677
Gemcitabine is a known risk factor for hemolytic uremic syndrome (HUS), which can often have a rapidly fatal clinical course despite intervention with steroids, plasmapheresis and hemodialysis.
 adverse event: risk 
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: risk 