{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T20:18:37Z","timestamp":1788466717754,"version":"build-2803163510"},"reference-count":24,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2026,2,12]],"date-time":"2026-02-12T00:00:00Z","timestamp":1770854400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,2,12]],"date-time":"2026-02-12T00:00:00Z","timestamp":1770854400000},"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":["Photoderm Photoimm Photomed"],"published-print":{"date-parts":[[2026,3]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Narrowband ultraviolet B (NB\u2010UVB) phototherapy is a well\u2010established, safe, and effective treatment for pediatric psoriasis; however, relapse after therapy remains a major challenge. Data regarding prognostic factors influencing remission durability in children are limited.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To evaluate treatment response, relapse patterns, and predictors of relapse\u2010free duration in pediatric psoriasis patients treated with NB\u2010UVB phototherapy, with a particular focus on concomitant topical corticosteroid and calcipotriol use, and clinical features such as nail involvement.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This multicenter retrospective study included 114 pediatric psoriasis patients treated with NB\u2010UVB across six tertiary dermatology centers in T\u00fcrkiye. Treatment response was defined as \u2265\u200975% improvement in the Psoriasis Area and Severity Index (PASI75). Relapse was defined as clinically significant recurrence requiring renewed NB\u2010UVB or systemic therapy within 6\u2009months after treatment completion. Multivariable linear regression identified independent predictors of relapse\u2010free duration.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Of 114 patients (mean age 12.2\u2009\u00b1\u20093.6\u2009years; 52.6% male), 65.8% achieved PASI75 and 42.1% PASI90. Responders received significantly higher cumulative doses and more sessions than nonresponders (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001). Relapse occurred in 24.0% of responders within 6\u2009months. In multivariate analysis, concomitant topical corticosteroid use independently predicted longer relapse\u2010free duration (\n                      <jats:italic>\u03b2<\/jats:italic>\n                      \u2009=\u20090.578,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.001), whereas nail involvement predicted shorter remission (\n                      <jats:italic>\u03b2<\/jats:italic>\n                      \u2009=\u2009\u22120.520,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.002). Topical calcipotriol and disease subtype were not significant predictors. NB\u2010UVB was well tolerated, with mild erythema and pruritus as the most frequent adverse events (16.7%).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>NB\u2010UVB phototherapy provides high efficacy and an acceptable safety profile in pediatric psoriasis. Concomitant topical corticosteroid use may prolong remission, while nail involvement identifies patients at higher relapse risk, supporting closer monitoring and individualized follow\u2010up and maintenance strategies.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/phpp.70076","type":"journal-article","created":{"date-parts":[[2026,2,12]],"date-time":"2026-02-12T19:43:42Z","timestamp":1770925422000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Real\u2010World Predictors of Relapse\u2010Free Duration After Narrowband\n                    <scp>UVB<\/scp>\n                    in Pediatric Psoriasis: A Multicenter Study"],"prefix":"10.1111","volume":"42","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1683-2421","authenticated-orcid":false,"given":"Berna","family":"Solak","sequence":"first","affiliation":[{"name":"Department of Dermatology Faculty of Medicine, Sakarya University  Sakarya T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5140-1926","authenticated-orcid":false,"given":"Burhan","family":"Engin","sequence":"additional","affiliation":[{"name":"Department of Dermatology Cerrahpa\u015fa Medical Faculty, \u0130stanbul University\u2010Cerrahpa\u015fa  \u0130stanbul T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-9038-2314","authenticated-orcid":false,"given":"Zeynep","family":"G\u00fcng\u00f6r","sequence":"additional","affiliation":[{"name":"Department of Dermatology Sakarya Training and Research Hospital  Sakarya T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-3749-2658","authenticated-orcid":false,"given":"\u00d6mer Faruk","family":"Tolun","sequence":"additional","affiliation":[{"name":"Department of Dermatology Cerrahpa\u015fa Medical Faculty, \u0130stanbul University\u2010Cerrahpa\u015fa  \u0130stanbul T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4357-6646","authenticated-orcid":false,"given":"Zafer","family":"T\u00fcrko\u011flu","sequence":"additional","affiliation":[{"name":"Department of Dermatology Health Sciences University, Ba\u015fak\u015fehir \u00c7am and Sakura City Hospital  \u0130stanbul T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0002-0246-2463","authenticated-orcid":false,"given":"Dilay","family":"Ba\u015ftu\u011f","sequence":"additional","affiliation":[{"name":"Department of Dermatology Health Sciences University, Ba\u015fak\u015fehir \u00c7am and Sakura City Hospital  \u0130stanbul T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1221-907X","authenticated-orcid":false,"given":"Harbiye Dilek","family":"Canat","sequence":"additional","affiliation":[{"name":"Department of Dermatology Health Sciences University, Ba\u015fak\u015fehir \u00c7am and Sakura City Hospital  \u0130stanbul T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2847-9127","authenticated-orcid":false,"given":"Tubanur","family":"\u00c7etinarslan","sequence":"additional","affiliation":[{"name":"Department of Dermatology Faculty of Medicine, Manisa Celal Bayar University  Manisa T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7720-5491","authenticated-orcid":false,"given":"Aylin T\u00fcrel","family":"Ermertcan","sequence":"additional","affiliation":[{"name":"Department of Dermatology Faculty of Medicine, Manisa Celal Bayar University  Manisa 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