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Efficacy and safety of ripretinib vs. sunitinib in patients with advanced gastrointestinal stromal tumor previously treated with imatinib: A phase 2, multicenter, randomized, open-label study in China

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机构: [1]Peking University Cancer Hospital & Institute, Beijing, China [2]The First Affiliated Hospital of Chongqing Medical University, Chongqing, China [3]Harbin Medical University Cancer Hospital, Harbin, China [4]Sun Yat-sen University Cancer Center, Guangzhou, China [5]The Affiliated Hospital of Qingdao University, Qingdao, China [6]Fujian Medical University Union Hospital, Fuzhou, China [7]The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China [8]Fudan University Shanghai Cancer Center, Shanghai, China [9]Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Hangzhou, China [10]The Fourth Hospital of Hebei Medical University (Hebei Tumor Hospital), Shijiazhuang, China [11]Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China [12]Fudan University Zhongshan Hospital, Shanghai, China [13]Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China [14]Chinese PLA General Hospital, Beijing, China [15]Affiliated Tumor Hospital of Xinjiang Medical University, Urumqi, China [16]West China hospital, Sichuan University, Chengdu, China [17]The Sixth Affiliated hospital, Sun Yat-sen University, Guangzhou, China [18]Peking University People’s Hospital, Beijing, China [19]Zai Lab (Shanghai) Co., Ltd, Shanghai, China
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关键词: Ripretinib Sunitinib Second-line treatment Gastrointestinal stromal tumor

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A bridging study of INTRIGUE study to assess the efficacy and safety of ripretinib versus sunitinib as second-line treatment in Chinese GIST patients.This was a phase 2, multicenter, randomized, open-label study in China. GIST patients previously treated with imatinib were randomized (1:1) to receive ripretinib 150 mg once daily (QD) by continuous dosing in 42-day cycles or sunitinib 50 mg QD in 42-day cycles (four weeks on/two weeks off). Primary endpoint was progression-free survival (PFS) by independent radiological review (IRR).Between 6 December 2020 and 15 September 2021, 108 patients were randomized to receive ripretinib (n = 54) or sunitinib (n = 54) (all-patient [AP] intention-to-treat [ITT] population). Seventy patients had primary KIT exon 11 mutations (ripretinib, n = 35; sunitinib, n = 35; Ex11 ITT population). By data cut-off (20 July 2022), in AP ITT population, PFS by IRR was comparable between ripretinib and sunitinib arms (HR 0·99, 95 % CI 0·57, 1·69; nominal p = 0·92; median PFS [mPFS] 10·3 vs 8·3 months). In Ex11 ITT population, PFS by IRR was longer for ripretinib than sunitinib (HR 0·46, 95 % CI 0·23, 0·92; nominal p = 0·03; mPFS not reached in ripretinib arm and 4·9 months in sunitinib arm). Fewer patients experienced grade 3/4 treatment-related treatment-emergent adverse events with ripretinib (17%) versus sunitinib (56%).Ripretinib demonstrated similar efficacy and a favorable safety profile versus sunitinib as second-line treatment in Chinese GIST patients. Furthermore, ripretinib provided greater clinically meaningful benefit versus sunitinib in patients with KIT exon 11 mutation.Copyright © 2023. Published by Elsevier Ltd.

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大类 | 1 区 医学
小类 | 2 区 肿瘤学
最新[2023]版:
大类 | 1 区 医学
小类 | 2 区 肿瘤学
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Q1 ONCOLOGY
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Q1 ONCOLOGY

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第一作者机构: [1]Peking University Cancer Hospital & Institute, Beijing, China
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通讯机构: [1]Peking University Cancer Hospital & Institute, Beijing, China [*1]Peking University Cancer Hospital & Institute, 52 Fucheng Rd, Beijing, China.
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