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- W4308731907 abstract "PURPOSE Stereotactic body radiation therapy (SBRT) is an effective option for patients with both early-stage and oligometastatic non–small-cell lung cancer (NSCLC). However, data from Latin America are limited. Therefore, the aim of this study was to investigate the real-world outcomes of applying SBRT for lung lesions in a Brazilian institution. METHODS This study investigated a consecutive cohort of patients treated with SBRT for lung lesions (primary and metastasis). The study primary outcome was local control rates per lesion. Secondary outcomes included progression-free survival (PFS), overall survival (OS), and toxicity. RESULTS Between 2015 and 2019, a total of 216 patients received SBRT and were included in the study. The median follow-up was 24.5 months (5-70), primary NSCLC corresponded to 70% (n = 151) and nonprimary lung lesions to 30% (n = 65), respectively. Stage I NSCLC represented 56% (85 of 151) of the NSCLC cohort. The average number of fractions and total dose prescribed was 5 (3-10)/59 Gy (50-62 Gy). For stage I NSCLC (all lesions treated with a biologically effective dose [10] > 100 Gy), 2-year local control, OS, and PFS were 93.4%, 81.6%, and 80.7%, respectively. For stage IV lesions, if biologically effective dose (10) > 100 Gy or < 100 Gy, 2-year local control was 95.8/86.4% ( P = .03), 2-year-OS was 81.6/60.5% ( P = .006), and 2-year PFS was 38.9/17.9% ( P = .10). Late toxicity was observed in 16.2% (n = 35) of the total cases. CONCLUSION Our results indicate that SBRT is effective (high local control and acceptable toxicity) for treating malignant lung lesions in a real-world scenario in Latin America." @default.
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- W4308731907 date "2022-11-01" @default.
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- W4308731907 title "Real-World Evidence of Health Outcomes Related to Lung Stereotactic Body Radiation Therapy in Brazil" @default.
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- W4308731907 doi "https://doi.org/10.1200/go.22.00061" @default.
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