{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T21:06:13Z","timestamp":1790024773218,"version":"4.0.1"},"reference-count":16,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2023,3,18]],"date-time":"2023-03-18T00:00:00Z","timestamp":1679097600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Acad Dermatol Venereol"],"published-print":{"date-parts":[[2023,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Psoriasis is a chronic immune\u2010mediated inflammatory disorder that also occurs in the setting of human immunodeficiency virus (HIV). Biological therapy has transformed the treatment landscape for psoriasis; however, individuals with HIV are excluded from clinical trials. The impact of biological therapy on blood parameters in HIV is unclear and is only observed in small case series.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>The aim of this study was to assess the effect of biological therapy in psoriasis vulgaris in individuals with well\u2010controlled HIV on CD4<jats:sup>+<\/jats:sup> cell counts, CD4<jats:sup>+<\/jats:sup> proportion and HIV viral load over 12\u2009months.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>This retrospective cohort study was conducted at a tertiary referral centre in Sydney, Australia and included 36 HIV\u2010positive individuals with psoriasis treated with biological therapy, compared with 144 age\u2010, gender\u2010 and HAART\u2010matched individuals without psoriasis seen between 2010 and 2022. Outcomes of interest included HIV viral load, CD4<jats:sup>+<\/jats:sup> cell count and incidence of infections.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>No statistically significant difference was seen in baseline HIV viral load and CD4<jats:sup>+<\/jats:sup> count between individuals with and without psoriasis. No significant change in CD4<jats:sup>+<\/jats:sup> count or HIV viral load was seen over the 12\u2010month period of analysis in the HIV cohort without psoriasis. The HIV cohort treated with biological therapy for psoriasis also did not demonstrate any significant change in HIV viral load and CD4<jats:sup>+<\/jats:sup> counts over the 12\u2010month period examined. Stratification by type of biological therapy used did not identify any significant changes in these parameters. Rates of infections and adverse events were also not significantly different between cohorts. It is possible that minor blips seen in the biologics cohort may be a risk factor for future virological failure, and future prospective longitudinal studies are required.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>In individuals with well\u2010controlled HIV, the use of biological therapy for psoriasis does not significantly impact HIV viral load, CD4<jats:sup>+<\/jats:sup> cell count, CD4<jats:sup>+<\/jats:sup> proportion and rates of infection over the first 12\u2009months of therapy.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jdv.19020","type":"journal-article","created":{"date-parts":[[2023,3,10]],"date-time":"2023-03-10T15:10:25Z","timestamp":1678461025000},"page":"1659-1663","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["The impact of psoriasis biologic therapy on <scp>HIV<\/scp> viral load and\u00a0<scp>CD4<\/scp><sup>+<\/sup> cell counts in <scp>HIV<\/scp>\u2010positive individuals: A <scp>real\u2010world<\/scp> cohort study"],"prefix":"10.1111","volume":"37","author":[{"given":"Jennifer","family":"Xu","sequence":"first","affiliation":[{"name":"Faculty of Medicine University of New South Wales  New\u00a0South Wales Sydney Australia"},{"name":"Department of Dermatology Liverpool Hospital  Sydney New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kyra","family":"Gill","sequence":"additional","affiliation":[{"name":"Faculty of Medicine University of New South Wales  New\u00a0South Wales Sydney Australia"},{"name":"Department of Dermatology Liverpool Hospital  Sydney New South Wales Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Akshay","family":"Flora","sequence":"additional","affiliation":[{"name":"Faculty of Medicine University of New South Wales  New\u00a0South Wales Sydney Australia"},{"name":"Department of Dermatology Liverpool Hospital  Sydney New South Wales 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Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2023,3,18]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.m1590"},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/dth.12806"},{"key":"e_1_2_11_4_1","doi-asserted-by":"publisher","DOI":"10.1001\/jamadermatol.2021.2599"},{"key":"e_1_2_11_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/ijd.14436"},{"key":"e_1_2_11_6_1","first-page":"38","article-title":"Psoriasis treatment in HIV\u2010positive patients: a systematic review of systemic immunosuppressive therapies","volume":"101","author":"Nakamura 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