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Induction chemoradiation therapy prior to esophagectomy is associated with superior long-term survival for esophageal cancer.

ABSTRACT: The purpose of this study was to examine the role of induction chemoradiation in the treatment of potentially resectable locally advanced (T2-3N0 and T1-3N+) esophageal cancer utilizing a large national database. The National Cancer Data Base (NCDB) was queried for all patients undergoing esophagectomy for clinical T2-3N0 and T1-3N+ esophageal cancer of the mid- or lower esophagus. Patients were stratified by the use of induction chemoradiation therapy versus surgery-first. Trends were assessed with the Cochran-Armitage test. Predictors of receiving induction therapy were evaluated with multivariable logistic regression. A propensity-matched analysis was conducted to compare outcomes between groups, and the Kaplan-Meier method was used to estimate long-term survival. Within the NCDB, 7921 patients were identified, of which 6103 (77.0%) were treated with chemoradiation prior to esophagectomy, while the remaining 1818 (23.0%) were managed with surgery-first. Use of induction therapy increased over time, with an absolute increase of 11.8% from 2003-2011 (P < 0.001). As revealed by the propensity model, induction therapy was associated with higher rates of negative margins and shorter hospital length of stay, but no differences in unplanned readmission and 30-day mortality rates. In unadjusted survival analysis, induction therapy was associated with better long-term survival compared to a strategy of surgery-first, with 5-year survival rates of 37.2% versus 28.6%, P < 0.001. Following propensity score matching analysis, the use of induction therapy maintained a significant survival advantage over surgery-first (5-year survival: 37.9% vs. 28.7%, P < 0.001). Treatment with induction chemoradiation therapy prior to surgical resection is associated with significant improvement in long-term survival, even after adjusting for confounders with a propensity model. Induction therapy should be considered in all medically appropriate patients with resectable cT2-3N0 and cT1-3N+ esophageal cancer, prior to esophagectomy.

SUBMITTER: Speicher PJ

PROVIDER: S-EPMC4362812 | biostudies-literature | 2015 Nov-Dec

REPOSITORIES: biostudies-literature

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Induction chemoradiation therapy prior to esophagectomy is associated with superior long-term survival for esophageal cancer.

Speicher P J PJ Wang X X Englum B R BR Ganapathi A M AM Yerokun B B Hartwig M G MG D'Amico T A TA Berry M F MF

Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus 20140912 8

The purpose of this study was to examine the role of induction chemoradiation in the treatment of potentially resectable locally advanced (T2-3N0 and T1-3N+) esophageal cancer utilizing a large national database. The National Cancer Data Base (NCDB) was queried for all patients undergoing esophagectomy for clinical T2-3N0 and T1-3N+ esophageal cancer of the mid- or lower esophagus. Patients were stratified by the use of induction chemoradiation therapy versus surgery-first. Trends were assessed ...[more]

PMID: 25212528

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Project description:IntroductionEsophagectomy is a key component in the curative treatment of esophageal cancer. Little is understood about the impact of smoking status on perioperative morbidity and mortality and the long-term outcome of patients following esophagectomy.ObjectiveThis study aimed to evaluate morbidity and mortality according to smoking status in patients undergoing esophagectomy for esophageal cancer.MethodsConsecutive patients undergoing two-stage transthoracic esophagectomy (TTE) for esophageal cancers (adenocarcinoma or squamous cell carcinoma) between January 1997 and December 2016 at the Northern Oesophagogastric Unit were included from a prospectively maintained database. The main explanatory variable was smoking status, defined as current smoker, ex-smoker, and non-smoker. The primary outcome was overall survival (OS), while secondary outcomes included perioperative complications (overall, anastomotic leaks, and pulmonary complications) and survival (cancer-specific survival [CSS], recurrence-free survival [RFS]).ResultsDuring the study period, 1168 patients underwent esophagectomy for cancer. Of these, 24% (n = 282) were current smokers and only 30% (n = 356) had never smoked. The median OS of current smokers was significantly shorter than ex-smokers and non-smokers (median 36 vs. 42 vs. 48 months; p = 0.015). However, on adjusted analysis, there was no significant difference in long-term OS between smoking status in the entire cohort. The overall complication rates were significantly higher with current smokers compared with ex-smokers or non-smokers (73% vs. 66% vs. 62%; p = 0.018), and there were no significant differences in anastomotic leaks and pulmonary complications between the groups. On subgroup analysis by receipt of neoadjuvant therapy and tumor histology, smoking status did not impact long-term survival in adjusted multivariable analyses.ConclusionAlthough smoking is associated with higher rates of short-term perioperative morbidity, it does not affect long-term OS, CSS, and RFS following esophagectomy for esophageal cancer. Therefore, implementation of perioperative pathways to optimize patients may help reduce the risk of complications.

Project description:BackgroundAlthough considered complex and challenging, esophagectomy remains the best potentially curable treatment option for resectable esophageal and esophagogastric junction (AEG) carcinomas. The optimal surgical approach and technique as well as the extent of lymphadenectomy, particularly regarding quality of life and short- and long-term outcomes, are still a matter of debate. To lower perioperative morbidity, we combined the advantages of a one-cavity approach with extended lymph node dissection (usually achieved by only a two-cavity approach) and developed a modified single-cavity transhiatal approach for esophagectomy.MethodsThe aim of this study was to evaluate the outcome of an extended transhiatal esophageal resection with radical bilateral mediastinal en bloc lymphadenectomy (eTHE). A prospective database of 166 patients with resectable cancers of the esophagus (including adenocarcinomas of the AEG types I and II) were analyzed. Patients were treated between 2001 and 2017 with eTHE at a tertiary care university center. Relevant patient characteristics and outcome parameters were collected and analyzed. The primary endpoint was 5-year overall survival. Secondary outcomes included short-term morbidity, mortality, radicalness of en bloc resection and oncologic efficacy.ResultsThe overall survival rates at 1, 3 and 5 years were 84, 70, and 61.0%, respectively. The in-hospital mortality rate after eTHE was 1.2%. Complications with a Clavien-Dindo score of III/IV occurred in 31 cases (18.6%). A total of 25 patients (15.1%) had a major pulmonary complication. The median hospital stay was 17 days (interquartile range (IQR) 12). Most patients (n = 144; 86.7%) received neoadjuvant treatment. The median number of lymph nodes resected was 25 (IQR 17). The R0 resection rate was 97%.ConclusionIn patients with esophageal cancer, eTHE without thoracotomy resulted in excellent long-term survival, an above average number of resected lymph nodes and an acceptable postoperative morbidity and mortality.

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Induction chemoradiation therapy prior to esophagectomy is associated with superior long-term survival for esophageal cancer.

Publications

Induction chemoradiation therapy prior to esophagectomy is associated with superior long-term survival for esophageal cancer.

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