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Is safety infliximab during pregnancy in patients with inflammatory bowel disease?

DOI: 10.4321/S1130-01082012000200003

Keywords: inflammatory bowel disease, crohn′s disease, ulcerative colitis, pregnancy, infliximab.

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Abstract:

background: in most cases, inflammatory bowel disease (ibd) debuts at reproductive age. the data available in the literature show infliximab (ifx) to be a safe drug during pregnancy but there is very little evidence about the activity of the disease following drug withdrawal during pregnancy. aims: determine the drug′s safety in pregnant women in our setting and assess its effect on the foetus, drawing on the experience of several hospitals. secondly, observe the effect of treatment withdrawal on disease activity during pregnancy. material and methods: a retrospective study was conducted of women with ibd who had received ifx treatment during pregnancy in five hospitals in spain. disease activity was assessed using crohn′s disease activity index, while uc was assessed using the truelove-witts index in each trimester of pregnancy. gestational age, weight and diseases in the foetus were determined at birth. results: the study included 12 women with a mean age of 29 years; 4 had ulcerative colitis and 8 crohn′s disease, with mean disease duration of 7 years. all but one, who was diagnosed during pregnancy, was receiving ifx treatment at conception. six patients received uninterrupted treatment throughout the pregnancy, 2 requested voluntary interruption and in 3 cases treatment was interrupted in the third trimester as a precaution. they received a mean ifx dose of 400 mg every 8 weeks. of the 6 patients who received continuous treatment, in 50% disease was held in remission. the 6 remaining patients suspended treatment for different reasons, presenting disease recurrence in all but one case (83.3%). eight deliveries were vaginal and 4 by caesarean section. newborns presented no congenital anomalies, intrauterine growth retardation or low birth weight and there was only one premature delivery. conclusions: although cases included in the stduy are not significant, in our experience, ifx during pregnancy is a safe treatment for the mother and the foetus. in fact, in our

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