Nivolumab plus chemotherapy or ipilimumab versus chemotherapy as first-line treatment for advanced esophageal squamous cell carcinoma: 5-year follow-up results from CheckMate 648.
BACKGROUND Nivolumab plus chemotherapy and nivolumab plus ipilimumab both demonstrated significant overall survival (OS) benefit compared with chemotherapy for patients with previously untreated advanced esophageal squamous cell carcinoma (ESCC). We report OS and additional analyses at a minimum follow-up of 5 years....