P-197VOYAGER: an open-label, randomised, phase 3 study of avapritinib vs regorafenib in patients with locally advanced metastatic or unresectable gastrointestinal stromal tumour. (2nd July 2019) - Bauer, S; George, S; Kang, Y; Jones, R; Mir, O; Tap, W; Doyle, A; Picazio, N; Zhou, T; Roche, M; Heinrich, M