Exposure to Vedolizumab in IBD Pregnant Women Appears of Low Risk for Mother and Neonate: A First Prospective Comparison Study.

Bar-Gil Shitrit, Ariella; Ben Yaʼacov, Ami; Livovsky, Dan Meir; Cuker, Tzufit; Farkash, Rivka; Hoyda, Aviya; Granot, Tami; Avni-Biron, Irit et al. · Am J Gastroenterol · 2019

prospective_cohort · Level II

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Abstract

Despite encouraging data gathered in inflammatory bowel diseases (IBD) patients, Vedolizumabs' (VDZ) safety profile in pregnancy is not established. Data of 330 consecutive pregnancies with IBD was prospectively collected. Women with IBD were treated with: VDZ (n = 24), anti-tumor necrosis factors (n = 82) or conventional therapy (n = 224). Gravidity and parity were similar among the 3 groups. The VDZ group was comprised mostly of Crohn's disease patients who were all not naïve to biological treatment. They had significantly higher conception rates during active disease (P < 0.05), with fewer flares during pregnancy. Although further study is needed, VDZ appears of low risk during pregnancy.

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