- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02105922
Effect of Strength Training and Protein Ingestion in Old Versus Very-old
From 3 interventiongroups in the project with ClinicalTrials.gov ID NCT02034760, namely:
HRTW: Heavy Strength Training x3/week & 20g whey protein twice daily. LITW: Light Intensity Training x3-5/week & 20g whey protein twice daily. WHEY: 20g whey protein twice daily.
15 subjects from each group will be recruited and tested after 3 months of intervention. Tests will include muscle cross sectional area (MRi), muscle biopsies (fiber types, size, cell- and capillary count), functional- and strength measurements, plasma lipids, HbA1c. Tests are to be compared with Project ID NCT01997320.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
In- and exclusion criteria are listed in NCT02034760. Subjects will be randomized to interventions as described, and 15 subjects from each of the three groups will be tested after 12 weeks of intervention.
15 subjects are included in each group to account for an expected drop-out rate of 20%, and so 12 subjects are expected to complete each intervention. With this N an increase of around 11% in MRi-evaluated muscle size can be detected with a powerlevel of 80% and an alpha of 0.05 and use of reported SD.
Primary outcome is muscle size (MRi), and secondary outcomes are overall body composition (DXA), muscle strength, rate of force development, power, 30s chair stand, 400m gait speed, grip strength. Tertiary outcomes are habitual activitylevel (accelerometry), blood samples (HbA1c, cholesterols, creatinine), blood pressure, weight, BMI, wast- and hip circumference.
Results are to be compared with NCT01997320 and so a population of 65+ can be compared with a population of 83+. Both studies uses the same heavy strength training regimen.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
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Copenhagen NV, Denmark, 2400
- Bispbebjerg Hospital
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Healthy, independently living
- Age at least 65 years
Exclusion Criteria:
- Subjects dependent on help/nursing etc.
- Chronic medical diseases: Diabetes mellitus, clinical knee or hip osteoarthritis, other types of arthritis or connective tissue disorders, active cancer, renal diseases, severe chronic obstructive pulmonary disease, cardiac arrhythmias or known decreased left ventricular ejection fraction, lactose or gluten intolerance, chronic inflammatory bowel diseases, non-treated hyper/hypothyroidism, dementia.
- Surgical diseases: Bone, muscle, tendon or joint injuries compromising participation in exercise regimens.
- Implanted magnetic devices incompatible with MRi-scanning.
- Weekly alcohol consumption > 21 units (1 unit equals 4g of ethanol) for men and > 14 for women.
- Medicine except acetylsalicylic acid, paracetamol, thyroid function hormones, statins in doses above 40mg/day or if combined with subjective myalgia, ACE-inhibitors, Angiotensin II blockers, beta-blockers, calciumantagonists, proton-pump inhibitors, thiazides, potassium-sparing diuretics and loop diuretics.
- >1 hour of exercise weekly, except light activities such as stretching/gymnastics and bike-riding/walking as transportation.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: PREVENTION
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: DOUBLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
ACTIVE_COMPARATOR: Heavy Resistance Training
Heavy Resistance Training of the lower extremities three times weekly in combination with two daily 20g whey protein and 10g carbohydrate supplementations for 3 months.
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Supervised Heavy Resistance Training three times weekly for 3 months.
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EXPERIMENTAL: Light Intensity Training
Home-based Light Intensity Training of the lower extremities three-five times weekly in combination with two daily 20g whey protein and 10g carbohydrate supplementations for 3 months.
|
Home-based Light Intensity Training three-five times weekly for 3 months.
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ACTIVE_COMPARATOR: Protein Whey
Two daily 20g whey protein and 10g carbohydrate supplementations for 3 months.
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Two daily 20g whey protein and 10g carbohydrate supplementations for 3 months.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in muscle cross sectional area
Time Frame: Baseline, 3 months
|
MRi scans of quadriceps muscle cross sectional area.
The statistical evaluation of the primary outcome measure is done by applying a two way ANOVA test comparing groups: 1) Heavy Resistance Training vs.
Light Intensity Training vs. Protein Whey.
The statistical evaluation will be performed first as an intension-to-treat analysis and subsequently as a per-protocol analysis.
|
Baseline, 3 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in quadriceps muscle isometric strength
Time Frame: Baseline, 3 months
|
Isometric unilateral quadriceps force and rate of force development measured in the isokinetic dynamometer device (KinCom) during knee extension at the knee angle 70 deg (with 0 degrees being fully extended).
|
Baseline, 3 months
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Change in quadriceps muscle isokinetic strength
Time Frame: Baseline, 3 months
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Unilateral knee extension (concentric) strength measured in the KinCom device at an angular velocity of 60 degrees/sec.
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Baseline, 3 months
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Change in leg extension muscle power
Time Frame: Baseline, 3 months
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Unilateral leg extension power measured in the Powerrig device.
|
Baseline, 3 months
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Change from baseline in muscle structure and signalling
Time Frame: Baseline and 3 months
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From muscle biopsies muscle fiber type distribution and size, capillary density, satellite cell count and activity, selected gene-expression targets and protein concentrations will be assessed.
|
Baseline and 3 months
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Change in 30 s chair stand
Time Frame: Baseline, 3 months
|
Number of stand-ups from a chair in 30 seconds.
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Baseline, 3 months
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Change in whole body composition and bone mineral density
Time Frame: Baseline, 3 months
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Body composition (fat mass, lean mass and bone mass) evaluated by whole-body dual energy x-ray absorptiometry (DXA)-scanning. Bone mineral density at dominant collum femoris and vertebrae L2-L4 evaluated by DXA-scanning. |
Baseline, 3 months
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in blood parameters and anthropometry
Time Frame: Baseline, 3 months
|
Blood: HbA1c, plasma lipids.
Anthropometry: Weight, abdominal circumference.
Blood pressure.
|
Baseline, 3 months
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Change in gait speed
Time Frame: Baseline, 3 months
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400 m gait speed.
|
Baseline, 3 months
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Change in grip strength
Time Frame: Baseline, 3 months
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Isometric hand grip strength.
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Baseline, 3 months
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Questionnaires and interviews
Time Frame: Baseline, 3 months
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Short Form 36
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Baseline, 3 months
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Change in habitual activity
Time Frame: Baseline, 3 months
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Evaluated by 4 days continuous monitoring by a pedometer device (ActivPal).
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Baseline, 3 months
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Change in daily macronutrient intake
Time Frame: Baseline, 1,5 months
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4-days self-report of food and beverage intake.
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Baseline, 1,5 months
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Søren Reitelseder, Ph.d., Bispebjerg Hospital
- Principal Investigator: Rasmus Bechshøft, Ph.d., Bispebjerg Hospital
- Principal Investigator: Michael Kjær, MD, Proff., Bispebjerg Hospital
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- H-4-2013-070.2
- H-4-2013-070 (OTHER: The Danish National Committee on Biomedical Research Ethics)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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