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New imaging technique reveals how leg muscles respond to treatment

NCT ID NCT02791204

Knowledge-focused Sponsor: Yale University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested a special imaging method (SPECT/CT) to measure blood flow in the leg muscles of people with peripheral arterial disease (PAD) and diabetes. Researchers compared these images to those from healthy volunteers to see how treatment affects muscle blood flow. The goal was to better understand the disease and improve future care.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

34 people

The number who actually took part.

Started

May 2016

Finished

Jan 2026

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

* healthy control subjects will be enrolled for this study. * PAD patients with diabetes who are undergoing revascularization procedures * patients undergoing clinically indicated myocardial perfusion imaging study

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria for Healthy Control Population: 1. At least 18 years of age 2. Normal (0.9-1.2) Ankle Brachial Index Inclusion Criteria for patients undergoing clinically indicated myocardial perfusion study: 1\) At least 18 years of age 2) scheduled for stress myocardial perfusion imaging study for clinically indicated reason -Inclusion Criteria for PAD Patient Population: 1. At least 18 years of age 2. Evidence of significant obstructive disease for one or multiple lower extremity arteries, as identified by CT angiography, ultrasound, or MR imaging or an abnormal ankle-brachial index or toe-brachial index 3. Previously diagnosed diabetes mellitus (type I or II), based on any of the following criteria: fasting plasma glucose great than 126 mg/dl on 2 separate occasions, glycated hemoglobin (HbA1c) greater than 6.5% on 2 separate occasions, fasting plasma glucose greater than 200 mg/dl 2 hours following an oral glucose tolerance test on 2 separate occasions, or fasting plasma glucose and HbA1c above normal limits on same visit. 4. scheduled for revascularization due to obstructive blood flow in the lower extremities. Exclusion Criteria for Healthy Control Population: 1. Unable to give informed consent 2. Enrolled in another trial 3. Preexisting medical conditions affecting the vascular system including, but not limited to: Coronary Artery Disease, Peripheral Arterial Disease, diabetes, cancer, hypertension, history of smoking 4. Pregnant or nursing Exclusion Criteria for PAD Patient Population: 1. Unable to give informed consent or follow-up 2. Enrolled in another trial Exclusion Criteria for patients undergoing clinically indicated myocardial perfusion study: 1\) Unable to give informed consent

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Conditions

The condition(s) this trial relates to.

diabetes mellitus peripheral arterial disease

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Diabetes mellitus Peripheral arterial disease

Contacts and locations

Locations

  • Yale-New Haven Hospital

    New Haven, Connecticut, 06510, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.