23905
Rates for nausea and vomiting were 22 . 7 and 9 . 4 % for lixisenatide morning and 21 . 2 and 13 . 3 % for lixisenatide evening versus 7 . 6 and 2 . 9 % for placebo , respectively .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 None