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Lookup NU author(s): Dr Jonathan Richardson
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AimsTNF- inhibitors are considered relatively safe in pregnancy but experience is still limited. The aim of this study was to evaluate the risk of major birth defects, spontaneous abortion, preterm birth and reduced birth weight after first trimester exposure to TNF- inhibitors.MethodsPregnancy outcomes of women on adalimumab, infliximab, etanercept, certolizumab pegol or golimumab were evaluated in a prospective observational cohort study and compared with outcomes of a non-exposed random sample. The samples were drawn from pregnancies identified by institutes collaborating in the European Network of Teratology Information Services.ResultsIn total, 495 exposed and 1532 comparison pregnancies were contributed from nine countries. The risk of major birth defects was increased in the exposed (5.0%) compared with the non-exposed group (1.5%; adjusted odds ratio (ORadj) 2.2, 95% CI 1.0, 4.8). The risk of preterm birth was increased (17.6%; ORadj 1.69, 95% CI 1.1, 2.5), but not the risk of spontaneous abortion (16.2%; adjusted hazard ratio [HRadj] 1.06, 95% CI 0.7, 1.7). Birth weights adjusted for gestational age and sex were significantly lower in the exposed group compared to the non-exposed cohort (P=0.02). As a diseased comparison group was not possible to ascertain, the influence of disease and treatment on birth weight and preterm birth could not be differentiated.ConclusionsTNF- inhibitors may carry a risk of adverse pregnancy outcome of moderate clinical relevance. Considering the impact of insufficiently controlled autoimmune disease on the mother and the unborn child, TNF- inhibitors may nevertheless be a treatment option in women with severe disease refractory to established immunomodulatory drugs.
Author(s): Weber-Schoendorfer C, Oppermann M, Wacker E, Bernard N, Beghin D, Cuppers-Maarschalkerweerd B, Richardson JL, Rothuizen LE, Pistelli A, Malm H, Eleftheriou G, Kennedy D, Duman MK, Meister R, Schaefer C, Network French Pharmacovigilance C
Publication type: Article
Publication status: Published
Journal: British Journal of Clinical Pharmacology
Year: 2015
Volume: 80
Issue: 4
Pages: 727-739
Print publication date: 01/10/2015
Online publication date: 28/05/2015
Acceptance date: 21/03/2015
ISSN (print): 0306-5251
ISSN (electronic): 1365-2125
Publisher: Wiley-Blackwell Publishing Ltd.
URL: http://dx.doi.org/10.1111/bcp.12642
DOI: 10.1111/bcp.12642
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