{"groups":[{"description":"In the during-chemotherapy phase, placebo will be given before gemcitabine and cisplatin, placebo will be administered at the dose of 240 mg Q3W,gemcitabine 1000 mg/m² IV over 30 minutes are given on Days 1 \\& 8, and cisplatin 80 mg/m² IV over 4 hours are given on Day 1 of each cycle. Chemotherapy is given Q3W for up to 6 cycles.\n\nDuring the post-chemotherapy phase, placebo and best supportive care (BSC) can be continued Q3W until excessive toxicity or progressive disease, withdrawal of consent, at the discretion of the Investigator or for a maximum of 2 years.","id":"FG000","title":"Placebo Combine With Chemotherapy"},{"description":"In the during-chemotherapy phase, JS001 will be given before gemcitabine and cisplatin, JS001 will be administered at the dose of 240 mg Q3W,gemcitabine 1000 mg/m² IV over 30 minutes are given on Days 1 \\& 8, and cisplatin 80 mg/m² IV over 4 hours are given on Day 1 of each cycle. Chemotherapy is given Q3W for up to 6 cycles .\n\nDuring the post-chemotherapy phase, JS001 and best supportive care (BSC) can be continued Q3W until excessive toxicity or progressive disease, withdrawal of consent, at the discretion of the Investigator or for a maximum of 2 years.","id":"FG001","title":"TORIPALIMAB INJECTION(JS001 )Combine With Chemotherapy"}],"periods":[{"dropWithdraws":[{"reasons":[{"groupId":"FG000","numSubjects":"67"},{"groupId":"FG001","numSubjects":"47"}],"type":"Death"},{"reasons":[{"groupId":"FG000","numSubjects":"2"},{"groupId":"FG001","numSubjects":"5"}],"type":"Withdrawal by Subject"},{"reasons":[{"groupId":"FG000","numSubjects":"7"},{"groupId":"FG001","numSubjects":"4"}],"type":"Lost to Follow-up"},{"reasons":[{"groupId":"FG000","numSubjects":"0"},{"groupId":"FG001","numSubjects":"1"}],"type":"reason other than specified above"}],"milestones":[{"achievements":[{"groupId":"FG000","numSubjects":"143"},{"groupId":"FG001","numSubjects":"146"}],"type":"STARTED"},{"achievements":[{"groupId":"FG000","numSubjects":"67"},{"groupId":"FG001","numSubjects":"89"}],"type":"COMPLETED"},{"achievements":[{"groupId":"FG000","numSubjects":"76"},{"groupId":"FG001","numSubjects":"57"}],"type":"NOT COMPLETED"}],"title":"Overall Study"}]}