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Medline ® Abstract for Reference 60

of 'Systemic therapy for the initial management of advanced non-small cell lung cancer without a driver mutation'

60
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Maintenance bevacizumab-pemetrexed after first-line cisplatin-pemetrexed-bevacizumab for advanced nonsquamous nonsmall-cell lung cancer: updated survival analysis of the AVAPERL (MO22089) randomized phase III trial.
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Barlesi F, Scherpereel A, Gorbunova V, Gervais R, Vikström A, Chouaid C, Chella A, Kim JH, Ahn MJ, Reck M, Pazzola A, Kim HT, Aerts JG, Morando C, Loundou A, Groen HJ, Rittmeyer A
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Ann Oncol. 2014;25(5):1044. Epub 2014 Feb 27.
 
BACKGROUND: The randomized, phase III AVAPERL trial evaluated the safety and efficacy of bevacizumab maintenance with or without pemetrexed in nonsquamous nonsmall-cell lung cancer (nsNSCLC). Progression-free survival (PFS) was significantly prolonged with bevacizumab-pemetrexed, but overall survival (OS) data were immature. In this article, we report an independent, updated analysis of survival outcomes in AVAPERL.
PATIENTS AND METHODS: Patients with advanced nsNSCLC received first-line bevacizumab (7.5 mg/kg), cisplatin (75 mg/m(2)), and pemetrexed (500 mg/m(2)) every 3 weeks (q3w) for four cycles. Nonprogressing patients were randomized to maintenance bevacizumab (7.5 mg/kg) or bevacizumab-pemetrexed (500 mg/m(2)) q3w until progression or consent withdrawal. The primary end point of the trial was PFS; in this independent OS analysis, participating study centers were contacted to collect survival data on patients still alive at the time of the first analysis.
RESULTS: A total of 376 patients received induction treatment. Disease control was confirmed in 71.9% of patients; 253 patients were randomized to maintenance treatment with bevacizumab (n = 125) or bevacizumab-pemetrexed (n = 128). At a median follow-up of 14.8 months, patients allocated to bevacizumab-pemetrexed had significantly improved PFS versus those on bevacizumab when measured from randomization [7.4 versus 3.7 months, hazard ratio (HR), 0.57, 95% confidence interval (CI) 0.44-0.75); P<0.0001]. OS events occurred in 58% of all patients. OS was numerically longer with bevacizumab-pemetrexed versus bevacizumab when measured from randomization [17.1 versus 13.2 months, HR 0.87 (0.63-1.21); P = 0.29]. Second-line therapy was administered in 77% and 70% of patients in the bevacizumab and bevacizumab-pemetrexed arms, respectively. No new adverse events were reported during this updated analysis.
CONCLUSION: In an unselected population of nsNSCLC patients achieving disease control on platinum-based induction therapy, maintenance with bevacizumab-pemetrexed was associated with a nonsignificant increase in OS over bevacizumab alone.
AD
Multidisciplinary Oncology and Therapeutic Innovations Department&Centre Investigation Clinique, Aix Marseille University, Assistance Publique Hôpitaux de Marseille, INSERM CIC, Marseille.
PMID