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Impact of immunomodulating medication on maternal Tdap vaccination-induced antibodies in infants

  • Jantien W. Wieringa*
  • , Mirjam J. Esser
  • , Gerco den Hartog
  • , M. Alina Nicolaie
  • , Lyanne W. Rövekamp
  • , Esther G. J. Rijntjes-Jacobs
  • , Ron H. T. van Beek
  • , Gerdien A. Tramper-Stranders
  • , Marjan Kuijer
  • , Maarten M. Immink
  • , Nicoline A. T. van der Maas
  • , Nynke Y. Rots
  • , Gertjan J. A. Driessen
  • , Hannie van Achterberg
  • , Eline S. A. van den Akker
  • , Thomas van den Akker
  • , Denise van den Berg-Zuiddam
  • , Kitty W. M. Bloemenkamp
  • , Ilka H. van Dalen-Vink
  • , Judith Demmers
  • Anneke Dijkman, Willem A. Dik, Gerdina H. Dubbink-Verheij, Frederique M. van Dunné, Rachel van Eijk, Mirjam E. Esser, Wessel Ganzevoort, Hayat el Ghabzouri, Jiska M. de Haan-Jibbink, Petra J. Hajenius, Marlies A. van Houten, Lenny de Jong, Bas Harzing, Wietske Hermes, Ingrid Heuts-van de Kragt, Meike M. C. Hirdes, Marion E. van Hoorn, Christine H. ten Hove, Pamela Hurkmans, Marjon Kramer, Anne A. M. W. van Kempen, Sander van der Marel, Andrea E. van der Meulen-de Jong, Irene Middelhof, Annemarie G. M. G. J. Mulders, Nicole M. A. Nagtzaam, Remco G. W. Nijman, Jeroen G. Noordzij, Conny A. M. Nuis-Vrijhof, Charlotte M. van Oirschot, Karin van der Plas, Sandra J. Posthumus-van Sluijs, Ineke C. G. M. Reijnen, Joke M. van Rhee- Binkhorst, Maaike C. van Rossem, Lyanne W. Rövekamp-Abels, Sinta D. Sie, Sinno H. P. Simons, Gaby P. Smits, Jeanine J. Sol, Nidhi Srivastava, Helene G. Stas, Daniel Stok, Piet Sturm, Kamilla Talhaoui, Xandra W. van Tweel, Mirjam van Veen, Marieke B. Veenhof, Rolf J. Verheul, Marijn J. Vermeulen, Clementien L. Vermont, Hans J. Versendaal, Nanda S. M. van Vliet, Karlijn C. Vollebregt, Corla B. Vredevoogd, Herbert M. van Wering, Lia D. E. Wijnberger, Willem J. van Wijngaarden, Joanne G. Wildenbeest, Jolien Wisse, PETIT study
*Corresponding author for this work
  • Haaglanden Medisch Centrum
  • Erasmus University Rotterdam
  • Maastricht University
  • National Institute of Public Health and the Environment
  • Radboud University Nijmegen
  • Juliana Children's Hospital
  • Leiden University
  • Amphia Hospital
  • Franciscus Gasthuis en Vlietland
  • Onze Lieve Vrouwe Gasthuis
  • Utrecht University
  • Reinier de Graaf Groep
  • Groene Hart Hospital
  • Amsterdam UMC
  • Spaarne Gasthuis
  • Ikazia Hospital
  • Haga Ziekenhuis
  • Rijnstate Hospital
  • National Institute for Public Health and the Environment (RIVM)
  • ETZ Elisabeth
  • University of Amsterdam
  • Maasstad Hospital

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

Background and Aims Current international guidelines on inflammatory bowel disease (IBD) advise to continue immunomodulating medication during pregnancy. Data on the effect of this medication on maternal Tdap (Tetanus-Diphtheria-acellular pertussis) vaccination and transfer of antibodies to the infant are scarce. Methods Pregnant women with IBD receiving various immunomodulating medications and their infants were prospectively recruited in the Pregnancy Exposure to TNF alpha inhibitors and Immunological effect (PETIT) study cohort from 16 hospitals in the Netherlands between December 2018 and March 2023. All women were offered maternal Tdap vaccination according to the Dutch National Immunization Program. IgG concentrations against all Tdap components were measured at birth (maternal and cord blood) and at 2 months of age in the infant, preceding active immunization. We compared geometrical mean concentrations (GMCs) in IBD mother-infant pairs with healthy control mother-infant pairs. Results Geometrical mean concentrations of antibodies against all Tdap components were significantly higher in 135 maternally vaccinated mothers and their infants compared with 25 unvaccinated IBD women-infant pairs treated with immunomodulating medication during pregnancy, at all timepoints. However, GMC against pertactin (PRN) was significantly lower in vaccinated IBD mother-infant pairs compared to healthy vaccinated control mother-infant pairs, particularly in mothers treated with anti-tumor necrosis factor alpha and their infants. Conclusions Maternal Tdap vaccination in women with IBD receiving immunomodulating medication during pregnancy results in significantly higher Tdap-antibody concentrations in their infants compared to infants of unvaccinated IBD mothers, although GMC was lower for PRN compared to healthy controls. These results support current recommendations to advise maternal Tdap vaccination in pregnant women receiving immunomodulating medication.
Original languageEnglish
Article numberjjaf090
JournalJ. Crohn's Colitis
Volume19
Issue number6
DOIs
Publication statusPublished - 1 Jun 2025

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • immunomodulating medication
  • pregnancy
  • vaccination

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