- ICH GCP
- Yhdysvaltain kliinisten tutkimusten rekisteri
- Kliininen tutkimus NCT02073201
Development of Clinical Methods to Evaluate Neural Function in Aging (MIND)
Tutkimuksen yleiskatsaus
Tila
Ehdot
Yksityiskohtainen kuvaus
As part of participation, the subjects will attend up to 4 visits. During the visits the following testing may occur:
- Vital signs (heart rate, blood pressure), height and weight will be measured.
Tests that assess your mobility and questions about physical function. These tests are listed below and will not be conducted in a particular order, and will take approximately 1.5 hours to complete.
- Walking tests,
Tests of physical ability that include:
- Standing up from chairs of different height
- Lying on the floor and rising to a standing position
- Kneeling on the floor and rising to standing position
- Climbing a flight of stairs
- Lift a weighted laundry basket and placing it on a shelf
- Muscle strength tests will be performed on the legs and arms.
- Questionnaires that address physical function.
- Muscle and nerve testing will be done.
- During the above testing, sensors will be worn on the forehead that use invisible light to indirectly measure blood flow and blood oxygen content of the brain. In addition, sensors may be worn the fingers that measure how the skin conducts electricity. A chest strap that measures heart beats will also be worn. These measures are safe and provide information about the nervous system responds to physical and/or mental challenges.
- Tests will be done that measure memory, attention, vocabulary, problem solving, and planning skills.
- A bone density and body composition measured (scanned) by the machine called DEXA. DEXA scans, like x-rays, are painless, and involve exposure to very small amounts of radiation.
- Images of the brain will be taken using magnetic resonance imaging (MRI). Magnetic resonance imaging (MRI) is a procedure that allows doctors to look inside the body by using a scanner that sends out a strong magnetic field and radio waves.
All of these test are done for this study and will not be used to diagnose or treat any medical problems.
The expected length of participation is approximately six hours total, over the course of 4 separate visits.
Opintotyyppi
Ilmoittautuminen (Todellinen)
Yhteystiedot ja paikat
Opiskelupaikat
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Florida
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Gainesville, Florida, Yhdysvallat, 32611
- UF Clinical Translational Research Building
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Osallistumiskriteerit
Kelpoisuusvaatimukset
Opintokelpoiset iät
Hyväksyy terveitä vapaaehtoisia
Sukupuolet, jotka voivat opiskella
Näytteenottomenetelmä
Tutkimusväestö
Kuvaus
Inclusion Criteria:
- Age 60 years and older OR 20-30 years
- Higher functioning older adults: Score ≥ 11 on the Short Physical Performance Battery (SPPB)
- Lower functioning older adults: Score ≤ 8 on the SPPB
- Body mass index: 20-35 kg/m2 to ensure homogeneity and strength of signal for EMG and MRI analyses
- Willingness to participate in all study procedures
Exclusion Criteria:
- Failure to provide informed consent;
- Contraindications to MRI, such as claustrophobia, heart pacemaker / defibrillator, heart valve prosthesis, aneurysm clip, metallic stent, neurostimulation system, cochlear implants or inner ear prosthesis, insulin pump or other infusion pump, metal slivers in the orbital area/eye socket
- active treatment for cancer or history of cancer in the past year
- Severe cardiac disease, including NYHA Class III or IV congestive heart failure, clinically significant aortic stenosis, history of cardiac arrest or stroke, use of a cardiac defibrillator, or uncontrolled angina;
- previous stroke with upper and/or lower extremities involvement within the last 6 months
- history of life-threatening cardiac arrhythmias, stroke, severe Parkinson's disease or severe neurological disorders likely to interfere with physical function
- renal disease requiring dialysis
- lung disease requiring steroids
- lower extremity amputation
- severe osteoarthritis or rheumatoid arthritis that interferes with physical function
- complicated diabetes requiring insulin
- A known diagnosis of dementia
- Unable to communicate because of severe hearing loss or speech disorder;
- Severe visual impairment, which would preclude completion of the assessments and/or intervention;
- Simultaneous participation in another intervention trial
Opintosuunnitelma
Miten tutkimus on suunniteltu?
