10758
In order to properly assess the clinical implications of such pharmacokinetic changes and recommend safe and effective dosage regimens , there is an urgent need for dose - optimization studies for all recommended first - and second - line agents , along with the different drug formulations , used in paediatric populations with P . falciparum .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None