Clinical Trials Logo

Clinical Trial Summary

Prospective clinical trial investigating combined, dual 18F-FDG PET/CT and 64Cu-DOTATATE PET/CT imaging of patients with gastroenteropancreatic neuroendocrine neoplasms (GEP-NEN)


Clinical Trial Description

Patients with neuroendocrine neoplasms (NEN) represent a heterogeneous disease group with variable prognosis. NEN most frequently arise from the gastrointestinal tract or the pancreas; collectively termed GEP-NEN. Grading of GEP-NEN is based on tumor proliferation index (Ki-67) from biopsies or surgical resection specimens into: low grade G1 neuroendocrine tumor (NET) (Ki-67<3%), intermediate grade G2 NET (Ki-67 3-20%) and high grade NEN (Ki-67%>20). High grade NENs are further categorized according to tissue morphology into well-differentiated G3 neuroendocrine tumors (NET) and poorly differentiated neuroendocrine carcinomas (NEC). A common feature of most NETs is the overexpression of somatostatin receptors (SSR) on the tumor cell surface. Whole-body PET/CT imaging with radiolabelled SSR-targeted tracers, e.g. 64Cu-DOTATATE, plays a key role in diagnosis, staging, treatment selection and response evaluation of patients with NET. Measurements of 64Cu-DOTATATE tumor standardized uptake values (SUV) and tumor volume on PET/CT provide prognostic value for patients with NET. Patients with high grade NEN often have lower SSR expression and SSR PET/CT is infrequently routinely performed in these patients. However, we expect that the SUV and tumor volume from 64Cu-DOTATATE PET/CT also holds prognostic information for patients with high grade NEN and that some patients may prove eligible for PRRT based on the scans. 18F-FDG PET/CT imaging is widely used in cancers, but is routinely primarily reserved for patients with high grade NEN. However, 18F-FDG PET/CT also holds prognostic information for patients with lower grade NET. By combining 64Cu-DOTATATE PET/CT and 18F-FDG PET/CT imaging, we expect to obtain complementary prognostic information for patients with GEP-NEN of all grades. In this clinical trial, we will therefore investigate and compare the tumor phenotypes found on 64Cu-DOTATATE PET/CT and 18FDG PET/CT performed within 4 weeks in patients with GEP-NET G1-3 and GEP-NEC. The aim of the trial is to establish prognostic models for progression-free-survival (PSF) and overall survival (OS) including tumor status (positive/negative), SUV measurements, and tumor volume derived from the dual 64Cu-DOTATATE PET/CT and 18FDG PET/CT scans. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05709171
Study type Interventional
Source Rigshospitalet, Denmark
Contact
Status Enrolling by invitation
Phase Phase 2
Start date January 17, 2023
Completion date January 1, 2026

See also
  Status Clinical Trial Phase
Completed NCT01218555 - Study of Everolimus (RAD001) in Combination With Lenalidomide Phase 1
Recruiting NCT03412877 - Administration of Autologous T-Cells Genetically Engineered to Express T-Cell Receptors Reactive Against Neoantigens in People With Metastatic Cancer Phase 2
Recruiting NCT04614766 - A Clinical Trial Evaluating the Safety of Combining Lutathera(R) and Azedra(R) to Treat Mid-gut Neuroendocrine Tumors Phase 1/Phase 2
Recruiting NCT05556473 - F-Tryptophan PET/CT in Human Cancers Phase 1
Completed NCT03273712 - Dosimetry-Guided, Peptide Receptor Radiotherapy (PRRT) With 90Y-DOTA- tyr3-Octreotide (90Y-DOTATOC) Phase 2
Recruiting NCT05636618 - Targeted Alpha-Particle Therapy for Advanced SSTR2 Positive Neuroendocrine Tumors Phase 1/Phase 2
Terminated NCT03986593 - Cryoablation of Bone Metastases From Endocrine Tumors N/A
Recruiting NCT04584008 - Targeted Agent Evaluation in Digestive Cancers in China Based on Molecular Characteristics N/A
Completed NCT02815969 - The Indol Profile; Exploring the Metabolic Profile of Neuroendocrine Tumors
Completed NCT02441062 - Impact of Ga-68 DOTATOC PET-CT Imaging in Management of Neuroendocrine Tumors Phase 2
Active, not recruiting NCT02174549 - Dose-defining Study of Tirapazamine Combined With Embolization in Liver Cancer Phase 1/Phase 2
Completed NCT02134639 - PET-CT Imaging of Neuro-endocrine Tumors and Preliminary Clinical Evaluation N/A
Completed NCT02132468 - A Ph 2 Study of Fosbretabulin in Subjects w Pancreatic or Gastrointestinal Neuroendocrine Tumors w Elevated Biomarkers Phase 2
Recruiting NCT01201096 - Neo-adjuvant Peptide Receptor Mediated Radiotherapy With 177Lutetium in Front of Curative Intended Liver Transplantation in Patients With Hepatic Metastasis of Neuroendocrine Tumors (NEO-LEBE) N/A
Terminated NCT01163526 - Perfusion CT as a Predictor of Treatment Response in Patients With Hepatic Malignancies N/A
Completed NCT01099228 - Combination Targeted Radiotherapy in Neuroendocrine Tumors N/A
Completed NCT00171873 - Antiproliferative Effect of Octreotide in Patients With Metastasized Neuroendocrine Tumors of the Midgut Phase 3
Active, not recruiting NCT05077384 - Open-label Study of Surufatinib in Japanese Patients Phase 1/Phase 2
Recruiting NCT04544098 - Lutathera in People With Gastroenteropancreatic (GEP), Bronchial or Unknown Primary Neuroendocrine Tumors That Have Spread to the Liver Early Phase 1
Active, not recruiting NCT02736500 - Peptide Receptor Radionuclide Therapy With 177Lu-Dotatate Associated With Metronomic Capecitabine In Patients Affected By Aggressive Gastro-Etero-Pancreatic Neuroendocrine Tumors Phase 1/Phase 2