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An International, Multicenter, Open-label, Randomized, Phase 3 Study of BLU 285 vs Regorafenib in Patients with Locally Advanced Unresectable or Metastatic Gastrointestinal Stromal Tumor (GIST)

Primary Objective:* The primary objective is to demonstrate the efficacy of avapritinib based on progression-free survival (PFS) determined by central radiological assessment per modified Response Evaluation Criteria in Solid Tumors (mRECIST),…

A Phase 1 Study of BLU-285 in Patients with Gastrointestinal Stromal Tumors (GIST) and other Relapsed and Refractory Solid Tumors

Primary Objective:Part 1:- To determine the MTD and recommended phase 2 dose (RP2D) of avapritinib.- To determine the safety and tolerability of avapritinib.Part 2:* To determine the overall response rate (ORR) by RECIST criteria at the MTD/RP2D of…