Key Inclusion Criteria:
- Age: 6 Years to 17 Years
- Diagnosis of BRAF V600 mutant High Grade glioma that has relapsed, progressed or failed to respond to frontline therapy
- Diagnosis of BRAF V600 mutant Low Grade glioma whose tumor is unresectable and who require treatmentConfirmed measurable disease
Key Exclusion Criteria:
- Previous treatment with dabrafenib, trametinib, other RAF inhibitor, other MEK or ERK inhibitorCancer treatment within the past 3 weeks
- Stem cell transplant within the past 3 months
- History of heart disease
- Pregnant or lactating females