Sarcopenia Magnetic Resonance Imaging Evaluation (SUSIE)

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

70 participants

Study Classification

OBSERVATIONAL

Study Start Date

2021-04-09

Study Completion Date

2026-12-31

Brief Summary

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The goal of the proposed research is to investigate Magnetic Resonance (MR) Fingerprinting and P-MRS (Phosphorus-31 MR Spectroscopy) imaging for characterization of skeletal muscle in heart failure patients with sarcopenia. Heart failure patients with and without sarcopenia will be scanned using MR Fingerprinting and an existing Post-exercise phosphocreatine (PCr) recovery MR imaging protocol to obtain characteristic profiles of quantitative T1, T2, and PCr recovery rate.

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Detailed Description

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Sarcopenia is a common comorbidity and predictor of mortality in heart failure that is characterized by a loss of muscle mass and functional strength. Sarcopenia, in heart failure and other chronic diseases, has been consistently predictive of poor outcomes. However, current tools to identify the presence of sarcopenia, such as functional tests and questionnaires are indirect, non-specific, and not effective until patients have reached an overtly cachectic state and significant muscle deterioration has already occurred. MRI can serve an important, noninvasive role in the assessment and management of sarcopenia by providing insight as to tissue microstructure and mitochondrial function. For example, MRI has shown significant changes in T2 relaxation time, diffusion fractional anisotropy, and lipid content in skeletal muscle of pre-frail/frail patients as compared to healthy volunteers. Post-exercise phosphocreatine (PCr) recovery, evaluated using phosphorus-31 (P) MR spectroscopy Imaging(P-MRSI), has shown impairment of mitochondrial function in pre-frail elderly as compared to active elderly. MR fingerprinting (MRF) is a promising tool for tissue characterization via rapid, robust quantification of T1 and T2 relaxation and has been shown to be accurate and reproducible across sites. Despite applications in neuroimaging and cardiac imaging, MRF has had limited use in musculoskeletal imaging and has not been investigated for use in characterizing sarcopenia. Similarly, P-MRS imaging has not been employed for evaluation of sarcopenia in heart failure patients, a population which may have a unique etiology from other sarcopenia phenotypes. Characterization of sarcopenia may support a range of rapidly developing treatment options in this population. While evidence suggests exercise therapy can improve frailty status, for instance in 39% of patients at 12 month follow-up, it is not yet well-understood which patients will respond to treatment. With a range of treatment options such as nutritional supplementation, hormone therapy, and cardiovascular drugs, MRF and P-MRSI could serve as powerful noninvasive tools to provide a personalized approach for sarcopenic phenotypes, match them to appropriate therapy, and monitor therapeutic response.

Conditions

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Sarcopenia

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Heart failure patients

Inclusion criteria:

* Age \> or = 40 yrs
* Stable chronic heart failure
* Systolic dysfunction determined by cardiac MRI with left ventricle ejection fraction 40% or less

Exclusion criteria:

• Advanced liver disease, advanced cancer, advanced chronic obstructive pulmonary disease

Contraindications to MRI such as:

* Heart pacemaker/defibrillator
* Electronic/implanted stimulators or devices, including deep brain stimulator, vagus nerve stimulator, bladder stimulator, spine stimulator, neurostimulators; implanted electrodes or wires
* Cochlear implant or other ear implants
* Implanted drug pumps (insulin, narcotic/pain medications, drugs to treat spasticity)
* Programmable shunt
* Aneurysm clips and coils
* Stents • Filters (for example, blood clot filters)
* Metal fragment in body or eye (eg, BBs, bullets, shrapnel, metal pieces or shavings)

No interventions assigned to this group

Healthy volunteers (Controls)

Inclusion criteria:

* Age \> or = 40 yrs
* No diagnosed heart failure or sarcopenia

Exclusion criteria

• Advanced liver disease, advanced cancer, advanced chronic obstructive pulmonary disease

Contraindications to MRI such as:

* Heart pacemaker/defibrillator
* Electronic/implanted stimulators or devices, including deep brain stimulator, vagus nerve stimulator, bladder stimulator, spine stimulator, neurostimulators; implanted electrodes or wires
* Cochlear implant or other ear implants
* Implanted drug pumps (insulin, narcotic/pain medications, drugs to treat spasticity)
* Programmable shunt
* Aneurysm clips and coils
* Stents
* Filters (for example, blood clot filters)
* Metal fragment in body or eye (eg, BBs, bullets, shrapnel, metal pieces or shavings)

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* Heart failure patients

* Age ≥40 yrs
* Stable chronic heart failure
* Systolic dysfunction determined by cardiac MRI with left ventricle ejection fraction 40% or less
* Healthy Volunteers

* Age ≥40 yrs
* No diagnosed heart failure or sarcopenia

Exclusion Criteria

* Heart failure patients

• Advanced liver disease, advanced cancer, advanced chronic obstructive pulmonary disease
* Healthy volunteers (controls)

* Advanced liver disease, advanced cancer, advanced chronic obstructive pulmonary disease
* Contraindications to MRI Contraindications to MRI
* Heart pacemaker/defibrillator
* Electronic/implanted stimulators or devices, including deep brain stimulator, vagus nerve stimulator, bladder stimulator, spine stimulator, neurostimulators; implanted electrodes or wires
* Cochlear implant or other ear implants
* Implanted drug pumps (insulin, narcotic/pain medications, drugs to treat spasticity)
* Programmable shunt
* Aneurysm clips and coils
* Stents
* Filters (for example, blood clot filters)
* Metal fragment in body or eye (eg, BBs, bullets, shrapnel, metal pieces or shavings)

Minimum Eligible Age

40 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No