{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T19:03:27Z","timestamp":1792782207430,"version":"4.5.0"},"reference-count":47,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2016,3,23]],"date-time":"2016-03-23T00:00:00Z","timestamp":1458691200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA)"},{"name":"Pharmaceutical companies, currently AbbVie, Amgen, Bristol-Myers Squibb, Celgene, Janssen, Eli Lilly, Novartis, Pfizer, and UCB, with Covagen and Crescendo as Innovation Partners"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Arthritis &amp; Rheumatology"],"published-print":{"date-parts":[[2016,5]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To update the 2009 Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA) treatment recommendations for the spectrum of manifestations affecting patients with psoriatic arthritis (PsA).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>GRAPPA rheumatologists, dermatologists, and PsA patients drafted overarching principles for the management of PsA, based on consensus achieved at face\u2010to\u2010face meetings and via online surveys. We conducted literature reviews regarding treatment for the key domains of PsA (arthritis, spondylitis, enthesitis, dactylitis, skin disease, and nail disease) and convened a new group to identify pertinent comorbidities and their effect on treatment. Finally, we drafted treatment recommendations for each of the clinical manifestations and assessed the level of agreement for the overarching principles and treatment recommendations among GRAPPA members, using an online questionnaire.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Six overarching principles had \u226580% agreement among both health care professionals (n\u2009=\u2009135) and patient research partners (n\u2009=\u200910). We developed treatment recommendations and a schema incorporating these principles for arthritis, spondylitis, enthesitis, dactylitis, skin disease, nail disease, and comorbidities in the setting of PsA, using the Grading of Recommendations, Assessment, Development and Evaluation process. Agreement of &gt;80% was reached for approval of the individual recommendations and the overall schema.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>We present overarching principles and updated treatment recommendations for the key manifestations of PsA, including related comorbidities, based on a literature review and consensus of GRAPPA members (rheumatologists, dermatologists, other health care providers, and patient research partners). Further updates are anticipated as the therapeutic landscape in PsA evolves.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/art.39573","type":"journal-article","created":{"date-parts":[[2016,1,10]],"date-time":"2016-01-10T12:36:02Z","timestamp":1452429362000},"page":"1060-1071","source":"Crossref","is-referenced-by-count":750,"title":["Group for Research and Assessment of Psoriasis and Psoriatic Arthritis 2015 Treatment Recommendations for Psoriatic Arthritis"],"prefix":"10.1002","volume":"68","author":[{"given":"Laura C.","family":"Coates","sequence":"first","affiliation":[{"name":"Leeds Institute of Rheumatic and Musculoskeletal Medicine and University of Leeds Leeds UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Arthur","family":"Kavanaugh","sequence":"additional","affiliation":[{"name":"University of California at San Diego"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Philip J.","family":"Mease","sequence":"additional","affiliation":[{"name":"Swedish Medical Center and University of Washington School of Medicine Seattle, Washington"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Enrique R.","family":"Soriano","sequence":"additional","affiliation":[{"name":"Hospital Italiano de Buenos Aires Buenos Aires Argentina"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maria","family":"Laura Acosta\u2010Felquer","sequence":"additional","affiliation":[{"name":"Hospital Italiano de Buenos Aires Buenos Aires Argentina"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"April W.","family":"Armstrong","sequence":"additional","affiliation":[{"name":"University of Southern California, Keck School of Medicine Los Angeles"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wilson","family":"Bautista\u2010Molano","sequence":"additional","affiliation":[{"name":"Hospital Militar Central and Universidad Militar Nueva Grenada Bogot\u00e1 Colombia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wolf\u2010Henning","family":"Boehncke","sequence":"additional","affiliation":[{"name":"Geneva University Hospital Geneva Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Willemina","family":"Campbell","sequence":"additional","affiliation":[{"name":"Toronto Western Hospital Toronto Ontario Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alberto","family":"Cauli","sequence":"additional","affiliation":[{"name":"University of Cagliari, Monserrato Campus Cagliari Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luis R.","family":"Espinoza","sequence":"additional","affiliation":[{"name":"Louisiana State University Health Sciences Center New Orleans"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Oliver","family":"FitzGerald","sequence":"additional","affiliation":[{"name":"St. Vincent's University Hospital, The Conway Institute for Biomolecular Research, and University College Dublin Dublin Ireland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dafna D.","family":"Gladman","sequence":"additional","affiliation":[{"name":"University of Toronto and Toronto Western Research Institute Toronto Ontario Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alice","family":"Gottlieb","sequence":"additional","affiliation":[{"name":"Tufts Medical Center Boston Massachusetts"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Philip S.","family":"Helliwell","sequence":"additional","affiliation":[{"name":"Leeds Institute of Rheumatic and Musculoskeletal Medicine and University of Leeds, Leeds, UK, and Bradford Hospitals NHS Foundation Trust Bradford UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M. 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