An Open Label, Multi-center Roll-over Study to Assess Long-term Effect in Pediatric Patients Treated With Tafinlar (Dabrafenib) and/or Mekinist (Trametinib)

Key Inclusion Criteria: All Subjects: * Written informed consent, according to local guidelines, signed by the subjects and/or by the parents or legal guardian prior to any study related screening procedures are performed. * Participation in a Novartis sponsored study such as CTMT212X2101, CDRB436G2201, CDRB436A2102, regardless of current age. * Parent study (or cohort of parent study) is planned to be closed. * Subject has demonstrated compliance, as assessed by the investigator, within the parent study protocol requirement(s). * Willingness and ability to comply with scheduled visits, trea…