Document Detail


Transplacental Transfer of Immunosuppressants and Biologics Used for the Treatment of Inflammatory Bowel Disease.
MedLine Citation:
PMID:  21342120     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
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.
Authors:
María Chaparro; Javier P Gisbert
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-2-22
Journal Detail:
Title:  Current pharmaceutical biotechnology     Volume:  -     ISSN:  1873-4316     ISO Abbreviation:  -     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-2-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100960530     Medline TA:  Curr Pharm Biotechnol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Gastroenterology Unit, Hospital Universitario de La Princesa, Diego de León 62, 28006, Madrid, Spain. mariachs2005@gmail.com.
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