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To our knowledge , this is the first published case report of severe neurotoxicity caused by nelarabine in a patient who received concurrent IT chemotherapy .
 Disease: neurotoxicity; Chemical: nelarabine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: neurotoxicity; Chemical: nelarabine