12380
The study design was a 6 - week , double - blind , randomized controlled trial ( n = 75 ) involving chronic administration of kava ( one tablet of kava twice per day ; 120 mg of kavalactones per day , titrated in non - response to two tablets of kava twice per day ; 240 mg of kavalactones ) or placebo for participants with generalized anxiety disorder .
 Chemical: kavalactones; Chemical: kavalactones
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: kavalactones; Chemical: kavalactones