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11C Methionine PET for the Detection of Hyperfunctional Parathyroid Tissues

Primary Hyperparathyroidism Clinical Trial

Official title:
Pre-operative Parathyroid Imaging: a Comparison of 11C-Methionine PET, 18F-FDG PET AND SPEC-CT for the Detection of Hyperfunctional Parathyroid Tissues

Clinical Trial Summary

The overall sensitivity and specificity of 11C-MET PET/CT is superior to 18F-FDG PET/CT and conventional SPECT-CT for the detection of abnormal parathyroid glands.

Clinical Trial Description

STUDY OBJECTIVES Primary: To compare the accuracy, sensitivity and specificity of 11C-methionine (MET) PET/CT and 99mTc-MIBI SPECT-CT in the detection of pathologic parathyroid glands in patients with primary hyperparathyroidism.

Secondary:To compare the accuracy, sensitivity and specificity of 11C-MET and 18F-FDG PET/CT scans in the detection of pathologic parathyroid glands in patients with primary hyperparathyroidism.

STUDY DESIGN A phase II diagnostic imaging, single-centre study to compare the accuracy of 11C-MET PET/CT with standard 99mTc-MIBI SPECT-CT and with 18F-FDG PET/CT imaging in patients with primary hyperparathyroidism.

STUDY POPULATION Number of Subjects: 50 patients Number of groups: 1: 50 with primary hyperparathyroidism. Age/Gender: Age greater than or equal to 19 years / Male and Female Study specific requirements: Subjects with clinically suspected primary hyperparathyroidism who require 99mTc-MIBI SPECT-CT parathyroid imaging.

INVESTIGATIONAL PRODUCT Product: 11C-Methionine Route of administration: Intravenous Dosage(s) and frequency: Radioactive dose of 11C-Methionine of 6 MBq per kilogram body weight per injection (maximum dose of 555 MBq); one injection per patient.

COMPARATOR PRODUCTS Product: 99mTc-Methoxyisobutylisonitrite; 18F-Fluorodeoxyglucose Route of administration: Intravenous Dosage(s) and frequency: (1) Radioactive dose of 99mTc-Methoxyisobutylisonitrite of 555 - 740 MBq per injection; one injection per patient. (2) Radioactive dose of 18F-Fluorodeoxyglucose of 296 - 521 MBq per injection; one injection per patient.

EVALUATION CRITERIA Efficacy: The comparison of the accuracy, sensitivity, and specificity of 11C-MET PET/CT with 99mTc-MIBI SPECT-CT and 18F-FDG PET/CT in the detection of pathologic parathyroid glands in patients with primary hyperparathyroidism.

Safety: Vital signs before and following 11C-MET administration; adverse events collection. ;

Study Design

Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Diagnostic

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01783002
Study type Interventional
Source University of British Columbia
Contact Hayley Corbett
Phone 604-877-6000
Email hayley.corbett@bccancer.bc.ca
Status Recruiting
Phase Phase 2
Start date May 2014
Completion date July 2018
View Details
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