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Outcomes of Adding Induction Chemotherapy to Concurrent Chemotherapy for Nasopharyngeal Carcinoma Patients with Moderate-Risk in the Intensity-Modulated Radiotherapy Era.

ABSTRACT: Background:The aim of this study was to evaluate the efficacy of induction chemotherapy (IC) in nasopharyngeal carcinoma (NPC) patients with moderate-risk treated with intensity-modulated radiotherapy (IMRT). Methods:We retrospectively assessed 506 patients with T1-2N1M0 or T3-4N0-1M0 NPC (according to the 2010 UICC/AJCC staging system) who received concurrent chemoradiotherapy (CCRT) with or without IC at a single center in China between 2005 and 2010. Survival outcomes were compared between the IC + CCRT and CCRT groups using the Kaplan-Meier method, Log-rank test and a Cox regression model. Results:Among the 506 patients, CCRT alone resulted in equivalent overall survival (86.8% vs 88.5%, p=0.661), progression-free survival (79.6% vs 79.6%, p=0.756), locoregional relapse-free survival (90.2% vs 87.0%, p=0.364) and distant metastasis-free survival (88.0% vs 89.8%, p=0.407) to IC plus CCRT. In multivariate analysis, IC did not lower the risk of death (HR 0.76, 95% CI 0.46-1.25, p=0.278), progression (HR 0.78, 95% CI 0.51-1.19, p=0.244), locoregional relapse (HR 1.06, 95% CI 0.81-1.42, p=0.651) or distant metastasis (HR 0.66, 95% CI 0.38-1.15, p=0.140) in the entire cohort; similar results were obtained in stratified analysis based on N category (N0 vs N1) and EBV DNA (< vs ?4000 copies/mL). Conclusion:Addition of IC to CCRT does not improve survival outcomes in moderate-risk NPC; the use of IC should be carefully considered in these patients, though additional prospective trials are warranted to confirm the conclusions of this study.

SUBMITTER: Su Z

PROVIDER: S-EPMC7130107 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Outcomes of Adding Induction Chemotherapy to Concurrent Chemotherapy for Nasopharyngeal Carcinoma Patients with Moderate-Risk in the Intensity-Modulated Radiotherapy Era.

Su Zhen Z Zou Guo-Rong GR Tang Jie J Li Xiu Yue XY Xie Fang-Yun FY

Therapeutics and clinical risk management 20200326

<h4>Background</h4>The aim of this study was to evaluate the efficacy of induction chemotherapy (IC) in nasopharyngeal carcinoma (NPC) patients with moderate-risk treated with intensity-modulated radiotherapy (IMRT).<h4>Methods</h4>We retrospectively assessed 506 patients with T1-2N1M0 or T3-4N0-1M0 NPC (according to the 2010 UICC/AJCC staging system) who received concurrent chemoradiotherapy (CCRT) with or without IC at a single center in China between 2005 and 2010. Survival outcomes were comp ...[more]

PMID: 32280230

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Project description:BackgroundThe literature regarding pericardial effusion after definitive concurrent chemotherapy and intensity modulated radiotherapy (IMRT) for esophageal cancer was lacking. This study aimed to investigate the risk factors of pericardial effusion in esophageal cancer patients undergoing definitive concurrent chemotherapy and IMRT.MethodsA total of 126 consecutive esophageal cancer patients treated with definitive concurrent chemotherapy and IMRT between 2008 and 2018 were reviewed. The pericardial effusion was determined on computed tomography scan of the chest and graded by the Common Terminology Criteria for Adverse Events, version 4.0. The cumulative incidence of pericardial effusion was estimated by the Kaplan-Meier method and compared between groups by the log-rank test. The risk factors of pericardial effusion were determined with multivariate Cox proportional hazards regression analysis.ResultsThe median follow-up time was 14.0?months. Thirty-seven (29.4%) patients had pericardial effusion after a median interval of 6.6?months since the end of IMRT. The cumulative incidence of pericardial effusion of any grade was higher in patients with mean heart dose >?23.45?Gy (p?=?0.00018), heart V30?>?33.55% (p?=?0.00015), mean pericardium dose >?20.33?Gy (p?=?0.00027), and pericardium V20?>?42.55% (p?=?0.00018). Furthermore, eight (6.3%) patients had symptoms related to pericardial effusion and were considered as cases with pericardial effusion ? grade 3. The cumulative incidence of pericardial effusion ? grade 3 was higher in patients with pericardium V30?>?65.80% (p?=?0.00028), V40?>?55.35% (p?<?0.0001), and V60?>?24.70% (p?=?0.0021). Multivariate analyses showed the above dose-volume parameters predicted the risk of pericardial effusion in esophageal cancer.ConclusionsDose-volume parameters predicting the risk of pericardial effusion were identified in esophageal cancer treated with definitive concurrent chemotherapy and IMRT. They could be applied as constraints of IMRT for esophageal cancer.

Dataset Information

Outcomes of Adding Induction Chemotherapy to Concurrent Chemotherapy for Nasopharyngeal Carcinoma Patients with Moderate-Risk in the Intensity-Modulated Radiotherapy Era.

Publications

Outcomes of Adding Induction Chemotherapy to Concurrent Chemotherapy for Nasopharyngeal Carcinoma Patients with Moderate-Risk in the Intensity-Modulated Radiotherapy Era.

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