1968
A case is reported of an elderly woman who developed febrile agranulocytosis several weeks after commencing ticlopidine but who had a favorable outcome after cessation of that drug and treatment with filgastrim.
 adverse event: developed 
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: adverse event, potential therapeutic event 
Text: {0} 
Answer:
 adverse event: developed 