ArticleCancers2025
The Impact of Demographic and Clinico-Pathological Characteristics on Recurrence-Free Survival in Nasopharyngeal Carcinoma.
Article in Cancers, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors.
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Abstract
backgroundNasopharyngeal carcinoma (NPC) is an uncommon malignancy with a distinct geographical distribution. However, data from non-endemic areas are limited. This study aims to evaluate oncological outcomes and identify prognostic factors in a large cohort of non-metastatic NPC patients treated at a tertiary center in Israel.
methodsThis single-institution, retrospective study included 181 patients diagnosed with non-metastatic NPC and treated with radiotherapy between 2005 and 2022. Data were collected from electronic medical records and included demographics, disease characteristics, treatment details, and outcomes. Recurrence-free survival (RFS) and overall survival (OS) were estimated using Kaplan-Meier analysis. Cox proportional hazards models were used to assess prognostic factors.
resultsThe median follow-up was 57 months. The cohort was predominantly male (82%), with a mean age of 51.7 years. Most patients had non-keratinizing histology, 75%presented with stage III-IV disease, and 86% received concurrent chemoradiotherapy. Induction chemotherapy was administered to 71%, though only 6.5% received the full three-cycle regimen. Nearly 90% were treated using modern radiotherapy techniques (VMAT), and 75% received concurrent chemotherapy. The 3-year RFS and OS were 82.6% and 91.2%, respectively; the 5-year RFS and OS were 77.7% and 84.7%. Age threshold analysis demonstrated that younger age predicted improved RFS (HR range, 3-5;
conclusionsIn this non-endemic cohort, favorable oncologic outcomes were observed. The age at diagnosis is a key prognostic factor. The higher incidence, younger age and better outcomes among the Bedouin ethnicity warrant further investigation calling for improved risk stratification and personalized treatment strategies.
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