to ANA > 1 : 40, they were also tested for anti-DNA and anti-ENA antibodies. RESULTS: No increase was found in autoantibodies synthesis during 6 months of r-hIFNbeta1a therapy, either at low or high dosages. The percentage of patients positive to different types of autoantibodies varied between 0 and 29%, which are values similar to those already reported in untreated MS patients. CONCLUSION: Our data indicate that the short-term use of IFN-beta1a in MS is safe in terms of the induction of humoral autoimmune responses: however, further follow-up is needed to confirm these findings during long-term treatments.

No increase of serum autoantibodies during therapy with recombinant human interferon-beta1a in relapsing-remitting multiple sclerosis / Colosimo, Carlo; Pozzilli, Carlo; Frontoni, Marco; D., Farina; T., Koudriavtseva; Gasperini, Claudio; Salvetti, Marco; Valesini, Guido. - In: ACTA NEUROLOGICA SCANDINAVICA. - ISSN 0001-6314. - 96:6(1997), pp. 372-374.

No increase of serum autoantibodies during therapy with recombinant human interferon-beta1a in relapsing-remitting multiple sclerosis.

COLOSIMO, Carlo;POZZILLI, Carlo;FRONTONI, Marco;GASPERINI, claudio;SALVETTI, Marco;VALESINI, Guido
1997

Abstract

OBJECTIVES: The present investigation was aimed at establishing whether interferon (IFN)-beta would induce the synthesis of autoantibodies in patients affected by multiple sclerosis (MS). MATERIALS AND METHODS: The titres of different autoantibodies were measured in a group of 68 relapsing-remitting MS patients before and during treatment with human recombinant IFN-beta1a (3 MIU or 9 MIU subcutaneously 3x a week). ANA, anti-thyroid, anticardiolipin serum autoantibodies were assayed in all cases: when patients were found positive to ANA > 1 : 40, they were also tested for anti-DNA and anti-ENA antibodies. RESULTS: No increase was found in autoantibodies synthesis during 6 months of r-hIFNbeta1a therapy, either at low or high dosages. The percentage of patients positive to different types of autoantibodies varied between 0 and 29%, which are values similar to those already reported in untreated MS patients. CONCLUSION: Our data indicate that the short-term use of IFN-beta1a in MS is safe in terms of the induction of humoral autoimmune responses: however, further follow-up is needed to confirm these findings during long-term treatments.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11573/409346
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