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Concomitant Statin Use Has a Favorable Effect on Gemcitabine-Erlotinib Combination Chemotherapy for Advanced Pancreatic Cancer

Authors
 Do Chang Moon  ;  Hee Seung Lee  ;  Yong Il Lee  ;  Moon Jae Chung  ;  Jeong Youp Park  ;  Seung Woo Park  ;  Si Young Song  ;  Jae Bock Chung  ;  Seungmin Bang 
Citation
 YONSEI MEDICAL JOURNAL, Vol.57(5) : 1124-1130, 2016 
Journal Title
 YONSEI MEDICAL JOURNAL 
ISSN
 0513-5796 
Issue Date
2016
MeSH
Adenocarcinoma/drug therapy* ; Adenocarcinoma/secondary ; Adolescent ; Adult ; Aged ; Aged, 80 and over ; Antineoplastic Combined Chemotherapy Protocols/therapeutic use* ; Deoxycytidine/administration & dosage ; Deoxycytidine/analogs & derivatives ; Disease-Free Survival ; Erlotinib Hydrochloride/administration & dosage ; Female ; Humans ; Hydroxymethylglutaryl-CoA Reductase Inhibitors/therapeutic use* ; Male ; Middle Aged ; Neoplasm Staging ; Pancreatic Neoplasms/drug therapy* ; Pancreatic Neoplasms/pathology ; Retrospective Studies ; Survival Rate ; Young Adult
Keywords
Hydroxymethylglutaryl-CoA reductase inhibitors ; erlotinib ; gemcitabine ; pancreatic neoplasms
Abstract
PURPOSE: Erlotinib-gemcitabine combined chemotherapy is considered as the standard treatment for unresectable pancreatic cancer. This study aimed to determine the clinical factors associated with response to this treatment. MATERIALS AND METHODS: This retrospective study included 180 patients with unresectable pancreatic cancer who received ≥2 cycles of gemcitabine-erlotinib combination therapy as first-line palliative chemotherapy between 2006 and 2014. "Long-term response" was defined as tumor stabilization after >6 chemotherapy cycles. RESULTS: The median progression-free survival (PFS) and overall survival (OS) were 3.9 and 8.1 months, respectively. On univariate analysis, liver metastasis (p=0.023) was negatively correlated with long-term response. Locally advanced stage (p=0.017), a history of statin treatment (p=0.01), and carcinoembryonic antigen levels <4.5 (p=0.029) had a favorable effect on long-term response. On multivariate analysis, a history of statin treatment was the only independent favorable factor for long-term response (p=0.017). Prognostic factors for OS and PFS were significantly correlated with liver metastasis (p=0.031 and 0.013, respectively). A history of statin treatment was also significantly associated with OS after adjusting for all potential confounders (hazard ratio, 0.48; 95% confidence interval, 0.26-0.92; p=0.026). CONCLUSION: These results suggest that statins have a favorable effect on "long-term response" to gemcitabine-erlotinib chemotherapy in unresectable pancreatic cancer patients. Statins may have a chemoadjuvant role in stabilizing long-term tumor growth.
Files in This Item:
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DOI
10.3349/ymj.2016.57.5.1124
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Moon, Do Chang(문도창)
Park, Jeong Youp(박정엽) ORCID logo https://orcid.org/0000-0003-0110-8606
Bang, Seungmin(방승민) ORCID logo https://orcid.org/0000-0001-5209-8351
Song, Si Young(송시영) ORCID logo https://orcid.org/0000-0002-1417-4314
Lee, Hee Seung(이희승) ORCID logo https://orcid.org/0000-0002-2825-3160
Chung, Moon Jae(정문재) ORCID logo https://orcid.org/0000-0002-5920-8549
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/168121
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