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Thermal Ablation for the Treatment of Abdominal Tumors
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Ablation Therapy for Advanced Stage Non-Small Cell Lung Cancer: A National Cancer Database Study.

Kasey Halsey1, Jing Wu2, Chang Su3

  • 1Department of Diagnostic Imaging, Rhode Island Hospital, Providence, Rhode Island; Warren Alpert Medical School of Brown University, Providence, Rhode Island.

Journal of Vascular and Interventional Radiology : JVIR
|May 29, 2020
PubMed
Summary
This summary is machine-generated.

Ablation may improve overall survival (OS) for advanced non-small cell lung cancer patients compared to no treatment. This study found a survival benefit for ablation in late-stage lung cancer patients.

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Area of Science:

  • Oncology
  • Thoracic Surgery

Background:

  • Advanced stage non-small cell lung cancer (NSCLC) presents significant treatment challenges.
  • Optimizing survival for stage IIIB and IV NSCLC remains a critical clinical goal.

Purpose of the Study:

  • To compare overall survival (OS) between ablation and no treatment in advanced stage non-small cell lung cancer patients.
  • To evaluate the efficacy of ablation as a primary treatment modality in this patient population.

Main Methods:

  • Retrospective analysis of 140,819 patients with stage IIIB/IV NSCLC from the National Cancer Data Base (2004-2014).
  • Comparison of overall survival using Kaplan-Meier, log-rank test, Cox regression, and propensity score-matched analysis.
  • Relative survival analysis was performed against age- and sex-matched US populations.

Main Results:

  • Ablation (n=249) was associated with longer median OS (5.9 vs 4.7 months) compared to no treatment (n=140,570) after propensity score matching (249 vs 498 patients).
  • The hazard ratio for OS favored ablation (0.844; 95% CI, 0.719-0.990; P=.037).
  • Survival benefit with ablation was observed particularly in patients with initial tumor size ≤3 cm.

Conclusions:

  • Ablation may offer a survival advantage for patients with advanced non-small cell lung cancer compared to receiving no treatment.
  • These preliminary findings support further investigation into ablation's role in managing late-stage NSCLC.