Journal
MULTIPLE SCLEROSIS JOURNAL
Volume 13, Issue 7, Pages 900-908Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/1352458506075654
Keywords
clinical trial; immunoglobulin; intravenous; multiple sclerosis; postpartum; relapsing-remitting
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Untreated patients with relapsing-remitting multiple sclerosis (RRMS) have an elevated risk of exacerbation in the first 3 months postpartum. Pregnant patients (n = 173) with RRMS and with at least one relapse in the two years before pregnancy were enrolled in this multinational, multicentre, randomized double-blind clinical trial investigating different doses of intravenous immunoglobulin (IVIG) treatment in the 6 months postpartum. Group I (unloaded) received 150 mg/kg body weight (BW) IVIG on Day 1, then placebo infusions on Day 2 and Day 3. Group 11 (loaded) received 450, 300 and 150 mg/kg BW on Days 1, 2 and 3 respectively. Both groups then received 150 mg/kg BW five times in four-weekly intervals. The ratio of patients remaining relapse-free during the first 3 months postpartum did not differ significantly between both groups (81.5% in Group 11 versus 75.6% in Group 1). The ratio of relapse-free patients was independent of dosage in the subgroup of patients breastfeeding for at least 3 months (89% in Group I versus 90% in Group 11). The mean annualized relapse rate (ARR) after pregnancy did not show an increased risk for exacerbation, but returned to prepregnancy level within 3 months independent of dosage. The treatment was well tolerated. Multiple Sclerosis 2007; 13: 900-908. http://msj.sagepub.com.
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