{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","value":"81.0"},{"groupId":"OG001","value":"76.9"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"290"},{"groupId":"OG001","value":"294"}],"units":"Participants"}],"description":"PFS was defined as the time from the date of randomization to the date of the first documentation of progressive disease (PD) or date of death, whichever occurs first. For target lesions (TL), PD was defined as at least a 20 percent (%) increase in the sum of the longest diameter (SLD) of TLs, taking as a reference the smallest SLD recorded since the treatment started, or the appearance of one or more lesions. For non-target lesions (NTL), PD was defined as an unequivocal progression of existing NTLs. Participants were censored at the last date of tumor measurement, the last date in the study drug log, or the date of last follow-up.","groups":[{"description":"Participants received fluoropyrimidine (EITHER 5-FU or capecitabine, at the investigator's discretion) and cisplatin once every 3 weeks (one cycle) for a maximum of 6 cycles as follows: cisplatin 80 mg/m\\^2, IV, on Day 1 and EITHER: 5-FU 800 mg/m\\^2 continuous IV infusion on Days 1 through 5 OR capecitabine 1000 mg/m\\^2, tablets, PO, BID from the evening of Day 1 through the morning of Day 15.","id":"OG000","title":"Fluoropyrimidine/Cisplatin (FP)"},{"description":"Participants received trastuzumab plus fluoropyrimidine (EITHER 5-FU or capecitabine, at the investigator's discretion) and cisplatin once every 3 weeks (one cycle) for a maximum of 6 cycles (except as noted) as follows: trastuzumab 8 mg/kg, IV, on Day 1 (Cycle 1), followed by 6 mg/kg, IV (Cycles 2 onward, administered until disease progression); cisplatin 80 mg/m\\^2 IV on Day 1; and EITHER 5-FU 800 mg/m\\^2 continuous IV infusion on Days 1 through 5 OR capecitabine 1000 mg/m\\^2 tablets, PO BID from the evening of Day 1 through the morning of Day 15.","id":"OG001","title":"Trastuzumab + Fluoropyrimidine/Cisplatin (FP + H)"}],"paramType":"NUMBER","populationDescription":"FAS","reportingStatus":"POSTED","timeFrame":"BL, Days 43, 85, and 127, and every 21 days thereafter until disease progression or the end of study, 1 year after the cut-off date for the 2nd interim efficacy analysis","title":"Progression-Free Survival (PFS) - Percentage of Participants With an Event","type":"SECONDARY","unitOfMeasure":"percentage of participants"}