A retrospective analysis of safety and efficacy of weekly nab-paclitaxel as second-line chemotherapy in elderly patients with advanced squamous non-small-cell lung carcinoma
Authors Jin F, Han A, Shi F, Kong L, Yu J
Received 29 September 2015
Accepted for publication 1 January 2016
Published 19 February 2016 Volume 2016:11 Pages 167—173
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Chang-Yong Ko
Peer reviewer comments 2
Editor who approved publication: Dr Wu
Feng Jin,1,2 Hui Zhu,1,2 Fang Shi,1,2 Li Kong,1,2 Jinming Yu1,2
1Department of Radiation Oncology, Shandong Cancer Hospital and Institute, 2Shandong Academy of Medical Sciences, University of Jinan, Jinan, Shandong Province, People’s Republic of China
Purpose: The aim of this retrospective study was to investigate the anticancer effect and toxicity of weekly administered nab-paclitaxel as a second-line chemotherapy in elderly patients with relapsed squamous non-small-cell lung cancer (NSCLC).
Patients and methods: We retrospectively reviewed the treatment of 42 elderly patients with relapsed squamous NSCLC, who received nab-paclitaxel monotherapy as a second-line treatment from January 2010 to March 2014. A dose of 100 mg/m2 nab-paclitaxel was administered weekly on days 1, 8, and 15, followed by 1 week of rest. The protocol was maintained for at least two cycles.
Results: The overall response rate (ORR) and the disease control rate (DCR) were 21.43% (9/42) and 47.62% (20/42), respectively. The median progression-free survival (PFS) and overall survival (OS) were 6.6 and 10.9 months, respectively. In the subgroup analysis, there was no significant difference in ORR, DCR, PFS, and OS, accounting for the first-line therapy factors (taxane agent, radiotherapy, or surgery). There was a statistically significant difference in DCR for stages III and IV (62.96% vs 20%, P=0.008), but there was no such difference in either PFS or OS. The ORR of 29 patients receiving more than three cycles of treatment was higher than that of those receiving less than three cycles of treatment (31.03% vs 0%, P=0.038), and there was a significant difference in PFS (7.6 vs 4.9 months, P=0.004) and OS (11.7 vs 8.9 months, P=0.002). No hypersensitivity reactions or treatment-related grade 4 adverse events were reported.
Conclusion: Nab-paclitaxel monotherapy administered weekly at a dose of 100 mg/m2 is shown to be an effective and safe regimen for elderly patients with relapsed squamous NSCLC, especially for patients with stage III disease or good performance status.
Keywords: nab-paclitaxel, squamous, non-small-cell lung cancer, second line, elderly
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