{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T21:23:45Z","timestamp":1792790625388,"version":"4.5.0"},"reference-count":112,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2026,4,9]],"date-time":"2026-04-09T00:00:00Z","timestamp":1775692800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Boehringer Ingelheim"},{"id":[{"id":"https:\/\/ror.org\/00px03f62","id-type":"ROR","asserted-by":"publisher"}]},{"name":"MSD Animal Health"},{"name":"Vetoquinol and Virbac"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Viruses"],"abstract":"<jats:p>Feline infectious peritonitis (FIP) is a disease arising as a result of feline coronavirus infection. It used to be regarded a fatal disease, with euthanasia commonly recommended following diagnosis due to its very poor prognosis. The availability of effective antiviral therapies, particularly nucleoside analogues such as oral GS-441524, has fundamentally changed the outlook for cats with FIP. FIP is now a treatable and frequently curable disease. In these revised guidelines, the European Advisory Board on Cat Diseases (ABCD) presents an update on the treatment of FIP, incorporating the findings of new studies including the range of available treatments (such as GS-441524, remdesivir and molnupiravir (EIDD-2801) and its active metabolite EIDD-1931), which varies globally, as well as suggestions for monitoring and prognostic indicators. Tables are used to present easy-to-find information on antiviral and supportive treatments for cats with FIP. GS-441524 is the most extensively studied antiviral for FIP with treatment success rates often exceeding 90%. Remdesivir is primarily reserved as an injectable antiviral for severely affected cats unable to tolerate oral medication; it is usually replaced by oral medication as soon as, and when, possible. Although 84-day treatment courses have historically been used, emerging evidence suggests that shorter regimens of 42 days can be equally effective.<\/jats:p>","DOI":"10.3390\/v18040452","type":"journal-article","created":{"date-parts":[[2026,4,9]],"date-time":"2026-04-09T07:48:07Z","timestamp":1775720887000},"page":"452","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Update on Treatment of Feline Infectious Peritonitis: European Advisory Board on Cat Diseases (ABCD) Guidelines"],"prefix":"10.3390","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4059-1402","authenticated-orcid":false,"given":"S\u00e9verine","family":"Tasker","sequence":"first","affiliation":[{"name":"Bristol Veterinary School, University of Bristol, Bristol BS40 5DU, UK"},{"name":"International Cat Care, Tisbury, Salisbury SP3 6HJ, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9009-8256","authenticated-orcid":false,"given":"Andrea M.","family":"Spiri","sequence":"additional","affiliation":[{"name":"Clinical Laboratory, Department of Clinical Diagnostics and Services, Vetsuisse Faculty, University of Zurich, 8057 Zurich, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5256-863X","authenticated-orcid":false,"given":"Katrin","family":"Hartmann","sequence":"additional","affiliation":[{"name":"LMU Small Animal Clinic, Centre for Clinical Veterinary Medicine, LMU Munich, 80539 Munich, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7843-2661","authenticated-orcid":false,"given":"Diane D.","family":"Addie","sequence":"additional","affiliation":[{"name":"Independent Researcher, 64000 Pyr\u00e9n\u00e9es Atlantique, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2486-268X","authenticated-orcid":false,"given":"S\u00e1ndor","family":"Bel\u00e1k","sequence":"additional","affiliation":[{"name":"Department of Animal Biosciences, Swedish University of Agricultural Sciences, SLU, Box 7023, S-750 07 Uppsala, Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mich\u00e8le","family":"Bergmann","sequence":"additional","affiliation":[{"name":"LMU Small Animal Clinic, Centre for Clinical Veterinary Medicine, LMU Munich, 80539 Munich, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6852-5936","authenticated-orcid":false,"given":"Herman","family":"Egberink","sequence":"additional","affiliation":[{"name":"Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, University of Utrecht, 3584 CL Utrecht, The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9160-1455","authenticated-orcid":false,"given":"Tadeusz","family":"Frymus","sequence":"additional","affiliation":[{"name":"Department of Small Animal Diseases with Clinic, Institute of Veterinary Medicine, Warsaw University of Life Sciences\u2014SGGW, 02-787 Warsaw, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9750-4296","authenticated-orcid":false,"given":"Regina","family":"Hofmann-Lehmann","sequence":"additional","affiliation":[{"name":"Clinical Laboratory, Department of Clinical Diagnostics and Services, Vetsuisse Faculty, University of Zurich, 8057 Zurich, Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9552-1199","authenticated-orcid":false,"given":"Fulvio","family":"Marsilio","sequence":"additional","affiliation":[{"name":"Faculty of Veterinary Medicine, Universit\u00e0 degli Studi di Teramo, 64100 Teramo, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3169-4194","authenticated-orcid":false,"given":"Maria Grazia","family":"Pennisi","sequence":"additional","affiliation":[{"name":"Retired from Department of Veterinary Sciences, University of Messina, 98100 Messina, Italy"},{"name":"I Periodeuti ASC, 89122 Reggio Calabria, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9585-7933","authenticated-orcid":false,"given":"Etienne","family":"Thiry","sequence":"additional","affiliation":[{"name":"Department of Infectious and Parasitic Diseases, FARAH Research Centre, Faculty of Veterinary Medicine, Li\u00e8ge University, B-4000 Li\u00e8ge, Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Uwe","family":"Truyen","sequence":"additional","affiliation":[{"name":"Institute of Animal Hygiene and Veterinary Public Health, University of Leipzig, 04103 Leipzig, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Corine","family":"Boucraut-Baralon","sequence":"additional","affiliation":[{"name":"Antech Laboratories, 31770 Colomiers, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karin","family":"M\u00f6stl","sequence":"additional","affiliation":[{"name":"Retired from the Centre of Pathobiology, University of Veterinary Medicine, 1210 Vienna, Austria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4313-5023","authenticated-orcid":false,"given":"Margaret J.","family":"Hosie","sequence":"additional","affiliation":[{"name":"MRC-University of Glasgow Centre for Virus Research, Glasgow G61 1QH, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,4,9]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"594","DOI":"10.1016\/j.jfms.2009.05.008","article-title":"Feline infectious peritonitis. 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