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Ref Type Journal Article
PMID (37980854)
Authors Li J, Zhang J, Zhang Y, Qiu H, Zhou Y, Zhou Y, Zhang X, Zhou Y, Zhu Y, Li Y, Wang M, Shen K, Tao K, Wu X, Wang H, Zhang B, Ling J, Ye Y, Wu X, Qu H, Ma Y, Jiao X, Zheng H, Jin J, Liu Z, Tan M, Fang Y, Zhang P, Zhang N, Lei C, Cai Z, Liang B, Peng Z, Huang Z, Dong J, Shen L
Title 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.
Abstract Text 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.


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Molecular Profile Treatment Approach
Gene Name Source Synonyms Protein Domains Gene Description Gene Role
Therapy Name Drugs Efficacy Evidence Clinical Trials
Drug Name Trade Name Synonyms Drug Classes Drug Description
Gene Variant Impact Protein Effect Variant Description Associated with drug Resistance
Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
KIT exon11 gastrointestinal stromal tumor sensitive Ripretinib Phase II Actionable In a Phase II trial, second-line Qinlock (ripretinib) treatment demonstrated a favorable safety profile and resulted in similar median progression-free survival (mPFS) compared to Sutent (sunitinib) (10.3 vs 8.3 mo, HR=0.99, p=0.92) in patients with gastrointestinal stromal tumors previously treated with Gleevec (imatinib), longer mPFS (not reached vs 4.9 months, HR=0.46, p=0.03) was observed in patients harboring KIT exon 11 mutations (PMID: 37980854). 37980854