TY - JOUR
T1 - Trends and predictors of first-line chemotherapy use among elderly patients with advanced non-small cell lung cancer in the United States
AU - Lang, Kathleen
AU - Marciniak, Martin D.
AU - Faries, Doug
AU - Stokes, Michael
AU - Buesching, Don
AU - Earle, Craig
AU - Treat, Joseph
AU - Morissette, Nathalie
AU - Thompson, David
PY - 2009/2
Y1 - 2009/2
N2 - Purpose: This study assessed first-line chemotherapy treatment patterns over time and identified predictors of chemotherapy use and treatment selection among elderly patients with newly diagnosed Stage IIIB/IV non-small cell lung cancer (NSCLC) in the United States. Methods: Patients aged 65 years and older newly diagnosed with Stage IIIB/IV NSCLC between 1997 and 2002 were identified and followed through 2003 using the Surveillance, Epidemiology and End Results (SEER)-Medicare database to evaluate temporal trends in chemotherapy treatment. Multivariate logistic regression models were estimated to identify predictors of chemotherapy treatment and factors associated with use of cisplatin/carboplatin (platinum) and either a taxane or gemcitabine versus other treatments. Results: Chemotherapy use increased from approximately 28% of Stage IIIB/IV NSCLC patients diagnosed in 1997 to 36% of patients diagnosed in 2002. Doublet therapy was most commonly used as first-line therapy, received by 74% of chemotherapy-treated patients across all study years. Use of doublet therapy with platinum and either a taxane or gemcitabine also increased over time (with the largest increase for gemcitabine combinations from 0.3% in 1997 to 11.8% in 2002). Males were more likely than females to be treated with chemotherapy (odds ratios [95% CI]: 1.14 [1.06-1.22]), as were patients in the Northeast and South relative to patients in the West (1.24 [1.13-1.36] and 1.33 [1.20-1.47], respectively). Conclusion: Use of first-line chemotherapy treatment among elderly Stage IIIB/IV NSCLC patients is low, but appears to be increasing, with potential regional and gender differences in treatment. These findings are likely to be of interest to clinicians and policymakers.
AB - Purpose: This study assessed first-line chemotherapy treatment patterns over time and identified predictors of chemotherapy use and treatment selection among elderly patients with newly diagnosed Stage IIIB/IV non-small cell lung cancer (NSCLC) in the United States. Methods: Patients aged 65 years and older newly diagnosed with Stage IIIB/IV NSCLC between 1997 and 2002 were identified and followed through 2003 using the Surveillance, Epidemiology and End Results (SEER)-Medicare database to evaluate temporal trends in chemotherapy treatment. Multivariate logistic regression models were estimated to identify predictors of chemotherapy treatment and factors associated with use of cisplatin/carboplatin (platinum) and either a taxane or gemcitabine versus other treatments. Results: Chemotherapy use increased from approximately 28% of Stage IIIB/IV NSCLC patients diagnosed in 1997 to 36% of patients diagnosed in 2002. Doublet therapy was most commonly used as first-line therapy, received by 74% of chemotherapy-treated patients across all study years. Use of doublet therapy with platinum and either a taxane or gemcitabine also increased over time (with the largest increase for gemcitabine combinations from 0.3% in 1997 to 11.8% in 2002). Males were more likely than females to be treated with chemotherapy (odds ratios [95% CI]: 1.14 [1.06-1.22]), as were patients in the Northeast and South relative to patients in the West (1.24 [1.13-1.36] and 1.33 [1.20-1.47], respectively). Conclusion: Use of first-line chemotherapy treatment among elderly Stage IIIB/IV NSCLC patients is low, but appears to be increasing, with potential regional and gender differences in treatment. These findings are likely to be of interest to clinicians and policymakers.
KW - Aged
KW - Aged, 80 and over
KW - Carcinoma, Non-Small-Cell Lung/drug therapy
KW - Female
KW - Humans
KW - Lung Neoplasms/drug therapy
KW - Male
KW - Retrospective Studies
KW - SEER Program
UR - http://www.scopus.com/inward/record.url?scp=58049219901&partnerID=8YFLogxK
U2 - 10.1016/j.lungcan.2008.05.003
DO - 10.1016/j.lungcan.2008.05.003
M3 - Article
C2 - 18649969
SN - 0169-5002
VL - 63
SP - 264
EP - 270
JO - Lung Cancer
JF - Lung Cancer
IS - 2
ER -