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Gemcitabine and oxaliplatin with or without erlotinib in advanced biliary-tract cancer: a multicentre, open-label, randomised, phase 3 study.

Authors
 Jeeyun Lee  ;  Se Hoon Park  ;  Heung-Moon Chang  ;  Jun Suk Kim  ;  Hye Jin Choi  ;  Myung Ah Lee  ;  Joung Soon Chang  ;  Hei Cheul Jeung  ;  Jung Hun Kang  ;  Hyun Woo Lee  ;  Dong Bok Shin  ;  Hye Jin Kang  ;  Jong-Mu Sun  ;  Joon Oh Park  ;  Young Suk Park  ;  Won Ki Kang  ;  Ho Yeong Lim 
Citation
 Lancet Oncology, Vol.13(2) : 181-188, 2012 
Journal Title
 Lancet Oncology 
ISSN
 1470-2045 
Issue Date
2012
Abstract
BACKGROUND: Combination chemotherapy with gemcitabine and a platinum-based agent is regarded as a standard treatment for patients with advanced biliary-tract cancer. Results of phase 2 trials of single-agent erlotinib in biliary-tract cancer and of gemcitabine plus erlotinib in pancreatic cancer have shown modest benefits. Therefore, we aimed to investigate the efficacy of gemcitabine and oxaliplatin plus erlotinib versus chemotherapy alone for advanced biliary-tract cancer. METHODS: In this open label, randomised, phase 3 trial, we randomly assigned patients (in a 1:1 ratio) with metastatic biliary-tract cancer (cholangiocarcinoma, gallbladder cancer, or ampulla of Vater cancer) to receive either first-line treatment with chemotherapy alone (gemcitabine 1000 mg/m(2) on day 1 and oxaliplatin 100 mg/m(2) on day 2) or chemotherapy plus erlotinib (100 mg daily). Treatment was repeated every 2 weeks until disease progression or unacceptable toxic effects. Randomisation was done centrally (stratified by participating centre and presence of measurable lesion). The primary endpoint was progression-free survival. Analyses were by intention-to-treat. This study is registered with ClinicalTrials.gov, number NCT01149122. FINDINGS: 133 patients were randomly assigned to the chemotherapy alone group and 135 to the chemotherapy plus erlotinib group. The groups were balanced except for a higher proportion of patients with cholangiocarcinoma in the group given erlotinib than in the chemotherapy alone group (96 [71%] patients vs 84 [63%]). Median progression-free survival was 4·2 months (95% CI 2·7-5·7) in the chemotherapy alone group and 5·8 months (95% CI 4·6-7·0) in the chemotherapy plus erlotinib group (hazard ratio [HR] 0·80, 95% CI 0·61-1·03; p=0·087). Significantly more patients had an objective response in the chemotherapy plus erlotinib group than in the chemotherapy alone group (40 patients vs 21 patients; p=0·005), but median overall survival was the same in both groups (9·5 months [95% CI 7·5-11·5] in the chemotherapy alone group and 9·5 months [7·6-11·4] in the chemotherapy plus erlotinib group; HR 0·93, 0·69-1·25; p=0·611). All-cause deaths within 30 days of random assignment occurred in one (1%) of the patients in the chemotherapy alone group and in four (3%) of those in the chemotherapy plus erlotinib group. The most common grade 3-4 adverse event was febrile neutropenia (eight [6%] patients in the chemotherapy alone group and six [4%] in the chemotherapy plus erlotinib group). No patient died of treatment-related causes during the study. Subgroup analyses by primary site of disease showed that for patients with cholangiocarcinoma, the addition of erlotinib to chemotherapy significantly prolonged median progression-free survival (5·9 months [95% CI 4·7-7·1] for chemotherapy plus erlotinib vs 3·0 months [1·1-4·9] for chemotherapy alone; HR 0·73, 95% CI 0·53-1·00; p=0·049). INTERPRETATION: Although no significant difference in progression-free survival was noted between groups, the addition of erlotinib to gemcitabine and oxaliplatin showed antitumour activity and might be a treatment option for patients with cholangiocarcinoma. FUNDING: None.
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/91384
DOI
10.1016/S1470-2045(11)70301-1
Appears in Collections:
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실)
Yonsei Authors
정희철(Jeung, Hei Cheul) ; 최혜진(Choi, Hye Jin)
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Full Text
http://www.sciencedirect.com/science/article/pii/S1470204511703011
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