{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T04:01:49Z","timestamp":1792036909273,"version":"4.4.0"},"reference-count":48,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2025,7,2]],"date-time":"2025-07-02T00:00:00Z","timestamp":1751414400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Int J Dermatology"],"published-print":{"date-parts":[[2025,11]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>Alopecia areata (AA) is a nonscarring, organ\u2010specific autoimmune disorder characterized by hair loss. Emerging evidence suggests that AA frequently coexists with other immune\u2010mediated diseases, but the strength and consistency of these associations remain unclear. This meta\u2010analysis aimed to systematically evaluate the prevalence and risk of immune\u2010mediated comorbidities in patients with AA, focusing on dermatological, endocrinological, gastrointestinal, and systemic immune\u2010mediated conditions. A comprehensive literature search was conducted in Medline, Web of Science, and Google Scholar for studies published from January 2000 through July 2024. Case\u2013control studies reporting immune\u2010mediated comorbidities in AA with sufficient data to calculate odds ratios (ORs) were included. Eighteen studies met the inclusion criteria, encompassing 462,945 AA patients and 11,488,192 healthy controls. Data extraction followed the Preferred Reporting Items for Systematic Reviews and Meta\u2010Analyses (PRISMA) guidelines, and study quality was assessed using the Newcastle\u2013Ottawa Scale. The meta\u2010analysis was performed using a random\u2010effects model. The analysis revealed significantly increased odds of comorbid immune\u2010mediated diseases in patients with AA, including atopic dermatitis (OR 2.63), autoimmune thyroiditis (OR 1.57), inflammatory bowel disease (OR 1.20), systemic lupus erythematosus (OR 3.28), and vitiligo (OR 6.61). The prevalence of these comorbidities ranged from 0.34% for multiple sclerosis to 38.65% for atopic disorders. These findings confirm that AA is associated with a heightened risk of various immune\u2010mediated conditions. The strong links, particularly with vitiligo, systemic lupus erythematosus, and autoimmune thyroiditis, underscore the need for comprehensive screening and interdisciplinary management of patients with AA.<\/jats:p>","DOI":"10.1111\/ijd.17895","type":"journal-article","created":{"date-parts":[[2025,7,2]],"date-time":"2025-07-02T23:10:58Z","timestamp":1751497858000},"page":"2029-2037","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Immune\u2010Mediated Disorders in Patients With Alopecia Areata: Systematic Review and Meta\u2010Analysis"],"prefix":"10.1111","volume":"64","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4722-8531","authenticated-orcid":false,"given":"Piotr K.","family":"Krajewski","sequence":"first","affiliation":[{"name":"University Center of General Dermatology and Oncodermatology Wroclaw Medical University  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