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Scientists develop new way to watch your Body's energy at work

NCT ID NCT01827527

Knowledge-focused Sponsor: AdventHealth Translational Research Institute Source: ClinicalTrials.gov ↗

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 new ways to measure how the body uses energy by using special imaging and light-based techniques. Healthy volunteers aged 18 to 89 performed simple leg exercises inside a scanner while researchers tracked energy changes in their muscles. The goal was to refine these methods for future research, not to treat any disease.

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

31 people

The number who actually took part.

Start date

Mar 2013

Finished

Dec 2024

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 adult volunteers

Ages

18 to 89 years

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: * Male or female * Age 18 - 89 * Healthy (self assessed) * Weight under 350lbs * Able to walk 50 yards without stopping * Able to travel to hospital for study visits * Able to follow a 3-step command * Able to remain in magnetic resonance (MR) scanner for up to 2 hours Exclusion Criteria: * Have internal metal medical devices, including cardiac pacemakers, aortic or cerebral aneurysm clips, artificial heart valves, ferromagnetic implants, shrapnel, wire sutures, joint replacements, bone or joint pins/rods/screws, metal fragments in your eye, or non-removable jewelry such as rings. * Are unwilling or unable to complete the imaging procedures for the duration of the magnetic resonance imaging (MRI) scan due to claustrophobia or other reason. * Serious mental illness that might preclude subject's ability to comply with study treatment * Are pregnant or plan on becoming pregnant in the next 8 weeks. * History of deep vein thrombosis (DVT) or pulmonary embolism (PE) * Varicose Veins * Known genetic factor (Factor V Leiden, etc.) or hypercoagulable state, including cancer, leukemia - such as chronic myelocytic leukemia (CML), hemoglobinopathies - such as sickle-cell disease and multiple myeloma and other proteinopathies. * Diagnosed peripheral arterial or vascular disease * Family history of primary DVT or PE * Peripheral neuropathy * History of chronic venous stasis or lower extremity edema * Female taking hormonal birth control (oral or otherwise) AND smoker

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As listed by the trial registrant

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

Magnetic resonance spectroscopy Validation studies

Contacts and locations

Locations

  • Translational Research Institute for Metabolism and Diabetes

    Orlando, Florida, 32804, United States

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