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On August 6 , 1999 , Hoffmann-La Roche announced that the preliminary results from Phase III clinical trials had not shown that sibrafiban was better than aspirin in preventing recurrent ischemic events in patients suffering from acute coronary syndrome .
 Hoffmann-La Roche
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Hoffmann-La Roche