1106
While the patient was receiving both drugs, platelet aggregation studies revealed less platelet inhibition than would be expected in a patient not taking a concomitant inducer of ticagrelor metabolism.
 adverse event: revealed 
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: revealed 