Active clinical trials for "Neuroendocrine Tumors"

Gallium-68 DOTATOC is a material used to find neuroendocrine tumors (NETs) using positron emission tomography (PET scan). The material has already been shown to be better than the currently available imaging agents. This study is designed to evaluate the clinical impact of PET CT scanning using this agent in the evaluation and management of patients with NETs.

Imaging with CT (Computed Tomography) or MRI (Magnetic Resonance Imaging) is normally used to see how tumors respond to treatment. If tumors shrink after therapy, doctors continue with the same treatment. On the other hand, growing tumors in a patient can bring about a change in therapy. Unfortunately, it often takes three to six months, or even longer before the investigators see tumors shrink or grow on scans. Doctors are looking for new imaging tools that can look at how tumors respond early on during treatment. This study will help us decide if such an MRI technology called DWI (Diffusion Weighted Imaging) can be used as a helpful imaging tool.

An observational time and motion study in a clinical oncology setting is utilized in order to measure and compare product attributes and overall product efficiency between lanreotide and octreotide LAR.

The purpose of this study is to evaluate how well an investigational blood test performs. The study will look at the sensitivity and specificity of a blood-based multitranscriptome assay (NETest).

The aim of this study is to investigate the clinical value of [18F]aluminum fluoride-1,4,7-triazacyclononane-1,4,7-triacetic acid-octreotide（18F-AlF-NOTA-octreotide ） positron emission tomography / computed tomography (PET/CT) in patients with neuroendocrine neoplasms (NENs).

Neuroendocrine tumours (NETs) are a group of neoplasms generally arising from the gastroenteropancreatic tract. They are usually slow growing, have low malignant potential, and often go unnoticed until they become metastatic. The correct treatment approach is dependent on the extent of the disease, however surgical approaches and systemic therapy can be curative. Combined positron emission tomography/computed tomography (PET/CT) using the radiotracer 18F-6-L-fluorodihydroxyphenylalanine (18F-FDOPA) has been shown to be a promising non-invasive technique to help localizing NETs and guide their treatment.

Lung neuroendocrine tumor (LNT) represents approximately 20% of all lung cancers. The classification of LNT relies upon morphology. Recently, in the World Health Organization (WHO) classification, Ki-67 rate has been proposed for classi fication. It is, however, known that Ki-67 count has a poor interlaboratory reproducibly. For that reason, our team has looked for a new biomarker. GLUT1 protein a facilitative glucose transporter protein which has ubiquitous expression in mammalian. GLUT1 is overexpressed in many human cancers. But, no study has evaluated the GLUT1 staining as an aid diagnosis in LNT. The team have assessed the GLUT1 immunohistochemical staining in 36 LNT and to assess its diagnostic value.

To evaluate two competitive strategies in patients undergoing resection of Small-intestine Neuroendocrine neoplasms (Si-NEN): Prophylactic Cholecystectomy (PC) versus On-demand delayed cholecystectomy

This is a retrospective, monocentric study involving 50 patients with pancreatic neuroendocrine neoplasia resected between January 2008 and June 2020 at Paoli Calmettes Institute. The primary objective of the study is to evaluate the grade concordance rate, based on Ki67 obtained on the pre-operative micro-biopsy and the surgical specimen. Based on the histology slides obtained in the course of the treatment, several Ki67 recounts will be performed on pre-operative tumor micro-biopsies and on tumors resected after surgery: a manual count (on photo printed in the hotspot area according to World Health Organization (WHO) 2017 recommendations, by an expert pathologist and a junior pathologist. Automated counting using specific software based on artificial intelligence (Qpath software). On the other hand, clinical, surgical and anatomopathological data will be collected in order to follow the patient evolution.

Somatostatin receptor antagonists are emerging agents in molecular imaging of neuroendocrine tumors. There're two main antagonist peptides, namely JR11 and LM3, which can be coupled with different chelators, DOTA and NODAGA. Previous studies by our and other groups have revealed the different diagnostic performances of these tracers. However, head-to-head comparison data is still missing. In this study, we aim to evaluate the diagnostic performance of four different antagonists, that is, NODAGA-LM3, DOTA-LM3, and NODAGA-JR11, all labeled with gallium-68.