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P1.16 - Treatment of Early Stage/Localized Disease (Not CME Accredited Session) (ID 948)
- Event: WCLC 2018
- Type: Poster Viewing in the Exhibit Hall
- Presentations: 1
- Coordinates: 9/24/2018, 16:45 - 18:00, Exhibit Hall
P1.16-20 - A Systematic Review and Meta-Analysis of Stereotactic Body Radiation Therapy Versus Surgery for Patients with Non-Small Cell Lung Cancer (ID 11835)
16:45 - 18:00 | Presenting Author(s): Christopher Cao
Stereotactic body radiation therapy (SBRT) is the preferred treatment modality for patients with inoperable early-stage NSCLC. However, comparative outcomes of SBRT versus surgery for high-risk patients remain controversial. The primary aim of the present meta-analysis was to assess the overall survival of SBRT versus surgery in matched and unmatched patient cohorts. Secondary endpoints included cancer-specific survival, disease-free survival, disease recurrence, and perioperative outcomes.a9ded1e5ce5d75814730bb4caaf49419 Method
A systematic review was performed through online databases using predefined criteria. The most updated studies were selected for meta-analysis according to unmatched and matched patient cohorts.4c3880bb027f159e801041b1021e88e8 Result
Thirty-two studies were identified in the systematic review. Surgery was associated with superior overall survival in both unmatched (OR 2.49, 95% CI 2.10–2.94, p<0.00001) and matched (OR 1.71, 95% CI 1.52–1.93, p<0.00001) cohorts. Cancer-specific survival, disease-free survival, and freedom from locoregional recurrence were found to be superior after surgery compared to SBRT, in both unmatched and matched cohorts. However, SBRT was associated with fewer perioperative mortalities.
Current evidence suggests that surgery is superior to SBRT in mid- and long-term clinical outcomes. However, improved outcomes after surgery may at least be in part due to an imbalance of baseline characteristics. Mortality outcomes for SBRT were also more favorable in the perioperative period.6f8b794f3246b0c1e1780bb4d4d5dc53
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