Suunnittelun yksityiskohdat
Kohortit ja interventiot
Ryhmä/Kohortti |
Interventio / Hoito |
|---|---|
|
High-functioning older adults
Participants with a SPPB score ≥ 11 will be categorized as high-functioning.
The following test will be performed: Health and Quality of Life questionnaires, Mobility Assessments, Accelerometry, Body Composition (DEXA scan), Strength assessments, Neuromuscular stimulation, and Magnetic resonance imaging (MRI).
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Participants with a SPPB score ≥ 11 will be categorized as high-functioning.
The following test will be performed: Health and Quality of Life questionnaires, Mobility Assessments, Accelerometry, Body Composition (DEXA scan), Strength assessments, Neuromuscular stimulation, and Magnetic resonance imaging (MRI).
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|
Lower-functioning older adults
Participants with a SPPB score ≤ 8 will be categorized as lower-functioning.
The following test will be performed: Health and Quality of Life questionnaires, Mobility Assessments, Accelerometry, Body Composition (DEXA scan), Strength assessments, Neuromuscular stimulation, and Magnetic resonance imaging (MRI).
|
Participants with a SPPB score ≤ 8 will be categorized as lower-functioning.
The following test will be performed: Health and Quality of Life questionnaires, Mobility Assessments, Accelerometry, Body Composition (DEXA scan), Strength assessments, Neuromuscular stimulation, and Magnetic resonance imaging (MRI).
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Young adults
Participants between the 20 - 30 years of age.
The following test will be performed: Health and Quality of Life questionnaires, Mobility Assessments, Accelerometry, Body Composition (DEXA scan), Strength assessments, Neuromuscular stimulation, and Magnetic resonance imaging (MRI).
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Participants between the 20 - 30 years of age.
The following test will be performed: Health and Quality of Life questionnaires, Mobility Assessments, Accelerometry, Body Composition (DEXA scan), Strength assessments, Neuromuscular stimulation, and Magnetic resonance imaging (MRI).
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Mitä tutkimuksessa mitataan?
Ensisijaiset tulostoimenpiteet
Tulosmittaus |
Toimenpiteen kuvaus |
Aikaikkuna |
|---|---|---|
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Neuromuscular integrity by motor unit function
Aikaikkuna: Baseline
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Tasks that require prolonged muscle force are carried out by slow, fatigue-resistant motor units, while tasks that require a quick but short increase in muscle force are mostly performed by fast motor units.
Many of the postural muscles have a large proportion of S motor units.
On the other hand, muscles that participate in quick limb movements such as kicking, hitting, or catching typically have a large proportion of FR and FF motor units.
Most muscles, however, have a relatively wide range of the various motor units, reflecting their participation in a variety of motor tasks.
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Baseline
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Toissijaiset tulostoimenpiteet
Tulosmittaus |
Toimenpiteen kuvaus |
Aikaikkuna |
|---|---|---|
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Structural integrity of the brain and spinal cord
Aikaikkuna: Baseline
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Magnetic resonance (MR)-based
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Baseline
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Yhteistyökumppanit ja tutkijat
Sponsori
Yhteistyökumppanit
Tutkijat
- Päätutkija: Thomas Buford, PhD, University of Florida
Opintojen ennätyspäivät
Opi tärkeimmät päivämäärät
Opiskelun aloitus (Todellinen)
Ensisijainen valmistuminen (Todellinen)
Opintojen valmistuminen (Todellinen)
Opintoihin ilmoittautumispäivät
Ensimmäinen lähetetty
Ensimmäinen toimitettu, joka täytti QC-kriteerit
Ensimmäinen Lähetetty (Arvio)
Tutkimustietojen päivitykset
Viimeisin päivitys julkaistu (Todellinen)
Viimeisin lähetetty päivitys, joka täytti QC-kriteerit
Viimeksi vahvistettu
Lisää tietoa
Tähän tutkimukseen liittyvät termit
Muut tutkimustunnusnumerot
- IRB201300835-N
- 2P30AG028740 (Yhdysvaltain NIH-apuraha/sopimus)
Lääke- ja laitetiedot, tutkimusasiakirjat
Tutkii yhdysvaltalaista FDA sääntelemää lääkevalmistetta
Tutkii yhdysvaltalaista FDA sääntelemää laitetuotetta
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