Phase II Pediatric Study With Dabrafenib in Combination With Trametinib in Patients With HGG and LGG

Inclusion Criteria:

- 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 with progressive disease following
surgical excision, or non-surgical candidates with necessity to begin first systemic
treatment because of a risk of neurological impairment with progression.

- Confirmed measurable disease

Exclusion Criteria:

- Previous treatment with dabrafenib, trametinib, other RAF inhibitor, other MEK or ERK
inhibitor

- HGG patient: Cancer treatment within the past 3 weeks. LGG patient: Any systemic
therapy or radiotherapy prior to enrollment

- LGG patients: history of allergic reaction or contraindications to the use of
carboplatin or vincristine

- Stem cell transplant within the past 3 months

- History of heart disease

- Pregnant or lactating females