1157
The combination therapy of interferon alpha and ribavirin was given to a 50-year-old female with CHC who had not responded to a previous treatment by interferon alpha.
 ( potential therapeutic event: given ,  a 50-year-old female with CHC who had not responded to a previous treatment by interferon alpha: Subject, 50-year-old: Subject.Age, female: Subject.Gender, combination therapy of interferon alpha and ribavirin: Treatment, CHC: Treatment.Disorder, interferon alpha: Treatment.Drug, ribavirin: Treatment.Drug, interferon alpha: Combination.Drug, ribavirin: Combination.Drug) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: adverse event,potential therapeutic event, Arguments type: Treatment.Disorder,Treatment.Time_elapsed,Treatment.Dosage,Subject.Race,Treatment.Drug,Treatment.Route,Subject.Disorder,Treatment.Freq,Treatment,Effect,Subject.Population,Treatment.Duration,Combination.Drug,Subject,Subject.Age,Subject.Gender. 
Text: {0} 
Answer:
 ( potential therapeutic event: given ,  a 50-year-old female with CHC who had not responded to a previous treatment by interferon alpha: Subject, 50-year-old: Subject.Age, female: Subject.Gender, combination therapy of interferon alpha and ribavirin: Treatment, CHC: Treatment.Disorder, interferon alpha: Treatment.Drug, ribavirin: Treatment.Drug, interferon alpha: Combination.Drug, ribavirin: Combination.Drug) 