4203
Healthy subjects received the following regimens , dosed to steady state : trovafloxacin 300 mg / 24 h ; ciprofloxacin 400 mg / 12 h ; trovafloxacin 300 mg / 24 h plus cefepime 2 g / 12 h , and ciprofloxacin 400 mg / 12 h plus cefepime 2 g / 12 h .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None