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Erlotinib monotherapy for stage IIIB/IV non-small cell lung cancer: a multicenter trial by the Korean Cancer Study Group

 Ji Eun Uhm  ;  Byeong-Bae Park  ;  Myung-Ju Ahn  ;  Jeeyun Lee  ;  Jin Seok Ahn  ;  Sang We Kim  ;  Heung-Tae Kim  ;  Jong Seog Lee  ;  Jin Hyung Kang  ;  Jae Yong Cho  ;  Hong Suk Song  ;  Se Hoon Park  ;  Chang Hak Sohn  ;  Sang Won Shin  ;  Jin Hyuck Choi  ;  Keunchil Park 
 JOURNAL OF THORACIC ONCOLOGY, Vol.4(9) : 1136-1143, 2009 
Journal Title
Issue Date
Adult ; Aged ; Aged, 80 and over ; Asian Continental Ancestry Group ; Carcinoma, Non-Small-Cell Lung/drug therapy* ; Carcinoma, Non-Small-Cell Lung/ethnology ; Carcinoma, Non-Small-Cell Lung/mortality ; Erlotinib Hydrochloride ; Female ; Humans ; Lung Neoplasms/drug therapy* ; Lung Neoplasms/ethnology ; Lung Neoplasms/mortality ; Male ; Middle Aged ; Mutation ; Neoplasm Staging ; Prospective Studies ; Protein Kinase Inhibitors/therapeutic use* ; Quinazolines/adverse effects ; Quinazolines/therapeutic use* ; Receptor, Epidermal Growth Factor/antagonists & inhibitors* ; Receptor, Epidermal Growth Factor/genetics
BACKGROUND: Erlotinib (Tarceva, OSI Pharmaceuticals, Melville, NY) is an oral, epidermal growth factor receptor tyrosine kinase inhibitor that has antitumor activity and good tolerability in non-small cell lung cancer (NSCLC). In particular, higher response rates have been reported in Asian patients than in Western patients. The aim of this study conducted by the Korean Cancer Study Group was to evaluate the efficacy and tolerability of erlotinib monotherapy as a palliative treatment for advanced NSCLC patients in Korea. PATIENTS AND METHODS: Patients with histologically or cytologically confirmed stage IIIB or IV NSCLC including recurrent or metastatic disease, with performance status from 0 to 3, were eligible either if they had received any anticancer treatment except epidermal growth factor receptor inhibitors or if they were unsuitable for chemotherapy because of poor performance status. Enrolled patients were treated with oral erlotinib at a dose of 150 mg daily until disease progression or development of intolerable toxicity. RESULTS: A total of 120 patients were enrolled between January 2005 and May 2006. Forty-four patients (36.7%) were female and 72 patients were current or former smoker. Fifty percent of patients had received one prior palliative chemotherapy regimens and 34.2% had two or more prior palliative regimens. The overall tumor response rate was 24.2% (95% confidence interval [CI], 16.8-32.8%) with 4 complete responses and 25 partial responses, and the disease control rate was 56.7%. The favorable clinical variables for tumor response were female (P = 0.001), never smokers (P = 0.041), and adenocarcinoma (P = 0.001). The most common adverse event was skin rash (78% of which grade 3 or 4 skin rash occurred in 13.3% of the patients). With a median follow-up of 23.6 months, the median time to progression was 2.7 months (95% CI, 2.2-3.2), and the median overall survival was 12.9 months (95% CI, 6.9-18.8). By multivariate analysis, female and development of skin rash were significantly associated with longer time to progression and overall survival. CONCLUSION: Erlotinib monotherapy showed significant antitumor activity and an acceptable tolerability profile as a palliative treatment in advanced NSCLC patients in Korea, especially in females, never smokers, and patients with adenocarcinoma histology.
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1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Hon Soul(김한솔)
Park, Mi-Suk(박미숙) ORCID logo https://orcid.org/0000-0001-5817-2444
Lim, Joon Seok(임준석) ORCID logo https://orcid.org/0000-0002-0334-5042
Chung, Taek(정택) ORCID logo https://orcid.org/0000-0001-7567-0680
Cho, Jae Yong(조재용) ORCID logo https://orcid.org/0000-0002-0926-1819
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