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Treatment Using 177Lu-DOTA-EB-TATE in Patients With Advanced Neuroendocrine Tumors

Neuroendocrine Tumors Clinical Trial

Official title:
Treatment of a Long-lasting Radiolabeled Somatostatin Analogue 177Lu-DOTA-EB-TATE in Patients With Advanced Metastatic Neuroendocrine Tumors

Clinical Trial Summary

This is a prospective study to investigate the long-lasting radiolabeled somatostatin analogue based peptide receptor radionuclide therapy and evaluate response to 177Lu-DOTA-EB-TATE in patients with advanced metastatic neuroendocrine tumors. Different groups with doses of 0.37GBq-0.74GBq (10-20 mCi) and 1.85GBq (50 mCi)of 177Lu-DOTA-EB-TATE, 3.7GBq (100 mCi)of 177Lu-DOTA-TATE will be injected intravenously. Besides, we evaluated the safety and dosimetry of 3.7GBq (100 mCi) of 177Lu-DOTA-EB-TATE with and without amino acid infusion. All patients will undergo 68Ga-DOTATATE PET/CT scans before and after the treatment.

Clinical Trial Description

Neuroendocrine tumors (NETs) are a heterogeneous group of neoplasms that can develop anywhere in the body and arise from neuroendocrine cells throughout the endocrine system. The most recent NCCN guidelines for unresectable and metastatic NET recommend somatostatin analogues as first-line treatment, but do not recommend a particular treatment sequence for the remaining therapies. Radiolabeled somatostatin analogue therapy, also known as peptide receptor radionuclide therapy has become a well-accepted treatment for patients with well to moderately differentiated unresectable or metastatic NETs and disease progression after first-line treatment. However, a major problem in the therapeutic use of 177Lu-Dotatate has been its short half-life and fast rate of clearance. Kidney is considered one of the dose-limiting organs in peptide receptor radionuclide therapy (PRRT). Amino acid has been infused to reduce renal absorbed dose by inhibiting the proximal tubular reabsorption of the radiopeptide. This study was designed to compare the efficacy of a long-lasting radiolabeled somatostatin analogue 177Lu-DOTA-EB-TATE with 177Lu-DOTA-TATE in patients with advanced metastatic neuroendocrine tumors and evaluate the safety and dosimetry of 3.7GBq (100 mCi) of 177Lu-DOTA-EB-TATE with and without amino acid infusion. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03478358
Study type Interventional
Source Peking Union Medical College Hospital
Contact Hao Wang, PhD
Phone +86 10 69154196
Email 474556259@qq.com
Status Recruiting
Phase Phase 1
Start date April 30, 2017
Completion date May 1, 2023
View Details
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