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Abstract
Objective: The aim of this study was to evaluate efficacy and safety of first-line treatment with bevacizumab, cisplatin and vinorelbine and bevacizumab maintenance in non-squamous, non-small cell lung cancer (NSCLC).
Research design and methods: Forty-nine patients with stage IIIB plus pleural effusion or stage IV NSCLC were included in a Phase II clinical trial. Treatment consisted of 3-week cycles of bevacizumab (15 mg/kg on day 1), cisplatin (80 mg/m2 on day 1) and vinorelbine (25 mg/m2 on days 1 and 8). After 6 cycles, non-progressing patients received bevacizumab maintenance therapy. The primary end point was progression-free survival (PFS), calculated using the Kaplan–Meier method.
Results: Thirteen (29%) of 45 evaluable patients presented a partial response. PFS and overall survival were 6.0 months (95% confidence interval (CI) 4.5 – 7.5) and 14.7 months (95% CI 8.4 – 21), respectively. Fourteen patients (28%) experienced grade 3 – 4 neutropenia and 7 (14%) experienced febrile neutropenia during the combination treatment. During the maintenance phase, the most frequent grade 3 – 4 adverse event was hypertension. Neither grade 3 – 4 thrombocytopenia nor toxic death was observed.
Conclusions: The studied regimen achieved a similar efficacy to other regimens containing platinum doublets. The data provide further evidence that bevacizumab may be used in combination with multiple standard platinum-based doublets in this setting.
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Acknowledgements
The authors would like to thank M Mas (Trial Form Support) for assistance in manuscript preparation and editorial assistance.