scholarly journals Preoperative Computed Tomography–Determined Sarcopenia and Postoperative Outcome After Surgery for Non-Small Cell Lung Cancer

2017 ◽  
Vol 107 (3) ◽  
pp. 244-251 ◽  
Author(s):  
E. Y. Kim ◽  
H. Y. Lee ◽  
K. W. Kim ◽  
J.-I. Lee ◽  
Y. S. Kim ◽  
...  

Background: Sarcopenia, reduced skeletal muscle mass, is associated with frailty, injuries, and mortality. The purpose of this study was to evaluate the impact of computed tomography–determined sarcopenia on surgical complications and outcomes after resection of non-small cell lung cancer. Methods: For a total 272 non-small cell lung cancer patients that underwent surgery between 2011 and 2016, cross-sectional area of muscle at the third lumbar vertebra (L3) was retrospectively measured using preoperative chest computed tomography images. Sarcopenia was defined as an L3 muscle index of <55 cm2/m2 for men and of <39 cm2/m2 for women. Clinical characteristics, postoperative complications, disease-free survival, and overall survival of patients with or without sarcopenia were compared. Results: A total of 60.3% ( n = 164) were male, and mean patient age was 62.9 ± 9.6 years. The prevalence of sarcopenia was 22.4% for all study subjects, 32.9% for men, and 6.5% for women. No significant difference was observed between patients with or without sarcopenia in terms of intensive care unit or hospital stay ( p = 0.502 and p = 0.378, respectively), and the presence of sarcopenia was not associated with postoperative complications. Furthermore, no significant difference was observed between the 3-year disease-free survival rate (74.3% vs 66.7%, p = 0.639) or 3-year overall survival rate (83.9% vs 87.7%, p = 0.563) of patients with or without sarcopenia. Conclusion: Sarcopenia as determined by preoperative computed tomography does not appear to have a negative impact on surgical outcome or overall survival for resected non-small cell lung cancer patients.

2021 ◽  
Vol 59 (2) ◽  
pp. 240-246
Author(s):  
Hirohisa Kano ◽  
Toshio Kubo ◽  
Kiichiro Ninomiya ◽  
Eiki Ichihara ◽  
Kadoaki Ohashi ◽  
...  

2021 ◽  
Vol 39 (15_suppl) ◽  
pp. 8501-8501
Author(s):  
Hirohito Tada ◽  
Tetsuya Mitsudomi ◽  
Takeharu Yamanaka ◽  
Kenji Sugio ◽  
Masahiro Tsuboi ◽  
...  

8501 Background: Epidermal growth factor receptor (EGFR)-tyrosine kinase inhibitor is a standard of care for EGFR mutation-positive, untreated metastatic non-small cell lung cancer (NSCLC). However, the efficacy and safety of adjuvant gefitinib for patients with completely resected lung cancer harboring EGFR mutation over cisplatin-based adjuvant chemotherapy were not known in 2011 when this study was initiated. Methods: From September 2011 to December 2015, we randomly assigned 234 patients with completely resected, EGFR mutation-positive (exon 19 deletion or L858R), stage II–III NSCLC to receive either gefitinib (250 mg, once daily) for 24 months or cisplatin (80 mg/m2 on day 1) plus vinorelbine (25 mg/m2 on days 1 and 8) (cis/vin) every 3 weeks for four cycles. The primary endpoint was disease-free survival (DFS) according to a central review in the intent-to-treat (ITT) population. Results: Two patients in the gefitinib arm withdrew consent and were excluded from the ITT population. No treatment-related deaths were seen in the gefitinib arm, but three treatment-related deaths were reported in the cis/vin arm. Median duration of follow-up was 71 months. Median DFS was numerically longer in the gefitinib arm (36 months) than in the cis/vin arm (25.2 months). However, Kaplan-Meier curves began to overlap around 5 years after surgery, and no significant difference in DFS was seen, with a hazard ratio (HR) of 0.92 (95% confidence interval (CI), 0.67–1.28; P = 0.63). Overall survival was also not significantly different (median not reached in either arm). Five-year survival rates for gefitinib and cis/vin arms were 78.0% and 74.6%, respectively, with an HR for death of 1.03; 95%CI, 0.65–1.65; P = 0.89. Exploratory subset analysis revealed that patients ³70 years old in the gefitinib arm (n = 19/27 with G to cis/vin) survived longer than those in the cis/vin arm (HR 0.31; 95%CI, 0.10–0.98; P = 0.046). Conclusions: Adjuvant gefitinib appeared to prevent early relapse, but did not significantly prolong DFS or OS in patients with completely resected stage II–III, EGFR-mutated NSCLC. The apparent non-inferiority of DFS/OS may justify the use of adjuvant gefitinib in selected subset of patients, especially those deemed unsuitable for cis/vin adjuvant therapy. Clinical trial information: UMIN000006252.


2020 ◽  
Vol 28 (3) ◽  
pp. 496-504
Author(s):  
Muhammet Sayan

Background: This study aims to identify the prognostic factors in Stage IIIA non-small cell lung cancer and to investigate whether there was a significant difference in terms of overall survival and disease-free survival among the subgroups belonging to this disease stage. Methods: Between January 2010 and December 2018, a total of 144 patients (125 males, 19 females; median age 60 years; range, 41 to 80 years) who were operated for non-small cell lung cancer in our clinic and whose pathological stage was reported as IIIA were retrospectively analyzed. Data including demographic and clinical characteristics of the patients, histopathological diagnosis, the standardized uptake value of the mass on positron emission tomography-computed tomography, tumor diameter, type of surgery, lymph node metastasis status, visceral pleural invasion, and overall and disease-free survival rates were recorded. Results: The median survival was 39 (range, 27.8 to 46.1) months and the five-year overall survival rate was 28%. The mean tumor diameter was 4.3±2.7 cm. The median disease-free survival was 37 (range, 28.1 to 48.6) months and the five-year disease-free survival rate was 26.9%. In the multivariate analysis, overall survival and disease-free survival in T2N2M0 subgroup were significantly worse than the other subgroups. The other poor prognostic factors of survival were the standardized uptake value of the tumor, pneumonectomy, and histopathological subtypes other than squamous cell carcinoma and adenocarcinoma. Parietal pleural invasion was significantly associated with worse disease-free survival rates. Conclusion: Our results showed that there may be significant survival differences between subgroups created by tumor histopathology, lymph node invasion and the type of surgery in a heterogeneous lung cancer stage.


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