22988
The changes from baseline to 4 months in HbA1c were not significant for the AZD1656 40 - 200 mg group versus placebo [ mean ( 95 % CI ) placebo - corrected change : - 0 . 22 ( - 0 . 65 , 0 . 20 ) % ; p = 0 . 30 ] .
 AZD1656
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 AZD1656