{"description":"All-cause mortality includes all allocated participants. AEs include participants who received ≥1 dose of study treatment. Per protocol, disease progression was not considered an AE, unless related to study treatment. Thus, MedDRA preferred terms \"Neoplasm progression\", \"Malignant neoplasm progression\" and \"Disease progression\" not related to study treatment were excluded as AEs.","eventGroups":[{"deathsNumAffected":32,"deathsNumAtRisk":55,"description":"Adult participants received pembrolizumab (MK-3475) 200 mg or pediatric participants received 2 mg/kg (up to 200 mg) on Day 1 Q3W IV for up to 35 administrations (approximately 2 years).","id":"EG000","otherNumAffected":49,"otherNumAtRisk":55,"seriousNumAffected":24,"seriousNumAtRisk":55,"title":"Pembrolizumab 200 mg"}],"frequencyThreshold":"5","otherEvents":[{"assessmentType":"SYSTEMATIC_ASSESSMENT","organSystem":"Blood and lymphatic system disorders","sourceVocabulary":"MedDRA 26.1","stats":[{"groupId":"EG000","numAffected":9,"numAtRisk":55,"numEvents":11}],"term":"Anaemia"},{"assessmentType":"SYSTEMATIC_ASSESSMENT","organSystem":"Ear and labyrinth disorders","sourceVocabulary":"MedDRA 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