{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,10]],"date-time":"2026-08-10T14:14:19Z","timestamp":1786371259097,"version":"build-2736575974"},"reference-count":38,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2026,4,17]],"date-time":"2026-04-17T00:00:00Z","timestamp":1776384000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,4,17]],"date-time":"2026-04-17T00:00:00Z","timestamp":1776384000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Reviews in Medical Virology"],"published-print":{"date-parts":[[2026,5]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>Mpox poses heightened risks for immunocompromised individuals, particularly people with HIV (PWH), yet evidence on clinical outcomes and antiviral treatment remains limited. We conducted a systematic review in accordance with PRISMA guidelines, searching MEDLINE, Scopus, and the Cochrane Library from inception through October 2025. Fourteen studies comprising 8867 patients were included. A recently published randomized controlled trial evaluating tecovirimat for mpox was also considered to contextualise the findings. Owing to substantial clinical and methodological heterogeneity, data were synthesised narratively using the Synthesis Without Meta\u2010analysis (SWiM) framework. Across studies, mpox severity followed a clear CD4\u2010dependent gradient. People without HIV (PWoH) and PWH with relatively preserved immune function (generally CD4 \u2265\u00a0200 cells\/\u03bcL) typically experienced milder, self\u2010limiting disease, with treatment failure rates below 5%. In contrast, PWH with CD4 counts &lt;\u00a0200 cells\/\u03bcL, particularly those &lt;\u00a0100 cells\/\u03bcL, demonstrated substantially higher rates of necrotic lesions, proctitis, hospitalisation, delayed viral clearance, and mortality. Treatment failure in this subgroup ranged from 15% to 30%, and all confirmed cases of tecovirimat resistance (3 of 18 tested) occurred in patients with CD4 counts &lt;\u00a0100 cells\/\u03bcL. Observational studies suggested that earlier initiation of tecovirimat (\u2264\u00a07\u00a0days from symptom onset) was associated with more favourable clinical trajectories. However, randomised controlled trial evidence has not demonstrated a clear efficacy signal, and prolonged treatment courses (21\u201328\u00a0days) were frequently required in patients with advanced HIV, reflecting persistent disease rather than established antiviral benefit. Tecovirimat was generally well tolerated, with mild adverse events reported in approximately 20%\u201325% of patients and no serious adverse events definitively attributed to therapy across the included studies. Overall, immunological status rather than HIV serostatus alone appeared to be the principal determinant of mpox severity and clinical outcomes, underscoring the importance of CD4\u2010guided management strategies and targeted resistance surveillance in immunocompromised populations.<\/jats:p>","DOI":"10.1002\/rmv.70152","type":"journal-article","created":{"date-parts":[[2026,4,17]],"date-time":"2026-04-17T12:13:53Z","timestamp":1776428033000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Mpox Clinical Outcomes in People With and Without HIV Treated With Tecovirimat: A Systematic Review"],"prefix":"10.1002","volume":"36","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7466-1037","authenticated-orcid":false,"given":"Santenna","family":"Chenchula","sequence":"first","affiliation":[{"name":"All India Institute of Medical Sciences  Bhopal 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