Efficacy of Neoadjuvant Chemotherapy in Terms of DFS in Patients With Localized Digestive Neuroendocrine Carcinomas

2020-02-17 18:20:53 | BioPortfolio


NEONEC is a single-phase, phase II study evaluating the efficacy of the 12-month neoadjuvant chemotherapy in patients with locally differentiated digestive NEC. The recommended chemotherapy is based on the current reference combination of platinum (cisplatin or carboplatin) and etoposide (VP16). For anorectal locations, radiochemotherapy is proposed to avoid the morbidity of conventional surgery.

The objective of the study is to improve relapse-free survival (RFS) in NEC patients treated with neoadjuvant chemotherapy followed by surgery or chemoradiotherapy.

In parallel, we will perform a prospective cohort study with patients whose diagnosis is made during surgery, who have not received neoadjuvant treatment, and who are offered an adjuvant treatment of the same type (combination of platinum and platinum salts and etoposide).


A total of 48 patients is to be included in phase II and 30 patients in prospective cohort during the inclusion period of phase II.

Phase II study treatment:

Neoadjuvant chemothrapy: Administration of 4 cycles of chemotherapy (3 months) with platinum based chemotherapy (carboplatin or cisplatin, at the choice of the investigator) + etoposide.

Surgery or chemoradiotherapy depending on the tumor localization (the irradiation modalities and associated chemotherapy treatment will be left to the discretion of the referring radiotherapists according to current recommendations for each localization).

Prospective cohort:

- Surgery (prior to study entry)

- Adjuvant chemotherapy : Administration of 4 cycles of chemotherapy (3 months) with platinum based chemotherapy (carboplatin or cisplatin, at the choice of the investigator) + etoposide.

Study Design


Neuroendocrine Carcinoma


Neoadjuvant treatment, Adjuvant treatment


Not yet recruiting


GERCOR - Multidisciplinary Oncology Cooperative Group

Results (where available)

View Results


Published on BioPortfolio: 2020-02-17T18:20:53-0500

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A group of carcinomas which share a characteristic morphology, often being composed of clusters and trabecular sheets of round "blue cells", granular chromatin, and an attenuated rim of poorly demarcated cytoplasm. Neuroendocrine tumors include carcinoids, small ("oat") cell carcinomas, medullary carcinoma of the thyroid, Merkel cell tumor, cutaneous neuroendocrine carcinoma, pancreatic islet cell tumors, and pheochromocytoma. Neurosecretory granules are found within the tumor cells. (Segen, Dictionary of Modern Medicine, 1992)

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