Body Composition Profiling in the UK Biobank Imaging Study.
Jennifer Linge, Magnus Borga, Janne West...
https://pubmed.ncbi.nlm.nih.gov/29785727/Actively Recruiting
Led by Mayo Clinic · Updated on 2026-08-05
100
Participants Needed
1
Research Sites
52 weeks
Total Duration
This research aims to explore the relationship between muscle composition measured by an MRI-based Muscle Assessment Score MAsS and adverse outcomes in adults being evaluated for liver transplant. Sarcopenia, the loss of muscle volume and function, is common in end-stage liver disease and linked to worse outcomes, including mortality. The study also investigates how donor liver characteristics combined with recipient muscle composition relate to outcomes one year after transplant. Participants will have the MAsS added to their standard MRI scans during the liver transplant evaluation and at other clinically needed follow-up MRIs. The MAsS combines measurements of muscle volume and fat infiltration to provide a quantitative assessment of muscle health. This diagnostic approach is applied in a single group of liver transplant candidates. During the study, participants undergo MRI scans with added muscle assessment sequences. Researchers will measure the MAsS at baseline and monitor changes while waiting for transplant, linking these data to adverse outcomes within one year. The study tracks clinical outcomes, including mortality and complications, to understand risk factors better. Participation lasts up to one year, with monitoring aligned with routine clinical care and MRI scheduling.
CONDITIONS
Adverse Outcomes and Mortality in Liver Transplant
L
Latasha Bunkley
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Mayo Clinic
Lead Sponsor
Amra Medical AB
Collaborating Sponsor
This table compares participation in this trial with other options available for this condition. The information is drawn from published research and the trial’s study details and is provided for educational purposes only.
| Factors | MAsS with MRI | Current MRI-Based Muscle Assessment |
|---|---|---|
| What it is | A diagnostic approach using the muscle assessment score (MAsS) with MRI to identify patients at higher risk for adverse outcomes when being evaluated for liver transplantation. | Routine MRI-based evaluation of skeletal muscle quantity and quality without a unified muscle assessment score, used to screen for sarcopenia or myosteatosis in liver transplant candidates. |
| Role in the study | Investigational test; MAsS with MRI is being evaluated to create a risk cut-point that predicts surgical outcomes and adverse events. | Represents current clinical diagnostic pathway; MRI muscle measurements are interpreted using expert-derived criteria but lack an established unified scoring system to predict post-transplant outcomes. |
| Primary use | To classify risk for adverse outcomes in end-stage liver disease patients evaluated for liver transplantation based on muscle composition. | To identify sarcopenia or myosteatosis using MRI and help guide overall risk assessment, though tools to stratify surgical risk are not standardized. |
| How it is given or performed | Participants undergo a clinically indicated MRI with standardized image processing and application of MAsS scoring to muscle groups. | Standard MRI study is acquired during transplant evaluation and muscle quantity and quality are assessed by radiologists or software, occasionally using fat fraction or cross-sectional area. |
| Evidence status | MAsS is being investigated for its ability to predict adverse outcomes and mortality in patients evaluated for liver transplantation. Published evidence of benefit is not yet available. | MRI-based assessment of sarcopenia helps identify higher risk in liver transplant candidates, but definitions and cutoff values vary and prognostic strength is still being refined. |
| Important limitations | The predictive value of MAsS for post-transplant outcomes requires validation and is not yet established. It may require specialized image analysis and expertise. | Current MRI-based approaches lack universal cut-points and standardized scoring, limiting their predictive use for individual outcomes. Interpretation and reproducibility can vary across centers. |
Disclaimer: This comparison is created with the help of artificial intelligence(AI) and may contain errors or missing information. It is not medical advice and does not mean one option is better or safer than another. Clinical trials are still being studied, and joining a trial is your choice. Please consult your healthcare professional before making any decisions.
You may qualify if you...
You will not qualify if you...
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person)
Duration - Up to 1 year
Participants undergo MRI scans with added sequences to assess muscle health as part of their liver transplant evaluation and at follow-up times if clinically needed.
MRI scans as clinically indicated
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
NA
Model
SINGLE_GROUP
Primary Purpose
DIAGNOSTIC
Number of Arms
1
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https://pubmed.ncbi.nlm.nih.gov/29581385/Mayo Clinic
Lead Sponsor
Amra Medical AB
Collaborating Sponsor