Study of the Combination of Crizotinib and Dasatinib in Pediatric Research Participants With Diffuse Pontine Glioma (DIPG) and High-Grade Glioma (HGG)

"Starting dose level:~* Initial Treatment Plan: 130 mg/m\^2 per dose~* Modified Treatment Plan per Amendment 1.0: 165 mg/m\^2 per dose~The dose of a single agent will be increased by approximately 30% in each subsequent cohort until the MTD of this combination is reached.~The doses of each agent will not exceed their single-agent MTD already determined for children with recurrent solid tumors.~Cycle 1 (28 days): once a day for 28 days~Cycles 2-26 (28 days each): once a day"

"Starting dose level: 50 mg/m\^2 per dose~The dose of a single agent will be increased by approximately 30% in each subsequent cohort until the MTD of this combination is reached.~The doses of each agent will not exceed their single-agent MTD already determined for children with recurrent solid tumors.~Cycle 1 (28 days): starting on day 3, once a day for 28 days~Cycles 2-26 (28 days each): once a day"