The best objective intracranial response (according to RANO-BM) in 17 response evaluable pts was: PR in 5 pts (29%; incl. 4 BRAFmt pts), and SD in 5 pts (29%; incl. 4 BRAFmt pts)….In heavily pretreated patients with refractory MBM, REGO combined with BRAF/MEKi demonstrated promising anti-tumor activity.