Overview Study to Evaluate Efficacy of PDR001 in Patients With Squamous Cell Carcinoma of the Esophagus Status: Active, not recruiting Trial end date: 2024-01-01 Target enrollment: Participant gender: Summary Single arm phase II PDR001( 300mg, IV) will be treated every 3 weeks Phase: Phase 2 Details Lead Sponsor: Yonsei UniversityTreatments: AntibodiesSpartalizumab