Published July 2017 | Version v1
Journal article

Poorly differentiated gastro-entero-pancreatic neuroendocrine carcinomas: Are they really heterogeneous? Insights from the FFCD-GTE national cohort

Others:
Hospices Civils de Lyon (HCL)
Centre hospitalier universitaire de Poitiers (CHU Poitiers)
Institut Gustave Roussy (IGR)
Fédération Francophone de la Cancérologie Digestive, FFCD
CHU Trousseau [Tours] ; Centre Hospitalier Régional Universitaire de Tours (CHRU Tours)
Hôpital Beaujon ; Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Université Paris Diderot - Paris 7 (UPD7)-Hôpital Beaujon [AP-HP] ; Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)
CHU Pontchaillou [Rennes]
CHU Valenciennes
Centre Hospitalier Universitaire de Toulouse (CHU Toulouse)
Hôpital Cochin [AP-HP] ; Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)
Hôpital Européen Georges Pompidou [APHP] (HEGP) ; Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpitaux Universitaires Paris Ouest - Hôpitaux Universitaires Île de France Ouest (HUPO)
CHU de Lille
Hôpital Bicêtre ; Université Paris-Sud - Paris 11 (UP11)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpital Bicêtre
Hôpital de la Timone [CHU - APHM] (TIMONE)
Centre Hospitalier Universitaire d'Angers (CHU Angers) ; PRES Université Nantes Angers Le Mans (UNAM)
Service de Gastro-entérologie [Avicenne] ; Université Paris 13 (UP13)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpital Avicenne [AP-HP] ; Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)
Hôpital de la source
CHU Lyon
Centre Hospitalier Universitaire de Dijon - Hôpital François Mitterrand (CHU Dijon)
Hôpital Robert Debré, Service d'Hépato-gastroentérologie, 51092 Reims, France ; affiliation inconnue
CHU Estaing [Clermont-Ferrand] ; CHU Clermont-Ferrand
Hôpital Haut-Lévêque ; Université Sciences et Technologies - Bordeaux 1 (UB)-CHU Bordeaux [Bordeaux]
Hôpital Côte de Nacre [CHU Caen] ; CHU Caen ; Normandie Université (NU)-Tumorothèque de Caen Basse-Normandie (TCBN)-Normandie Université (NU)-Tumorothèque de Caen Basse-Normandie (TCBN)
Clinique Saint-Jean Languedoc [Toulouse] (CSJL)
CHU Amiens-Picardie
Hôpital Duchenne ; CH Boulogne sur Mer
Polyclinique Francheville ; Polyclinique Francheville
Centre Catherine-de-Sienne [Nantes] (CCS)
Polyclinique Bordeaux Nord Aquitaine
Hôpital Michallon
CH du Haut Anjou (Château-Gontier)
CH Annecy Genevois
CHU Pitié-Salpêtrière [AP-HP] ; Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)
Centre Hospitalier du pays de Morlaix
Hôpital Saint-Joseph, Assistance Publique-Hôpitaux de Paris
Cabinet privé des Dr Geslin Provost (Vannes)
CHU Rouen ; Normandie Université (NU)
CHU Dupuytren
CHU Dijon ; Centre Hospitalier Universitaire de Dijon - Hôpital François Mitterrand (CHU Dijon)
Clinique Mutualiste de l'Estuaire (Saint Nazaire)
Hospices Civils de Beaune [Centre hospitalier de Beaune]
Centre de radiothérapie et d'oncologie médicale privée (Béziers)
Centre de Lutte contre le Cancer Antoine Lacassagne [Nice] (UNICANCER/CAL) ; UNICANCER-Université Côte d'Azur (UCA)

Description

BackgroundDiagnosis and management of poorly differentiated gastro-entero-pancreatic (GEP) neuroendocrine carcinomas (NECs) remain challenging. Recent studies suggest prognostic heterogeneity. We designed within the French Group of Endocrine Tumours a prospective cohort to gain insight in the prognostic stratification and treatment of GEP-NEC.Patients and methodsAll patients with a diagnosis of GEP-NEC between 1st January 2010 and 31st December 2013 could be included in this national cohort. Adenoneuroendocrine tumours were excluded.Results253 patients from 49 centres were included. Median age was 66 years. Main primary locations were pancreas (21%), colorectal (27%), oesophagus-stomach (18%); primary location was unknown in 20%. Tumours were metastatic at diagnosis in 78% of cases. Performance status (PS) at diagnosis was 0–1 in 79% of patients. Among the 147 (58%) cases reviewed by an expert pathological network, 39% were classified as small cell NEC and 61% as large cell NEC. Median Ki67 index was 75% (range, 20–100). Median overall survival was 15.6 (13.6–17.0) months. Significant adverse prognostic factors in univariate analysis were PS > 1 (hazard ratio [HR] = 2.5), metastatic disease (HR = 1.6), NSE > 2 upper limit of normal [ULN]; HR = 3.2), CgA > 2 ULN (HR = 1.7) and lactate dehydrogenase >2 ULN (HR = 2.1). After first-line palliative chemotherapy (CT1) with platinum-etoposide (n = 152), objective response, progression-free survival and overall survival were 50%, 6.2 and 11.6 months; they were 24%, 2.9 and 5.9, respectively, after post-CT1 FOLFIRI regimen (n = 72).ConclusionsWe report a large prospective series of GEP-NEC which show the predominance of large cell type and advanced stage at diagnosis. Prognosis was found more homogeneous than previously reported, mainly impacted by PS and tumour burden.

Abstract

IF 6.029

Abstract

International audience

Additional details

Created:
February 28, 2023
Modified:
November 28, 2023