A Study to Compare the Efficacy and Safety of LY01015 and Opdivo® Combined Respectively With Chemotherapy in Advanced or Metastatic Esophageal Squamous Cell Carcinoma

Required: PD-L1 (CD274) TPS ≥1% (TPS ≥1%)

tumor tissue samples must be provided for PD-L1 expression analysis, and PD-L1 TPS≥1%

Cannot have received: anti-PD-1 therapy

Received prior treatment with an anti-PD-1, anti-PD-L1, anti-PD-L2, anti-CD137 or anti-CTLA-4 agent or any other antibody or drug specifically targeting T-cell co-stimulation or checkpoint pathways

Cannot have received: anti-PD-L1 therapy

Received prior treatment with an anti-PD-1, anti-PD-L1, anti-PD-L2, anti-CD137 or anti-CTLA-4 agent or any other antibody or drug specifically targeting T-cell co-stimulation or checkpoint pathways

Cannot have received: anti-PD-L2 therapy

Received prior treatment with an anti-PD-1, anti-PD-L1, anti-PD-L2, anti-CD137 or anti-CTLA-4 agent or any other antibody or drug specifically targeting T-cell co-stimulation or checkpoint pathways

Cannot have received: anti-CD137 therapy

Received prior treatment with an anti-PD-1, anti-PD-L1, anti-PD-L2, anti-CD137 or anti-CTLA-4 agent or any other antibody or drug specifically targeting T-cell co-stimulation or checkpoint pathways

Cannot have received: anti-CTLA-4 therapy

Received prior treatment with an anti-PD-1, anti-PD-L1, anti-PD-L2, anti-CD137 or anti-CTLA-4 agent or any other antibody or drug specifically targeting T-cell co-stimulation or checkpoint pathways

Cannot have received: cisplatin (cisplatin)

Exception: cumulative exposure dose ≤300 mg/m2 and time from last dose to randomization >12 months

Prior cumulative exposure dose of cisplatin>300 mg/m2 and time from the last dose of cisplatin to randomization ≤12 month

Cannot have received: systemic chemotherapy

Exception: neoadjuvant, adjuvant or definitive therapy for locally advanced disease permitted if time from last dose to recurrence >24 weeks

not received prior systemic anti-cancer therapy for progressive or metastatic disease. Prior neoadjuvant, adjuvant or definitive radiotherapy/chemoradiotherapy/chemotherapy for locally advanced diseases is permitted if time from the last dose to recurrence> 24 weeks

Cannot have received: targeted therapy

Received systemic chemotherapy, targeted therapy, immunosuppressants, immunostimulants, biological agents, Chinese herbal medicines for anti-tumor indications (prescription or medical record required), Chinese patent drug or any other investigational agents or participated in interventional clinical study within 4 weeks (or five half-lives, whichever is longer) prior to the first dose

Cannot have received: immunosuppressant

Received systemic chemotherapy, targeted therapy, immunosuppressants, immunostimulants, biological agents, Chinese herbal medicines for anti-tumor indications (prescription or medical record required), Chinese patent drug or any other investigational agents or participated in interventional clinical study within 4 weeks (or five half-lives, whichever is longer) prior to the first dose

Cannot have received: immunostimulant

Received systemic chemotherapy, targeted therapy, immunosuppressants, immunostimulants, biological agents, Chinese herbal medicines for anti-tumor indications (prescription or medical record required), Chinese patent drug or any other investigational agents or participated in interventional clinical study within 4 weeks (or five half-lives, whichever is longer) prior to the first dose

Cannot have received: biological agent

Received systemic chemotherapy, targeted therapy, immunosuppressants, immunostimulants, biological agents, Chinese herbal medicines for anti-tumor indications (prescription or medical record required), Chinese patent drug or any other investigational agents or participated in interventional clinical study within 4 weeks (or five half-lives, whichever is longer) prior to the first dose

Cannot have received: Chinese herbal medicine

Received systemic chemotherapy, targeted therapy, immunosuppressants, immunostimulants, biological agents, Chinese herbal medicines for anti-tumor indications (prescription or medical record required), Chinese patent drug or any other investigational agents or participated in interventional clinical study within 4 weeks (or five half-lives, whichever is longer) prior to the first dose

Cannot have received: Chinese patent drug

Received systemic chemotherapy, targeted therapy, immunosuppressants, immunostimulants, biological agents, Chinese herbal medicines for anti-tumor indications (prescription or medical record required), Chinese patent drug or any other investigational agents or participated in interventional clinical study within 4 weeks (or five half-lives, whichever is longer) prior to the first dose

Cannot have received: investigational agent

Received systemic chemotherapy, targeted therapy, immunosuppressants, immunostimulants, biological agents, Chinese herbal medicines for anti-tumor indications (prescription or medical record required), Chinese patent drug or any other investigational agents or participated in interventional clinical study within 4 weeks (or five half-lives, whichever is longer) prior to the first dose