Journal
BMJ OPEN
Volume 12, Issue 6, Pages -Publisher
BMJ PUBLISHING GROUP
DOI: 10.1136/bmjopen-2021-057098
Keywords
adult oncology; respiratory tract tumours; thoracic surgery; chemotherapy
Categories
Funding
- Chinese National Natural Science Foundation [81772476]
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This study compared the efficacy and safety of different platinum adjuvant chemotherapy regimens for early-stage resected non-small-cell lung cancer (NSCLC). The results showed that the chemotherapy group had a significant advantage in terms of relapse-free survival (RFS) and overall survival (OS) compared to the observation group. Only the 'cisplatin_vinorelbine' regimen had a significant advantage in terms of RFS and OS. The study also found that the incidence of hematological toxicities and nausea/vomiting was not significantly higher in the 'cisplatin_vinorelbine' arm compared to other chemotherapy regimens.
Objective This study aimed to compare the efficacy and safety of different platinum adjuvant chemotherapy regimens for early-stage resected non-small-cell lung cancer (NSCLC). Design Systematic review with network meta-analysis of randomised trials. Data sources PubMed, EMBASE, The Cochrane Library, Web of Science and Scopus Google Scholar were searched through 12 March 2021. Eligibility criteria Eligible randomised controlled trials (RCTs) comparing the postoperative platinum chemotherapy regimen with the observation-controlled group or comparing two platinum chemotherapy regimens head-to-head were included. Data extraction and synthesis The primary outcome was the efficacy of adjuvant chemotherapy regimens including relapse-free survival (RFS), overall survival (OS), 2-year, 3-year, 5-year RFS rate and OS rate. The secondary outcome was the rate of grade 3-4 toxicity assessments. Cochrane Handbook (V.5) was used for the risk of bias assessment. Analyses were performed using R software V.4.3.1. Results 20 RCTs with a sample size of 5483 were enrolled in meta-analysis. The chemotherapy group had a significant RFS and OS advantage compared with the observation group (HR 0.67; 95% CI 0.56 to 0.81, p<0.0001; HR 0.80; 95% CI, 0.73 to 0.88, p<0.0001, respectively). Compared with the observation arm, only the 'cisplatin_vinorelbine' regimen had a significant RFS and OS advantage (HR 0.63; 95% CI 0.43 to 0.87; HR 0.74; 95% CI 0.63 to 0.87, respectively) while the remaining chemotherapy regimens had no significant difference of efficacy compared with the observation group. In terms of the safety of adjuvant chemotherapy, the incidence of haematological toxicities and nausea/vomiting was not significantly higher in the 'cisplatin_vinorelbine' arm than in other chemotherapy group. Conclusion This study summarised the adjuvant cytotoxicity chemotherapy regimens for patients with early-stage resected NSCLC. Our analysis may provide some guiding significance for the clinicians when determining the optimal chemotherapy regimen.
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