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Clin Cancer Res ; 21(8): 1896-903, 2015 Apr 15.
Artículo en Inglés | MEDLINE | ID: mdl-25614446

RESUMEN

PURPOSE: The phase II prospective, noncomparative BRAIN study (NCT00800202) investigated efficacy and safety of bevacizumab in chemotherapy-naïve or pretreated patients with non-small cell lung cancer (NSCLC) and asymptomatic untreated brain metastases to provide data in this previously unexplored subgroup. EXPERIMENTAL DESIGN: Patients with stage IV nonsquamous NSCLC, Eastern Cooperative Oncology Group performance status 0-1, and untreated, asymptomatic brain metastases received first-line bevacizumab (15 mg/kg) plus carboplatin (area under the curve ×6) and paclitaxel (200 mg/m(2)) every 3 weeks (B + CP), or second-line bevacizumab plus erlotinib (150 mg/d; B + E). Six-month progression-free survival (PFS) was the primary endpoint. The trial could be stopped if there were more than three (B + CP) or more than two (B + E) intracranial hemorrhages. RESULTS: In first-line B + CP cohort (n = 67), 6-month PFS rate was 56.5% with a median PFS of 6.7 months [95% confidence interval (CI), 5.7-7.1] and median overall survival (OS) of 16.0 months. Investigator-assessed overall response rate (ORR) was 62.7%: 61.2% in intracranial lesions and 64.2% in extracranial lesions. Because of low enrolment (n = 24), efficacy results for the second-line B + E cohort were exploratory only; 6-month PFS rate was 57.2%, median PFS was 6.3 months (95% CI, 3.0-8.4), median OS was 12.0 months, and ORR was 12.5%. Adverse events were comparable with previous trials of bevacizumab. One grade 1 intracranial hemorrhage occurred and resolved without sequelae. CONCLUSIONS: The BRAIN study demonstrates encouraging efficacy and acceptable safety of bevacizumab with first-line paclitaxel and carboplatin in patients with NSCLC and asymptomatic, untreated brain metastases.


Asunto(s)
Antineoplásicos/uso terapéutico , Bevacizumab/uso terapéutico , Neoplasias Encefálicas/tratamiento farmacológico , Neoplasias Encefálicas/secundario , Carcinoma de Pulmón de Células no Pequeñas/tratamiento farmacológico , Carcinoma de Pulmón de Células no Pequeñas/patología , Neoplasias Pulmonares/tratamiento farmacológico , Neoplasias Pulmonares/patología , Adulto , Anciano , Inhibidores de la Angiogénesis/administración & dosificación , Inhibidores de la Angiogénesis/efectos adversos , Inhibidores de la Angiogénesis/uso terapéutico , Antineoplásicos/administración & dosificación , Antineoplásicos/efectos adversos , Bevacizumab/administración & dosificación , Bevacizumab/efectos adversos , Neoplasias Encefálicas/mortalidad , Carcinoma de Pulmón de Células no Pequeñas/mortalidad , Femenino , Humanos , Estimación de Kaplan-Meier , Neoplasias Pulmonares/mortalidad , Masculino , Persona de Mediana Edad , Metástasis de la Neoplasia , Recurrencia Local de Neoplasia , Estadificación de Neoplasias , Retratamiento , Resultado del Tratamiento
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