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Long-Term Efficacy, Safety, and Subgroup Analysis of Savolitinib in Chinese Patients With NSCLCs Harboring MET Exon 14 Skipping Alterations

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机构: [1]Department of Medical Oncology, Shanghai Chest Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, People's Republic of China. [2]Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Thoracic Oncology II, Peking University Cancer Hospital & Institute, Beijing, People's Republic of China. [3]Department of Medical Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People's Republic of China. [4]Department of Respiratory Diseases, The First Affiliated Hospital of the University of Science and Technology of China, Anhui Provincial Hospital, Hefei, People's Republic of China. [5]Department of Respiratory Diseases, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, People's Republic of China. [6]Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, People's Republic of China. [7]Department of Respiratory and Critical Care Medicine, West China School of Medicine and West China Hospital, Sichuan University, Chengdu, People's Republic of China. [8]Department of Medical Thoracic Oncology, Jilin Cancer Hospital, Changchun, People's Republic of China. [9]Department of Respiratory Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, People's Republic of China. [10]Department of Lung Cancer and Gastroenterology, Hunan Cancer Hospital, The Affiliated Tumour Hospital of Xiangya Medical School of Central South University, Changsha, People's Republic of China. [11]First Department of Lung Cancer Chemotherapy, The Affiliated Cancer Hospital of Xinjiang Medical University, Ürümqi, People's Republic of China. [12]Department of Oncology, Linyi Cancer Hospital, Linyi, People's Republic of China. [13]Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China. [14]Department of Oncology, The Second Affiliated Hospital of Nanchang University, Nanchang, People's Republic of China. [15]Department of Oncology, Tangdu Hospital, Fourth Military Medical University, Xi'An, People's Republic of China. [16]Department of Medical Oncology, The Affiliated Tumour Hospital of Harbin Medical University, Harbin, People's Republic of China. [17]Medical Oncology Department of Thoracic Cancer, Liaoning Cancer Hospital, Shenyang, People's Republic of China. [18]Department of Medical Oncology, Xuzhou Central Hospital, Xuzhou, People's Republic of China. [19]Thoracic Medical Oncology, Zhejiang Cancer Hospital, Hangzhou, People's Republic of China. [20]HUTCHMED Limited, Shanghai, People's Republic of China.
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关键词: Savolitinib Non–small cell lung cancer METex14 skipping mutations Pulmonary sarcomatoid carcinoma MET tyrosine kinase inhibitors

摘要:
Savolitinib has been found to have encouraging antitumor activity and a favorable safety profile in Chinese patients with pulmonary sarcomatoid carcinoma and other NSCLCs with MET exon 14 skipping alterations (MET ex14 positive) at the primary analysis of a phase 2 study. Here, we present the long-term efficacy and safety data of savolitinib, including subgroup analyses.This multicenter, single-arm, open-label, phase 2 study in the People's Republic of China enrolled MET inhibitor-naive adults with locally advanced or metastatic METex14-positive NSCLC (NCT02897479). Oral savolitinib at a dose of 400 or 600 mg was administered once daily (body weight dependent). The primary objectives of the final analysis were long-term overall survival (OS) and subgroup analyses by previous systemic treatment, NSCLC subtypes, and brain metastases.At the final analysis cutoff date (June 28, 2021), a total of 70 patients were enrolled and receiving savolitinib, and median follow-up was 28.4 (interquartile range: 26.2-36.3) months. The median OS was 12.5 months (95% confidence interval [CI]: 10.5-21.4 [18- and 24-mo OS rates, 42.1% and 31.5%, respectively]). Median OS in pretreated or treatment-naive patients was 19.4 (95% CI: 10.5-31.3) and 10.9 (95% CI: 7.5-14.0) months, respectively; it was 10.6 months (95% CI: 4.6-14.0) in patients with pulmonary sarcomatoid carcinoma, 17.3 months (95% CI: 10.6-23.6) in other NSCLC subtypes, and 17.7 months (95% CI: 10.5-not evaluable) in patients with brain metastases. No new safety signals emerged with prolonged follow-up and exposure.The updated results further confirm the favorable benefit and acceptable safety of savolitinib in Chinese patients with METex14-positive NSCLC.© 2022 The Authors.

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Q2 ONCOLOGY Q2 RESPIRATORY SYSTEM

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第一作者机构: [1]Department of Medical Oncology, Shanghai Chest Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, People's Republic of China. [*1]Department of Medical Oncology, Shanghai Chest Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200030, People’s Republic of China.
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通讯机构: [1]Department of Medical Oncology, Shanghai Chest Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, People's Republic of China. [*1]Department of Medical Oncology, Shanghai Chest Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200030, People’s Republic of China.
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