Primary SARS-CoV-2 infection in patients with immune-mediated inflammatory diseases: long-term humoral immune responses and effects on disease activity

on behalf of the T2B! immunity against SARS-CoV-2 study group, Koos P.J. van Dam, Adriaan G. Volkers, Luuk Wieske, Eileen W. Stalman, Laura Y.L. Kummer, Zoé L.E. van Kempen, Joep Killestein, Sander W. Tas, Laura Boekel, Gerrit J. Wolbink, Anneke J. van der Kooi, Joost Raaphorst, R. Bart Takkenberg, Geert R.A.M. D’Haens, Phyllis I. Spuls, Marcel W. Bekkenk, Annelie H. Musters, Nicoline F. Post, Angela L. BosmaMarc L. Hilhorst, Yosta Vegting, Frederike J. Bemelman, Alexandre E. Voskuyl, Bo Broens, Agner Parra Sanchez, Cécile A.C.M. van Els, Jelle de Wit, Abraham Rutgers, Karina de Leeuw, Barbara Horváth, Jan J.G.M. Verschuuren, Annabel M. Ruiter, Lotte van Ouwerkerk, Diane van der Woude, Renée C.F. Allaart, Y. K.Onno Teng, Pieter van Paassen, Matthias H. Busch, Papay B.P. Jallah, Esther Brusse, Pieter A. van Doorn, Adája E. Baars, Dirk Jan Hijnen, Corine R.G. Schreurs, W. Ludo van der Pol, H. Stephan Goedee, Maurice Steenhuis, Sofie Keijzer, Niels J.M. Verstegen, S. Marieke van Ham

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    Abstract

    Background: Patients with immune-mediated inflammatory diseases (IMIDs) on immunosuppressants (ISPs) may have impaired long-term humoral immune responses and increased disease activity after SARS-CoV-2 infection. We aimed to investigate long-term humoral immune responses against SARS-CoV-2 and increased disease activity after a primary SARS-CoV-2 infection in unvaccinated IMID patients on ISPs. Methods: IMID patients on active treatment with ISPs and controls (i.e. IMID patients not on ISP and healthy controls) with a confirmed SARS-CoV-2 infection before first vaccination were included from an ongoing prospective cohort study (T2B! study). Clinical data on infections and increased disease activity were registered using electronic surveys and health records. A serum sample was collected before first vaccination to measure SARS-CoV-2 anti-receptor-binding domain (RBD) antibodies. Results: In total, 193 IMID patients on ISP and 113 controls were included. Serum samples from 185 participants were available, with a median time of 173 days between infection and sample collection. The rate of seropositive IMID patients on ISPs was 78% compared to 100% in controls (p < 0.001). Seropositivity rates were lowest in patients on anti-CD20 (40.0%) and anti-tumor necrosis factor (TNF) agents (60.5%), as compared to other ISPs (p < 0.001 and p < 0.001, respectively). Increased disease activity after infection was reported by 68 of 260 patients (26.2%; 95% CI 21.2–31.8%), leading to ISP intensification in 6 out of these 68 patients (8.8%). Conclusion: IMID patients using ISPs showed reduced long-term humoral immune responses after primary SARS-CoV-2 infection, which was mainly attributed to treatment with anti-CD20 and anti-TNF agents. Increased disease activity after SARS-CoV-2 infection was reported commonly, but was mostly mild. Trial registration: NL74974.018.20, Trial ID: NL8900. Registered on 9 September 2020.

    Original languageEnglish
    Article number332
    JournalBMC Infectious Diseases
    Volume23
    Issue number1
    DOIs
    Publication statusPublished - Dec 2023

    Keywords

    • Antibodies
    • Autoimmune disease
    • Covid-19
    • Disease activity
    • Flare
    • Immune-mediated inflammatory diseases
    • Immunity
    • Immunosuppression
    • SARS-CoV-2
    • TNF

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