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Screening for patients with non-small cell lung cancer who could survive long term chemotherapy.

AbstractBACKGROUND:
Lung cancer was one of the most common cancers in both men and women all over the world. In this study, we aimed to clarify who could survive after long term chemotherapy in patients with advanced non-small cell lung cancer (NSCLC).
METHODS:
We enrolled 186 patients with stage IV NSCLC after long term chemotherapy from Jun 2006 to Nov 2014 diagnosed in Jiangsu Cancer Hospital. Multiple variables like age, gender, smoking, histology of adenocarcinoma and squamous-cell cancer, number of metastatic sites, metastatic sites (e.g. lung, brain, bone, liver and pleura), hemoglobin, lymphocyte rate (LYR), Change of LYR during multiple therapies, hypertension, diabetes, chronic bronchitis, treatments (e.g.radiotherapy and targeted therapy) were selected. For consideration of factors influencing survival and response for patients with advanced NSCLC, logistic regression analysis and Cox regression analysis were used in an attempt to develop a screening module for patients with elevated survival after long term chemotherapy become possible.
RESULTS:
Of the total of 186 patients enrolled, 69 survived less than 1 year (short-term group), 45 one to two years, and 72 longer than 3 years (long-term group). For logistic regression analysis, the short-term group was taken as control group and the long-term group as the case group. We found that age, histology of adenocarcinoma, metastatic site (e.g. lung and liver), treatments (e.g. targeted therapy and radiotherapy), LYR, a decreasing tendency of LYR and chronic bronchitis were individually associated with overall survival by Cox regression analysis. A multivariable Cox regression model showed that metastatic site (e.g. lung and liver), histology of adenocarcinoma, treatments (e.g. targeted therapy and radiotherapy) and chronic bronchitis were associated with overall survival. Thus metastatic site (e.g. lung and liver) and chronic bronchitis may be important risk factors for patients with advanced NSCLC. Gender, metastatic site (e.g. lung and liver), LYR and the decreasing tendency of LYR were significantly associated with long-term survival in the individual-variable logistic regression model (P<0.05). On multivariate logistic regression analysis, gender, metastatic site (e.g. lung and liver) and the decreasing tendency of LYR associated with long-term survival.
CONCLUSIONS:
In conclusion, female patients with stage IV adenocarcinoma of NSCLC who had decreasing tendency of LYR during the course therapy and had accepted multiple therapies e.g. more than third-line chemotherapy, radiotherapy and/or targeted therapy might be expected to live longer.
AuthorsXue-Yan Wu, Xin-En Huang
JournalAsian Pacific journal of cancer prevention : APJCP (Asian Pac J Cancer Prev) Vol. 16 Issue 2 Pg. 647-52 ( 2015) ISSN: 2476-762X [Electronic] Thailand
PMID25684501 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
Topics
  • Adenocarcinoma (drug therapy, mortality, secondary)
  • Adult
  • Aged
  • Antineoplastic Combined Chemotherapy Protocols (therapeutic use)
  • Carcinoma, Non-Small-Cell Lung (drug therapy, mortality, secondary)
  • Carcinoma, Squamous Cell (drug therapy, mortality, secondary)
  • Female
  • Follow-Up Studies
  • Humans
  • Lung Neoplasms (drug therapy, mortality, pathology)
  • Male
  • Mass Screening
  • Middle Aged
  • Neoplasm Metastasis
  • Neoplasm Staging
  • Prognosis
  • Survival Rate

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