Spots Global Cancer Trial Database for Echo-endoscopy Biopsy Impact on the Circulating Tumor Cell Level

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Trial Identification

Brief Title: Echo-endoscopy Biopsy Impact on the Circulating Tumor Cell Level

Official Title: Impact of Echo-endoscopy Biopsy on the Circulating Tumor Cell Level in the Portal System in Pancreatic Adenocarcinoma Management Care

Study ID: NCT04677244

Conditions

Cancer of Pancreas

Interventions

Blood sample in portal vein

Study Description

Brief Summary: The aim of this work is to evaluate the impact of endoscopic procedures on the circulating tumoral cells level in order to evaluate the potential effects of an endoscopic procedure in the management of pancreatic tumors.

Detailed Description: The study will include 42 evaluable patients suspected of having pancreatic cancer and for whom an echo-endoscopic biopsy (EUS-FNA) and/or biliary drainage is planned. In these patients, a 6 ml blood sample will be taken from the portal vein before and after the echo-endoscopic biopsy of the pancreatic mass to determine: * the level of circulating tumor cells (CTC) per milliliter of blood, * cytological characteristics of CTCs (isolated, clustered, giant, and clustered including other cell types). A peripheral blood sample will also be taken to evaluate peripheral CTC levels and cytological characteristics before and after biopsy, as well as one month after biopsy. Patients will be evaluated every 6 months as part of their follow-up to assess the progression of their pathology and morbidity.