{"denomUnitsSelected":"Participants","description":"To determine if relevant biomarkers correlate with response to treatment in each of the two arms. Unstained sections of tumor tissue and DNA extracted from whole blood will be used for mutational analysis (including PTEN, PIK3CA, KRAS, and CTNNB1 (beta-catenin) performed using a sequencing panel assay.","reportingStatus":"NOT_POSTED","timeFrame":"At study entry","title":"Mutation Analysis","type":"OTHER_PRE_SPECIFIED"}