Przegląd Gastroenterologiczny

Abstract

2/2024 vol. 19
Original paper

SARS-CoV-2 vaccination in inflammatory bowel disease (IBD) patients – does treatment for IBD negatively affect SARS-CoV-2 antibodies? A single-centre, prospective study

  1. Clinical Department of Internal Medicine and Gastroenterology with Inflammatory Bowel Disease Unit, National Medical Institute of the Ministry of the Interior and Administration, Warsaw, Poland
  2. Department of Internal Medicine, Faculty of Health Science, Medical University of Warsaw, Warsaw, Poland
  3. Collegium Medicum, Jan Kochanowski University, Kielce, Poland
Gastroenterology Rev 2024; 19 (2): 198–205
Online publish date: 2023/07/27
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Introduction

Inflammatory bowel disease (IBD) patients use a wide variety of immunosuppressive drugs, including biologics, but their effect on SARS-CoV-2 vaccine antibody levels remains a mystery.

Aim

We analysed whether the drugs used in the treatment of IBD patients could affect the concentration of SARS-CoV-2 antibodies.

Material and methods

This is a prospective, single-centre evaluation of the persistence of SARS-CoV-2 antibodies after vaccination at various time points: every 2 months throughout the 6th month after the first dose.

Results

We included a total of 346 vaccinated IBD patients in the study. A negative correlation between antibody level and time from full vaccination was confirmed for the following types of therapy: infliximab (rho = –0.32, p < 0.001), adalimumab (rho = –0.35, p = 0.025), and vedolizumab (rho = –0.50, p < 0.001). In the case of other, long-term drug administration, a negative correlation between antibody level and time from full vaccination was confirmed for mesalazine (rho = –0.35, p < 0.001), budesonide (rho = –0.58, p = 0.004), systemic glucocorticoids (rho = –0.58, p < 0.001), and azathioprine (rho = –0.44, p < 0.001).

Conclusions

Due to the immunosuppressive and biological treatment, IBD patients are exposed to a shorter persistence of SARS-CoV-2 antibodies and require booster doses. The role of gastroenterologists in educating patients about the need to continue SARS-CoV-2 vaccination remains crucial.

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