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  • Title: Overall survival of driver mutation-negative non-small cell lung cancer patients with COPD under chemotherapy compared to non-COPD non-small cell lung cancer patients.
    Author: Lim JU, Yeo CD, Rhee CK, Kim YH, Park CK, Kim JS, Kim JW, Kim SJ, Yoon HK, Lee SH.
    Journal: Int J Chron Obstruct Pulmon Dis; 2018; 13():2139-2146. PubMed ID: 30034229.
    Abstract:
    OBJECTIVES: Focusing on the advanced non-small cell lung cancer (NSCLC) patients without driver mutations can elucidate the clinical impact of COPD on treatment outcomes. The present study evaluated the effects of COPD on the overall survival of driver mutation-negative NSCLC patients undergoing conventional chemotherapy as the first-line treatment. PATIENTS AND METHODS: Medical records of stage IIIB and IV NSCLC patients from January 2008 to December 2015 from six university hospitals were reviewed. RESULTS: The total study population consisted of 197 patients; 92 (46.7%) were COPD patients and 105 (53.3%) were non-COPD patients. The median survival in the non-COPD group was 11.5 months, compared to 9.2 months in the COPD group. Univariate analysis showed that old age (>70 years), high Eastern Cooperative Oncology Group status score (2-3), squamous cell histology, and COPD were risk factors for mortality. The presence of COPD was a significant prognostic factor in univariate analysis (hazard ratio [HR], 1.402; p=0.037), but not in multivariate analysis (HR, 1.275; p=0.144). Subgroup analysis of 143 smokers showed that COPD was a significant prognostic factor on multivariate analysis (HR, 1.726; p=0.006). In 154 stage IV patients, COPD was also a prognostic factor in multivariate analysis (HR, 1.479; p=0.039). CONCLUSION: COPD had a negative impact on overall survival in the stage IV NSCLC and smoker NSCLC patients who underwent conventional chemotherapy.
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