9866
Single intravenous infusions of GSK249320 ( 0 . 04 , 0 . 4 , 1 . 2 , 3 . 5 , 10 , and 25 mg / kg ) or placebo were administered to 47 healthy subjects aged 18 - 60 years .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None