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Despite the in vitro analysis showing that the Fc gamma RIIIa 158 V / V genotype is associated with higher ADCC , clinical data do not support a predictive role of Fc gamma RIIIa polymorphisms in mCRC treated with cetuximab . The Pharmacogenomics Journal advance online publication , 8 January 2013 ; doi : 10 . 1038 / tpj . 2012 . 54 .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
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