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Copyright of General Practitioner / Lekarz POZ is the property of Termedia Publishing House and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of General Practitioner / Lekarz POZ is the property of Termedia Publishing House and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Introduction: There are scarce data on the occurrence of dermal lesions in patients with inflammatory bowel disease (IBD) treated with anti-tumor necrosis factor α (anti-TNF‑α) antibodies. Characteristics of the skin lesions, their clinical course, and impact on treatment are of high importance., Objectives: The aim of this study was to assess the prevalence, risk factors, and clinical sequelae of dermal lesions in IBD patients treated with anti-TNF‑α antibodies., Patients and Methods: This retrospective, single‑center study evaluated 541 IBD patients treated with anti-TNF‑α drugs and 688 IBD individuals with no history of anti-TNF‑α treatment., Results: Higher prevalence of dermal lesions was noted in the patients on anti-TNF‑α therapy than in the individuals not receiving such treatment (30.9% vs 16.4%; P <0.001). Risk factors for dermal lesions included higher body mass index (BMI), Crohn disease located in the small intestine, and longer duration of therapy. Some types of dermal lesions were associated with anti-TNF‑α therapy; these included infusion reactions and injection site reactions, cutaneous infection, psorasiform reactions, and lupus‑like symptoms. Overall, 5.9% of the patients on anti-TNF‑α therapy required treatment change or discontinuation due to dermal lesions (alopecia, lupus‑like symptoms, melanoma, and psoriasis)., Conclusions: We observed a higher prevalence of dermal lesions in patients with IBD undergoing anti-TNF‑α therapy than in the treatment-naive group, although development of such lesions rarely necessitated a change in or discontinuation of treatment. Patients with IBD should regularly undergo follow-up dermatologic evaluation, which may improve detection of dermal lesions. Moreover, biologic therapy in IBD patients requires close collaboration with an experienced dermatologist.

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 6 th 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., Competing Interests: The authors declare no conflict of interest., (Copyright © 2024 Termedia.)