{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,27]],"date-time":"2026-01-27T13:12:43Z","timestamp":1769519563300,"version":"3.49.0"},"reference-count":52,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2020,2,27]],"date-time":"2020-02-27T00:00:00Z","timestamp":1582761600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Int Forum Allergy Rhinol"],"published-print":{"date-parts":[[2020,5]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>Sinonasal undifferentiated carcinoma (SNUC) is an uncommon malignancy of the nasal cavity and accessory sinuses with limited available studies evaluating role of induction chemotherapy (IC), demographics, and socioeconomic factors on overall survival (OS).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>The 2004\u20102015 National Cancer Database was queried for patients with histologically confirmed SNUC. IC was defined as chemotherapy administered 6 months to 2 weeks before surgery or \u226545 days before radiotherapy.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Of 440 identified patients, 70 (16%) underwent treatments involving IC. This consisted of 52 (12%), 15 (3%), and 3 (1%) patients receiving IC before definitive radiation therapy, surgery and adjuvant radiotherapy, or surgery only, respectively. On univariate analysis, IC (<jats:italic>p<\/jats:italic> = 0.34) did not affect OS, whereas having government insurance (hazard ratio [HR], 1.79; 95% confidence interval [CI], 1.37\u20102.34; <jats:italic>p<\/jats:italic> &lt; 0.001) and living in regions with \u226513% of the population without a high school diploma (HR, 1.38; 95% CI, 1.06\u20101.79; <jats:italic>p<\/jats:italic> = 0.02) were associated with worse OS. On log\u2010rank test, patients with advanced stage had similar OS regardless of whether or not they received IC (<jats:italic>p<\/jats:italic> = 0.96). Patients who received IC lived closer to their treatment site (<jats:italic>p<\/jats:italic> = 0.02) and had worse overall health, with more comorbidities (<jats:italic>p<\/jats:italic> = 0.02). The timing of IC before definitive surgery or radiation did not affect OS (<jats:italic>p<\/jats:italic> = 0.69).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>In this SNUC population\u2010based analysis, IC did not appear to provide additional OS benefit regardless of disease stage or timing before definitive treatment. Distance to treatment and level of comorbidities may be associated with receiving IC, whereas type of insurance and residence education level may impact SNUC OS, regardless of treatment.<\/jats:p><\/jats:sec>","DOI":"10.1002\/alr.22536","type":"journal-article","created":{"date-parts":[[2020,2,27]],"date-time":"2020-02-27T11:17:30Z","timestamp":1582802250000},"page":"679-688","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["Impact of induction chemotherapy and socioeconomics on sinonasal undifferentiated carcinoma survival"],"prefix":"10.1002","volume":"10","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1003-5605","authenticated-orcid":false,"given":"Brandon M.","family":"Lehrich","sequence":"first","affiliation":[{"name":"Department of Otolaryngology\u2013Head and Neck Surgery University of California  Irvine 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