17959
CONCLUSION : While both detemir and glargine , when added to metformin therapy , improved glycaemic control , glargine resulted in greater reductions in HbA1c , while detemir demonstrated less weight gain and hypoglycaemia .
 metformin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 metformin