Other Clinical Trial - Radiotracer-Based Perfusion Imaging of Patients

Status Recruiting

Clinical Trial Summary

The aim of this clinical study is to 1) establish a healthy database for nuclear perfusion imaging of the lower extremities and 2) assess the prognostic value of radiotracer-based perfusion imaging for predicting clinical outcomes in patients with peripheral artery disease (PAD) who are undergoing lower extremity revascularization procedures. We hypothesize that radiotracer imaging of the lower extremities will provide a sensitive non-invasive imaging tool for quantifying regional abnormalities in skeletal muscle perfusion and evaluating responses to medical treatment.

Clinical Trial Description

PAD patients (n=80) with peripheral artery disease (PAD) who are scheduled to undergo lower extremity revascularization procedures will be recruited. Patients will be screened using a standard medical history questionnaire and a physical activity questionnaire. Once their questionnaires are reviewed, individuals who meet inclusion criteria will proceed with standard PAD screening, which will include Ankle-Brachial Indices (ABIs) and Toe-Brachial Indices (TBIs) of both lower extremities. Patients will undergo SPECT/CT or PET/CT perfusion imaging prior to their revascularization procedure and 1-14 days following revascularization. Subjects will receive an intravenous injection of a standard clinical dose of radiotracer for both imaging sessions. A low-dose CT scan will be performed immediately after each SPECT and PET image acquisition for the purposes of attenuation correction and regional analysis of radiotracer uptake. Clinical outcomes will be evaluated for up to 12 months after the imaging study to assess the prognostic value of perfusion imaging for predicting subsequent outcomes. An additional subset of PAD patients (n=56) and healthy control subjects (n=56) will be enrolled to undergo the same imaging procedures to establish a healthy database for PET perfusion imaging measures. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03622359
Study type	Interventional
Source	Nationwide Children's Hospital
Contact	Mitchel R Stacy, Ph.D.
Phone	614-355-5836
Email	Mitchel.Stacy@nationwidechildrens.org
Status	Recruiting
Phase	N/A
Start date	February 17, 2017
Completion date	December 31, 2028

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Radiotracer-Based Perfusion Imaging of Patients With Peripheral Arterial Disease

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms