Combination chemotherapy of gemcitabine and vinorelbine for pretreated non-small- cell lung cancer: a retrospective study
Authors Minami S, Ogata Y, Yamamoto S, Komuta K
Received 31 May 2015
Accepted for publication 20 July 2015
Published 25 September 2015 Volume 2015:6 Pages 83—90
Checked for plagiarism Yes
Review by Single-blind
Peer reviewer comments 3
Editor who approved publication: Prof. Dr. Pan-Chyr Yang
Seigo Minami, Yoshitaka Ogata, Suguru Yamamoto, Kiyoshi Komuta
Department of Respiratory Medicine, Osaka Police Hospital, Osaka, Japan
Background: Advanced non-small-cell lung cancer (NSCLC) eventually progresses after first-line chemotherapy, and usually requires salvage treatment. Although neither gemcitabine nor vinorelbine is approved as a candidate drug in the second- or further-line for NSCLC, they can be alternative drugs in terms of anti-tumor effects and toxicities. Actually, in our institution, we often use a combination of these two anti-tumor drugs in our daily practice.
Methods: We retrospectively reviewed 85 patients with advanced NSCLC who had received combination chemotherapy of gemcitabine and vinorelbine after a platinum-based regimen from June 2007 to June 2014 in Osaka Police Hospital, and performed Cox proportional hazard analyses in order to detect predictive factors for progression-free survival (PFS).
Results: Patient characteristics included a mean age of 65.5 years, 56 males, 54 adenocarcinoma, 53 European Clinical Oncology Group performance status 0–1. Thirteen and 35 patients received the study treatment as the second- and third-line treatment, respectively. The overall response rate, disease control rate, PFS, and overall survival were 4.7% (95% confidence interval 1.3%–11.6%), 30.6% (21.0%–41.5%), 2.1 months (1.7–2.8 months), and 6.9 months (5.0–11.0 months). Twenty-one and six patients experienced grade 4 neutropenia and febrile neutropenia, respectively. European Clinical Oncology Group performance status 0–1 was detected as a factor predicting longer PFS by univariate (hazard ratio, 1.63; 95% confidence interval, 1.28–2.08; P<0.001) and multivariate (1.65, 1.27–2.14, P<0.001) analyses.
Conclusion: This combination was ineffective and harmful to pretreated patients with NSCLC. We do not recommend this regimen as a later-line treatment option.
Keywords: gemcitabine, vinorelbine, non-small cell lung cancer, performance status, retrospective study, combination chemotherapy
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