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Clin Lung Cancer ; 20(1): e53-e61, 2019 01.
Artículo en Inglés | MEDLINE | ID: mdl-30348595

RESUMEN

BACKGROUND: Stereotactic ablative body radiation therapy (SBRT) has evolved as the standard treatment for patients with inoperable stage I non-small-cell lung cancer (NSCLC). We report the results of a retrospective analysis conducted on a large, well-controlled cohort of patients with stage I to II NSCLC who underwent lobectomy (LOB) or SBRT. MATERIALS AND METHODS: One hundred eighty-seven patients with clinical-stage T1a-T2bNoMO NSCLC were treated in 2 academic hospitals between August 2008 and May 2015. Patients underwent LOB or SBRT; those undergoing SBRT were sub-classified as surgical candidates and nonsurgical candidates, according to the presence of surgical contraindications or comorbidities. RESULTS: In univariate analysis, no significant difference was found in local control between patients who underwent SBRT and LOB, with a trend in favor of surgery (hazard ratio [HR], 0.27; 95% confidence interval [CI], 0.07-1.01; P < .053). Univariate analysis showed that overall survival (OS) was significantly better in patients who underwent LOB (HR, 0.44; 95% CI, 0.23-0.85) with a 3-year OS of 73.4% versus 65.2% for surgery and radiation therapy patients, respectively (P < .01). However, no difference in OS was observed between operable patients undergoing SBRT and patients who underwent LOB (HR, 1.68; 95% CI, 0.72-3.90). Progression-free survival was comparable between patients who underwent LOB and SBRT (HR, 0.61; P = .09). CONCLUSION: SBRT is a valid therapeutic approach in early-stage NSCLC. Furthermore, SBRT seems to be very well-tolerated and might lead to the same optimal locoregional control provided by surgery for patients with either operable or inoperable early-stage NSCLC.


Asunto(s)
Carcinoma de Pulmón de Células no Pequeñas/radioterapia , Neoplasias Pulmonares/radioterapia , Neumonectomía , Radiocirugia , Anciano , Anciano de 80 o más Años , Carcinoma de Pulmón de Células no Pequeñas/mortalidad , Carcinoma de Pulmón de Células no Pequeñas/cirugía , Estudios de Cohortes , Combinación de Medicamentos , Estradiol/análogos & derivados , Femenino , Humanos , Neoplasias Pulmonares/mortalidad , Neoplasias Pulmonares/cirugía , Masculino , Persona de Mediana Edad , Estadificación de Neoplasias , Noretindrona , Estudios Retrospectivos , Análisis de Supervivencia , Testosterona/análogos & derivados
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