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Long-term treatment of antiphospholipid syndrome with intravenous immunoglobulin in addition to conventional therapy


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CER6313
2013 Vol.31, N°6
PI 0877, PF 0882
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PMID: 23985161 [PubMed]

Received: 28/01/2013
Accepted : 22/04/2013
In Press: 02/08/2013
Published: 20/12/2013

Abstract

OBJECTIVES:
This work aims to prospectively assess the long-term effects of intravenous immunoglobulin (IVIG Flebogamma®) in a small cohort of patients affected by primary or secondary antiphospholipid syndrome (APS), in addition to conventional therapy.
METHODS:
Three primary and four secondary APS patients (6 women and 1 man), aged between 40 and 62 years, were treated with IVIG in addition to conventional therapy with anticoagulants or antiplatelets, while six primary and one secondary APS patients (6 women and 1 man), aged between 31 and 61 years, continued their regular conventional therapy. One infusion of IVIG was administered at a dose of 0.4 g/kg/day every month to the first group of patients for two years. Patients were assessed at baseline, after 1 year and 2 years from the beginning of the study and were evaluated for the occurrence of any thromboembolic events and by laboratory measurement of antiphospholipides antibodies (aPL).
RESULTS:
No venous or arterial thromboses occurred in patients treated with IVIG, whereas in the control group two patients presented cerebral ischaemic attacks and one patient reported a deep vein thrombosis during the follow-up. At the end of the study, in the group treated with IVIG, we observed a statistically significant decrease of anticardiolipin antibodies (IgG and IgM) and of IgM anti-β2-glycoprotein I antibodies.
CONCLUSIONS:
Our results show the efficacy of IVIG in addition to conventional therapy, in primary and secondary APS patients, preventing the occurrence of thromboembolic events. However, further clinical studies on a larger group of patients are necessary to fully understand the mechanisms of action and the optimal doses of IVIG in APS.

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