Abstract | BACKGROUND: AIM: To assess pregnancy outcomes in females and partners of males who received vedolizumab. METHODS: All pregnancy data collected during the clinical programme (from 14 May 2007 to 27 June 2013) and in the post-marketing setting (to 19 November 2015) were analysed. RESULTS: Across six studies, there were 27 pregnancies in female participants and 19 pregnancies in partners of male participants. Among 24 vedolizumab-treated females (23 with CD/UC, one healthy volunteer), there were 11 live births, five elective terminations, four spontaneous abortions and four undocumented outcomes. A congenital corpus callosum agenesis anomaly was reported in one live birth from a healthy volunteer with extensive obstetric history exposed to single-dose vedolizumab 79 days before estimated conception. Of 19 pregnancies in partners of male participants, there were 11 live births, two spontaneous abortions, three elective terminations and three undocumented outcomes. Post-marketing reports recorded 81 pregnancies, resulting in four live births, 11 spontaneous abortions and 66 pregnancies that were on-going or reported undocumented outcomes. CONCLUSIONS: Initial analysis, limited by sample size and follow-up, identified no new safety concerns for pregnancy outcomes in females directly or indirectly exposed to vedolizumab. However, vedolizumab should be used during pregnancy only if the benefits to the mother outweigh the risks to the mother/unborn child.
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Authors | U Mahadevan, S Vermeire, K Lasch, B Abhyankar, F Bhayat, A Blake, M Dubinsky |
Journal | Alimentary pharmacology & therapeutics
(Aliment Pharmacol Ther)
Vol. 45
Issue 7
Pg. 941-950
(04 2017)
ISSN: 1365-2036 [Electronic] England |
PMID | 28169436
(Publication Type: Journal Article)
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Copyright | © 2017 John Wiley & Sons Ltd. |
Chemical References |
- Antibodies, Monoclonal, Humanized
- Gastrointestinal Agents
- Integrins
- integrin alpha4beta7
- vedolizumab
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Topics |
- Adult
- Antibodies, Monoclonal, Humanized
(therapeutic use)
- Clinical Trials as Topic
- Colitis, Ulcerative
(drug therapy)
- Crohn Disease
(drug therapy)
- Female
- Gastrointestinal Agents
(therapeutic use)
- Humans
- Integrins
(immunology)
- Male
- Pregnancy
- Pregnancy Outcome
- Prospective Studies
- Young Adult
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