22542
We then evaluated the interactions with the CYP3A inhibitor ketoconazole ( 400 mg q . d . ) after nanogram and regular doses of midazolam .
 ketoconazole, midazolam
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 ketoconazole, midazolam