15919
Given that roflumilast is recommended as an " add - on " medication to patients with severe disease who will inevitably be taking a long - acting beta 2 - adrenoceptor agonist ( LABA ) / ICS combination therapy , we tested the hypothesis that roflumilast augments the ability of glucocorticoids to induce genes with anti - inflammatory activity .
 Chemical: roflumilast; Chemical: roflumilast
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: roflumilast; Chemical: roflumilast