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PURPOSEDespite the advances in the approach to non–small-cell lung cancer (NSCLC) with CNS metastasis, access to timely diagnosis and treatment may not be optimal in many instances. Our main objective was to describe a cohort of patients with NSCLC with brain metastases from public and private cancer centers, and the differences between patients' presentation, treatment, and outcomes.METHODSGBOT-LACOG 0417 is a multi-institutional retrospective cohort study of patients diagnosed with NSCLC and CNS metastasis in Brazil. All patients had confirmed diagnosis of NSCLC between January 2010 and December 2015. CNS metastases were identified by imaging.RESULTSA total of 273 patients were included. Patients treated at public institutions were more often Black or Brown (38.8% v 15.4%), current or former smoker (88.6% v 60.0%), of squamous cell histology (25.0% v 9.1%), EGFR- and ALK-negative (95.9% v 74.9%), and were less frequently assessed by using brain magnetic resonance imaging (38.8% v 83.6%). At public institutions, patients were more often symptomatic (78.1% v 44.6%) and had worse performance status (Eastern Cooperative Oncology Group 2 or higher 61.5% v 10.3%). CNS metastases were larger (median size 25 v 15 mm) and more often surrounded by edema (67.7% v 55.2%) at public institutions. Patients at public institutions were more frequently treated with whole-brain radiation therapy (72.9% v 45.4%) and less frequently with radiosurgery (6.3% v 24.1%). Among patients from private care, median overall survival was 24.2 months (95% CI, 20.0 to 30.6), significantly higher than in public care (median 12.1 months; 95% CI, 6.7 to 13.6; P < .001).CONCLUSIONOur results demonstrate the discrepancy between public and private health care system in the critical setting of patients with CNS metastasis from NSCLC.
JCO: Global Oncology – Wolters Kluwer Health
Published: Apr 25, 2022
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