29991
Mice of advanced age chronically fed an HFD displayed clear and extensive pancreatic inflammation and peri - insulitis , mainly formed by CD3 - positive T cells , which were completely prevented by vildagliptin treatment .
 Chemical: vildagliptin
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: vildagliptin