Journal
INTEGRATIVE CANCER THERAPIES
Volume 18, Issue -, Pages -Publisher
SAGE PUBLICATIONS INC
DOI: 10.1177/1534735419827079
Keywords
advanced lung adenocarcinoma; EGFR-TKI; traditional Chinese medicine; National Health Insurance Research Database; overall survival; progression-free survival
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Funding
- Health Information and Epidemiology Laboratory of Chang Gung Memorial Hospital, Chiayi Branch [CLRPG6G0041]
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Objectives: The clinical effect of traditional Chinese medicine (TCM) on survival in patients with advanced lung adenocarcinoma treated with first-line epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKIs) is a major concern and requires more evidence from large-scale clinical studies. Materials and Methods: This population-based cohort study used the Taiwan National Health Insurance Research Database to enroll patients between 2006 and 2012 who had newly diagnosed locally advanced and metastatic lung adenocarcinoma treated with first-line gefitinib or erlotinib. Survival was tracked until 2013. The patients were separated into TCM users and nonusers, and Cox regression models were applied to determine the association between the use of TCM and the survival of patients. Results: A total of 1988 patients receiving first-line gefitinib or erlotinib for the treatment of EGFR-mutated advanced lung adenocarcinoma, with the exclusion of TCM users after tumor progression, were included in this cohort study. Compared with TCM nonuse, TCM use for >= 180 days was associated with a significantly decreased risk of mortality by 68% (adjusted hazard ratio [HR], 0.32 [95% CI, 0.21-0.50], P < .0001). Compared with TCM nonuse, TCM use for >= 180 days was associated with a significantly decreased risk of disease progression by 59% (adjusted HR, 0.41 [95% CI, 0.29-0.58], P < .0001). Conclusion: This cohort study suggests that adjunctive TCM therapy could improve overall survival and progression-free survival in patients with advanced lung adenocarcinoma treated with first-line TKIs. Future randomized, controlled trials are required to validate these findings.
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