2607
We believe that a drug interaction between terfenadine and ketoconazole resulted in the elevated terfenadine levels in plasma and in the cardiotoxicity previously seen only in cases of terfenadine overdose.
 the elevated terfenadine levels in plasma and in the cardiotoxicity: Effect; a drug interaction between terfenadine and ketoconazole: Treatment; terfenadine: Treatment.Drug; ketoconazole: Treatment.Drug; terfenadine: Combination.Drug; ketoconazole: Combination.Drug
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: adverse event 
  Option: Treatment.Freq, Subject.Population, Combination.Drug, Subject.Gender, Treatment.Duration, Subject, Effect, Treatment, Treatment.Disorder, Subject.Disorder, Treatment.Route, Subject.Race, Treatment.Time_elapsed, Treatment.Dosage, Subject.Age, Treatment.Drug 
Text: {0} 
Answer:
 the elevated terfenadine levels in plasma and in the cardiotoxicity: Effect; a drug interaction between terfenadine and ketoconazole: Treatment; terfenadine: Treatment.Drug; ketoconazole: Treatment.Drug; terfenadine: Combination.Drug; ketoconazole: Combination.Drug