An individual patient-data meta-analysis of metronomic oral vinorelbine in metastatic non-small cell lung cancer

Jean-Louis Pujol, Amandine Coffy, Andrea Camerini, Athanasios Kotsakis, Manlio Mencoboni, Milena Gusella, Felice Pasini, Aldo Pezzuto, Giuseppe Luigi Banna, Cemil Bilir, Epaminontas Samantas, Fabrice Barlesi, Benoît Roch, Aude Guillou and Jean-Pierre Daurès

PLOS ONE, 2019, vol. 14, issue 8, 1-17

Abstract: Introduction: Several non-comparative phase II studies have evaluated metronomic oral vinorelbine (MOV) in metastatic non-small cell lung cancer (NSCLC) but the small size of each study limits their conclusions. Purpose: To perform an individual patient-data metaanalysis of studies evaluating MOV in metastatic NSCLC in order to measure survival and safety of treatment with this regimen. Methods: Studies were selected if (1) administration of oral vinorelbine thrice a week; (2) fixed daily dose comprised between 30 and 50 mg, and; (3) being published before October 4th 2018. Database encompassed 8 variables characterizing disease and demography, 3 informing therapy, and 12 describing survival and toxicity. Results: Nine studies encompassing 418 patients fulfilled the selection criteria, 80% of them having frailty characteristics. Median overall survival (OS) was 8.7 months (95%CI: 7.6–9.5). OSrates at 6 months, one year and at two years after starting vinorelbine were 64%, 30.3% and 8.9%, respectively. In the Cox model, Eastern Cooperative Oncology Group (ECOG) performance status (PS) = 2, and anemia of any grade were significant determinants of shorter OS. Median progression-free survival(PFS) was 4.2 months (95%CI: 3.9–5). At 6 months and at one-year, PFS rates were 35% and 11.9% respectively. In the Cox model stratified for the variable “study”, PS = 2and stage IV were significant determinants of shorter PFS. No toxicity was reported for 40% of patients, and 66 (15.8%) patients experienced a grade 3–4 toxicity. The most frequent toxicity was anemia of any grade (35.8%) that was higher with the 50 mg dosage. Conclusion: MOV is an active and well-tolerated chemotherapy in metastatic NSCLC and is a manageable therapy in frail patients.

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0220988

DOI: 10.1371/journal.pone.0220988

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