13813
However , a prospective clinical study , COGENT , and several large meta - analyses have failed to demonstrate a negative effect on major adverse cardiovascular events ( MACE ) , with concomitant administration of clopidogrel and PPIs .
 Chemical: clopidogrel
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: clopidogrel