{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T15:12:33Z","timestamp":1787065953955,"version":"build-2736575974"},"reference-count":49,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2024,8,27]],"date-time":"2024-08-27T00:00:00Z","timestamp":1724716800000},"content-version":"vor","delay-in-days":26,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Cancer Reports"],"published-print":{"date-parts":[[2024,8]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background and Aim<\/jats:title>\n                    <jats:p>The German NPC\u2010GPOH trials introduced treatment including neoadjuvant chemotherapy, radiochemotherapy (RCT) and antiviral treatment in patients aged 25\u2009years or younger with nasopharyngeal cancer (NPC). We conducted a retrospective study on outcomes of patients at the age of \u226526\u2009years treated accordingly at our institution.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Consecutive patients who received primary RCT for NPC were included. The Kaplan\u2013Meier method was used to calculate survival probabilities, and the Cox regression analysis was used to test for an influence of the variables on outcomes. Acute and late toxicity were evaluated via CTCAE criteria and LENT\/SOMA criteria, respectively.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      In total, 30 patients were included. Diagnosis was made from 09\/1994 to 11\/2016. The median 5 year overall survival (OS), disease\u2010free survival (DFS), cancer\u2010specific survival (CSS) and locoregional recurrence\u2010free survival (LRC) were 75%, 56%, 83%, and 85%, respectively. We found a negative impact on outcomes (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u2009.05) in case of older age (OS), history of smoking (OS), and T4 stage\/ UICC stage IV (DFS). WHO histologic type significantly influenced outcomes, with best outcomes for type III and worst outcomes for type I. The rates of acute and late toxicities were acceptable.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>We found excellent outcomes and good feasibility of the NPC\u2010GPOH trials regimen in adult patients. Additionally, we identified patients with outcomes which need to be improved (smokers, histologic type I tumors) and with particularly excellent outcomes (histologic type III tumors). This stimulates further studies on treatment intensification or de\u2010escalation aiming at reduced side effects with optimal tumor control in NPC.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/cnr2.2111","type":"journal-article","created":{"date-parts":[[2024,8,27]],"date-time":"2024-08-27T22:39:02Z","timestamp":1724798342000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Multimodal treatment according to the\n                    <scp>NPC<\/scp>\n                    \u2010\n                    <scp>GPOH<\/scp>\n                    trials in adult patients with nasopharyngeal cancer\u2014Analysis based on a single\u2010center experience"],"prefix":"10.1002","volume":"7","author":[{"given":"Martin","family":"Leu","sequence":"first","affiliation":[{"name":"Department of Radiotherapy and Radiation Oncology University Medical Center G\u00f6ttingen  G\u00f6ttingen 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