4168
Following polytherapy according to the CMF regimen , a statistically significant decrease ( p = 0 . 0343 ) in creatinine clearance was found , but creatinine concentration did not increase significantly compared to controls .
 creatinine, creatinine
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 creatinine, creatinine