2253
This decision was made based upon a recommendation of the Independent Data Monitoring Committee ( IDMC ) to stop the trial " for safety concerns due to excess serious adverse events and mortality in the bardoxolone methyl arm . "
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None