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Attend this session at the
2017 ASCO Annual Meeting!


Session: Lung Cancer—Non-Small Cell Local-Regional/Small Cell/Other Thoracic Cancers

Type: Oral Abstract Session

Time: Monday June 5, 8:00 AM to 11:00 AM

Location: Hall B1

Gefitinib (G) versus vinorelbine+cisplatin (VP) as adjuvant treatment in stage II-IIIA (N1-N2) non-small-cell lung cancer (NSCLC) with EGFR-activating mutation (ADJUVANT): A randomized, Phase III trial (CTONG 1104).

Sub-category:
Adjuvant Therapy

Category:
Lung Cancer—Non-Small Cell Local-Regional/Small Cell/Other Thoracic Cancers

Meeting:
2017 ASCO Annual Meeting

Abstract No:
8500

Citation:
J Clin Oncol 35, 2017 (suppl; abstr 8500)

Author(s): Yi-Long Wu, Wenzhao Zhong, Qun Wang, Song-Tao Xu, Wei-Min Mao, Lin Wu, Yi Shen, Yong-Yu Liu, Chun Chen, Ying Cheng, Lin Xu, Jun Wang, Ke Fei, Xiao-Fei Li, Jian Li, Cheng Huang, Zhi-Dong Liu, Ke-Neng Chen, Hong-Hong Yan, Xue-Ning Yang; Guangdong Lung Cancer Institute, Guangdong General Hospital (GGH) and Guangdong Academy of Medical Sciences, Guangzhou, China; Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China; Zhongshan Hospital, Shanghai, China; Zhejiang Cancer Hospital, Hangzhou, China; Hunan Cancer Hospital, Wuhan, China; The Affiliated Hospital of Qingdao University Medical College, Qingdao, China; Liaoning Cancer Hospital and Institute, Dalian Medical University Clinical Oncology College, Shenyang, China; Fujian Medical University Union Hospital, Fuzhou, China; Jilin Cancer Hospital, Changchun, China; Jiangsu Cancer Hospital, Nanjing, China; Peking University People's Hospital, Beijing, China; Shanghai Pulmonary Hospital, Shanghai, China; Tangdu Hospital of the Fourth Military Medical University, Xi'an, China; Peking University First Hospital, Beijing, China; Fujian Cancer Hospital, Fuzhou, China; Beijing Chest Hospital, Capital Medical University, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, China; Peking University Cancer Hospital and Institute, Beijing, China

Abstract Disclosures

Abstract:

Background: Cisplatin-based adjuvant chemotherapy is standard of care for patients (pts) with stage II-IIIA non-small cell lung cancer (NSCLC). Epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors have shown no benefits in the adjuvant setting for pts with unselected resected NSCLC in the BR19 and RADIANT trials. ADJUVANT (NCT01405079) is the first randomized trial to compare gefitinib (G) with vinorelbine+cisplatin (VP) in completely resected pathological stage II-IIIA (N1-N2) NSCLC with EGFR-activating mutation. Methods: Completely resected stage II-IIIA (N1-N2) NSCLC pts with EGFR-activating mutation were randomized 1:1 to receive G (250 mg once daily) for 24 months or vinorelbine (25 mg/m2 Day 1 and Day 8) plus cisplatin (75 mg/m2 Day 1) every 3 weeks for 4 cycles. Stratification factors were lymph node status (pN1/N2) and EGFRmutation status. The primary endpoint was disease-free survival (DFS) in the intent-to-treat population. Results: A total of 222 pts were randomly assigned (Sep 19 2011 to Apr 24 2014). Baseline characteristics were balanced. At the time of data cutoff, the median duration of treatment was 21.9 months in the G arm, and 4 cycles in the VP arm. The median follow-up period was 36.5 months (range 0.1 to 62.8). G had significantly longer median DFS (28.7 months, 95% confidence interval [CI] 24.9 to 32.5) than VP (18.0 months, 95% CI 13.6 to 22.3; hazard ratio 0.60; 95% CI 0.42 to 0.87; p= 0.005). 3-year DFS was significantly better with G (34.0% vs 27.0%; p= 0.013). The number of overall survival events was 76 (34.2%). In the subgroup analysis of patients treated with G, lymph node status (pN1/N2) demonstrated significant correlation with DFS (p< 0.05). Grade 3 or higher adverse events were less common with G than with VP (12.3% vs 48.3%; p< 0.001). No interstitial lung disease was observed with G. Conclusions: Adjuvant G significantly prolonged DFS compared with VP in pts with resected stage II-IIIA (N1-N2) NSCLC with EGFR-activating mutation. Adjuvant gefitinib should be considered as an important option for stage II-IIIA lung cancer pts with EGFR mutation. Clinical trial information: NCT01405079

 
Other Abstracts in this Sub-Category:

 

1. Survival benefit of systemic chemotherapy given as adjuvant (ACT) after thoracic surgery for N0-1 non-small cell lung cancer (NSCLC) patients (pts) with synchronous brain metastasis (SBM).

Meeting: 2017 ASCO Annual Meeting Abstract No: 8525 First Author: Sarah Shin
Category: Lung Cancer—Non-Small Cell Local-Regional/Small Cell/Other Thoracic Cancers - Adjuvant Therapy

 

2. The role of adjuvant chemotherapy in stage IB non-small cell lung cancer: A decision, effectiveness, and cost-effectiveness analysis.

Meeting: 2017 ASCO Annual Meeting Abstract No: 8526 First Author: Jessica Lynn Hudson
Category: Lung Cancer—Non-Small Cell Local-Regional/Small Cell/Other Thoracic Cancers - Adjuvant Therapy

 

3. Early experience with IBM Watson for Oncology (WFO) cognitive computing system for lung and colorectal cancer treatment.

Meeting: 2017 ASCO Annual Meeting Abstract No: 8527 First Author: S.P. Somashekhar
Category: Lung Cancer—Non-Small Cell Local-Regional/Small Cell/Other Thoracic Cancers - Adjuvant Therapy

 

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