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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),…

The effects of the proton pump inhibitor esomeprazole on the bioavailability of regorafenib in patients with a metastatic colorectal cancer (mCRC) or gastrointestinal stromal tumour (GIST).

To determine the influence of esomeprazole on the AUC of regorafenib in patients with mCRC or GIST.