Neuroendocrine tumors of the lung include the small cell carcinoma (SCLC), and large cell neuroendocrine carcinoma (LCNEC) and represent 20% of lung cancer. One of the only studies reported to date is reporting on a progression-free survival (PFS) and overall survival (OS) of 5.2 months and 7.7 months, respectively. Poorly differentiated gastroentero-pancreatic neuroendocrine carcinomas (GEP-NEC) represent a small sub-group of digestive NENs, according to the studies, 7 to 21% of patients. However, their prognosis is more negative, with the 5-year survival at less than 20%. Many Phase III trials showed superiority in terms of efficacy and tolerance of nivolumab+/-ipilimumab versus standard chemotherapy in second-line treatment in metastatic solid tumors. Neuroendocrine tumors are considered as rare disease without therapeutic guidelines in this setting. The French academic oncology groups (IFCT, FFCD and GERCOR) have the opportunity to recruit a sufficient number of patients, in a reasonable period of time, to provide a proof-of-concept of the safety and efficacy of nivolumab+/-ipilimumab in this population.
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Objective response rate
Timeframe: 8 weeks after randomization