144438
Naltrexone can have markedly different pharmacokinetics at ultra-low doses which may include , the attenuation of a pre-established opioid tolerance , the prevention of tolerance from the oxycodone in the formulation , and the possible amplification of oxycodone .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None