Abstract
The aim of the present article was to review the role of the placenta function in the transfer of immunosuppressants and monoclonal antibodies used for the treatment of inflammatory bowel disease, as well as the available data regarding the safety of these therapies during pregnancy. Methotrexate can cause congenital abnormalities and is contraindicated during pregnancy. Available data suggest that thiopurines are safe and well tolerated during pregnancy. Treatment with cyclosporine for steroid refratory ulcerative colitis during pregnancy can be considered effective and safe. Biological therapies appear to be safe during pregnancy, as no increased risk of malformations has been demonstrated. Transplacental exchanges are known to involve passive transfer, active transport and facilitated diffusion. Thiopurines are transported by passive transfer. The transport across the placenta of corticosteroids, methotrexate and cyclosporine is modulated by protein “pumps”. Infliximab and adalimumab bind the FcRn-receptor as other IgG proteins do. The mechanisms of the diffusion of certolizumab across the placenta barrier remain unknown.
Keywords: Adalimumab, azathioprine, inflammatory bowel disease, infliximab, mercaptopurine, methotrexate, pregnancy, potential toxicity to the fetus, teratogenicity, Crohn's disease, ulcerative colitis, fertility, transfer of immunosuppressants
Current Pharmaceutical Biotechnology
Title: Transplacental Transfer of Immunosuppressants and Biologics Used for the Treatment of Inflammatory Bowel Disease
Volume: 12 Issue: 5
Author(s): Maria Chaparro and Javier P. Gisbert
Affiliation:
Keywords: Adalimumab, azathioprine, inflammatory bowel disease, infliximab, mercaptopurine, methotrexate, pregnancy, potential toxicity to the fetus, teratogenicity, Crohn's disease, ulcerative colitis, fertility, transfer of immunosuppressants
Abstract: The aim of the present article was to review the role of the placenta function in the transfer of immunosuppressants and monoclonal antibodies used for the treatment of inflammatory bowel disease, as well as the available data regarding the safety of these therapies during pregnancy. Methotrexate can cause congenital abnormalities and is contraindicated during pregnancy. Available data suggest that thiopurines are safe and well tolerated during pregnancy. Treatment with cyclosporine for steroid refratory ulcerative colitis during pregnancy can be considered effective and safe. Biological therapies appear to be safe during pregnancy, as no increased risk of malformations has been demonstrated. Transplacental exchanges are known to involve passive transfer, active transport and facilitated diffusion. Thiopurines are transported by passive transfer. The transport across the placenta of corticosteroids, methotrexate and cyclosporine is modulated by protein “pumps”. Infliximab and adalimumab bind the FcRn-receptor as other IgG proteins do. The mechanisms of the diffusion of certolizumab across the placenta barrier remain unknown.
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Cite this article as:
Chaparro Maria and P. Gisbert Javier, Transplacental Transfer of Immunosuppressants and Biologics Used for the Treatment of Inflammatory Bowel Disease, Current Pharmaceutical Biotechnology 2011; 12 (5) . https://dx.doi.org/10.2174/138920111795470903
DOI https://dx.doi.org/10.2174/138920111795470903 |
Print ISSN 1389-2010 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4316 |
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