{"denomUnitsSelected":"Participants","description":"Progression-free survival is defined as the time from registration to the appearance of new metastatic lesions or objective tumor progression or death, whichever occurs first. Kaplan-Meier estimate was used to characterize progression-free survival.","reportingStatus":"NOT_POSTED","timeFrame":"Assessed every 3 months for 2 years, then every 6 months, up to 5 years","title":"Usefulness of Biomarkers in Predicting Progression-free Survival","type":"OTHER_PRE_SPECIFIED"}