The Novel Approach of Minimally Invasive Parathyroid Surgery Requires Precise Identification and Localization of the Lesion Prior to Exploration

October 21, 2010 updated by: Rambam Health Care Campus

A Novel Approach to Ultrafast Parathyroid SPECT Imaging Using a Solid State CZT SPECT Camera

Purpose of this study is to compare the image quality and diagnostic accuracy obtained with ultrafast solid state short SPECT in comparison with the routine SPECT protocol.

Study Overview

Status

Unknown

Conditions

Detailed Description

Single-tracer, dual-phase Tc-MIBI parathyroid scintigraphy is based on the differential washout rate of the tracer (MIBI) from the thyroid and the parathyroid tissue. A distinct focus of increased MIBI uptake relative to the thyroid gland, either on the early or late image or on both, or a focal uptake in the mediastinum, is considered positive for abnormal parathyroid tissue. Tc99m-MIBI planar scintigraphy was found to play a major role in the preoperative localization of a parathyroid adenoma (PTA), with a sensitivity ranging from 85% to 95% and specificity of up to 99%. Subsequently, the use of MIBI- Single photon emission computed tomography (SPECT) significantly improved the sensitivity of the test and improved the accuracy of lesion localization.

A limitation of adding the SPECT component is related to its relatively long duration. The duration of a MIBI-SPECT acquisition of neck and the mediastinal area may take up to 15-20 minutes using a standard nuclear medicine camera. Long acquisition time may lead to patient discomfort and movement resulting in image degradation, artifacts and may lead to overall decreased diagnostic accuracy.

A reduced SPECT acquisition time without image quality degradation may decrease patient discomfort and increase clinical throughput. An ultrafast solid state CZT camera (GE Healthcare Discovery 570C) is currently used for routine cardiac SPECT imaging achieving high quality cardiac studies for a significantly shorter acquisition time. Present study evaluates the potential use of the ultrafast camera in patients with a clinically suspected PTA who perform Tc-MIBI imaging.

Study Type

Observational

Enrollment (Anticipated)

50

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Israel
      • Haifa, Israel, 36029
        • Rambam Healthcare Campus

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 75 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Patients referred for the parathyroid scan.

Description

Inclusion Criteria:

1) The subject is 18 years old or older. (2) The subject is clinically suspected or known to have parathyroid adenoma and is scheduled to have a MIBI study as part of his/her standard clinical evaluation.

(3) The subject is able and willing to comply with the additional procedure (ultrafast MIBI SPECT) and a signed and dated informed consent is obtained before any procedure for study purposes is performed.

Exclusion Criteria:

  1. Pregnancy.
  2. Psychosis or any other condition, which, in the investigators opinion would prevent adherence to the study protocol.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Rambam Health Care Campus

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

January 1, 2011

Study Registration Dates

First Submitted

October 21, 2010

First Submitted That Met QC Criteria

October 21, 2010

First Posted (Estimate)

October 22, 2010

Study Record Updates

Last Update Posted (Estimate)

October 22, 2010

Last Update Submitted That Met QC Criteria

October 21, 2010

Last Verified

October 1, 2010

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 024-10-RMB_parathyroid

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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