Abstract CT030: STARTRK-NG: A phase 1/1b study of entrectinib in children and adolescents with advanced solid tumors and primary CNS tumors, with or without TRK, ROS1, or ALK fusions. Read more about Abstract CT030: STARTRK-NG: A phase 1/1b study of entrectinib in children and adolescents with advanced solid tumors and primary CNS tumors, with or without TRK, ROS1, or ALK fusions.