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Evaluation of Leg Muscular Activity Using MRI and 11C-acetate PET/MRI. Pilot Study

Evaluation of Leg Muscular Activity Using Magnetic Resonance Imaging and 11C-acetate Positron Tomography (PET/MRI). Pilot Study

Status
UNKNOWN
Phases
Phase 1Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02969603
Enrollment
10
Registered
2016-11-21
Start date
2013-09-30
Completion date
2016-12-31
Last updated
2016-11-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy

Keywords

PET/MRI, muscular activity, 11C-acetate

Brief summary

The present study is conceived as a pilot study aimed to determine the efficiency of the newly available Positron Emission Tomography (PET) - Magnetic Resonance Imaging (MRI) hybrid scan technique for muscular activity evaluation, creation of anatomic images of muscle activity and resolution of metabolic activity distribution within exercising skeletal muscle.

Interventions

OTHERMagnetic Resonance Imaging

Magnetic Resonance Imaging as reference

OTHERMagnetic Resonance combined with Positron Emission Tomography

Comparison with MRI only, to assess muscular activity, creation of anatomic images of muscle activity and resolution of metabolic activity distribution within exercising skeletal muscle

Sponsors

Osman Ratib
Lead SponsorOTHER

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
DIAGNOSTIC
Masking
NONE

Eligibility

Sex/Gender
MALE
Age
18 Years to 35 Years
Healthy volunteers
Yes

Inclusion criteria

MRI exam inclusion criteria * Male volunteer aged in the range 18 to 35 years. * Acceptance of the research protocol: signature of the informed consent form after oral and written information about the protocol through the patient information document. * Volunteers that could undergo 1h15 to 1h30 immobilization (MRI exam duration in time). PET/MRI exam inclusion criteria * Male volunteer aged in the range 18 to 35 years. * Acceptance of the research protocol: signature of the informed consent form after oral and written information about the protocol through the patient information document. * Volunteers that could undergo 1.5 to 2.0 hours immobilization (PET/MRI exam duration in time). * Volunteers should practice regular physical activity, defined as 50 min per day (in a single session), 2 days per week of physical activity as a minimum (no maximum is fixed).

Exclusion criteria

MRI exam

Design outcomes

Primary

MeasureTime frameDescription
Assessment of musculoskeletal systems in motionthough study completion, an average of 2 yearsan informatic visualization tool of muscles implied in leg flexion/extension combining PET and MR infomation
Distribution of acetate metabolism during exercise skeletal musclethough study completion, an average of 2 years11C-acetate uptake (SUV and SUVratio with resting muscles) in contracting muscle, measured using muscle segmentation from MRI images

Secondary

MeasureTime frameDescription
Measurement of the in vivo function of the musclethough study completion, an average of 2 yearscorrelation between 11C-acetate uptake and contractile force measures (weight and duration of exercise)

Countries

Switzerland

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026