Follow-up of children exposed antenatally to immunosuppressive drugs
1Neonatology and Neonatal Intensive Care, Children's Hospital of Brescia, 2Rheumatology and Clinical Immunology, Spedali Civili, University of Brescia, 3IRCCS Istituto Auxologico Italiano, University of Milano and 4Pediatric Rheumatology, Meyer Children's Hospital and University of Florence, Italy.
Correspondence to: M. Motta, Neonatology and Neonatal Intensive Care, Children's Hospital of Brescia, Pzz. le Spedali Civili – 25123 Brescia, Italy. E-mail: lvmott{at}tin.it
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Antenatal exposure to immunosuppressive drugs given to mothers during pregnancy to treat autoimmune diseases raises some questions about the fetal development and the long-term outcome of children. Studies in humans showed that glucocorticoids (GCs), CsA and HCQ do not seem to increase the risk of congenital abnormalities; in contrast, cyclophosphamide, LEF and MTX are contraindicated during pregnancy. The risk of gestational complications, including pre-term delivery, intrauterine growth retardation (IUGR) and low birth weight (LBW), is higher in autoimmune diseases rather than in the general population and probably this finding is related to both maternal disorder and immunosuppressive therapy. Recently, results of our studies suggest that immunosuppressants given during pregnancy do not impair significantly the development of immunity in exposed children. Moreover, preliminary data on neurodevelopmental outcome seem to exclude a causative role of in utero exposure to immunosuppressive agents on the cognitive impairment observed in some of these children; however, our data need to be confirmed with further observations.
KEY WORDS: Pregnancy, Autoimmune disease, Immunosuppressive drugs, Children
Submitted 28 February 2008; Accepted 27 March 2008
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