Exercise and Neuroprotection in Older Persons With Multiple Sclerosis
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ClinicalTrials.gov Identifier: NCT04762342 |
Recruitment Status :
Recruiting
First Posted : February 21, 2021
Last Update Posted : February 21, 2021
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Condition or disease | Intervention/treatment | Phase |
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Multiple Sclerosis Sclerosis Demyelinating Autoimmune Diseases, CNS Autoimmune Diseases of the Nervous System Demyelinating Diseases Healthy Aging Aging | Other: Resistance training (Power training) | Not Applicable |
Over the past 3-4 decades, the lifespan among people with multiple sclerosis (MS) has increased substantially. Today more than one-third of all people with MS are 60 years or older. With advanced age, people with MS are more likely to have impairments in cognitive and physical function.
Positive adaptations within the nervous system (~neuroplasticity) have been shown to occur in people with MS following periods of resistance training (RT). This resembles the observations in young and old healthy individuals. Moreover, a specific type of RT termed power training appears to be particularly beneficial, as it emphasizes an explosive concentric phase of muscle contraction. This taxes the nervous system to a very high extent. As a result, power training has been shown to improve several aspects that rely on the nervous system in older individuals without MS. These aspects include cognition, neuromuscular function, and physical function.
The investigators speculate that older people with MS would also benefit. However, no studies have looked into the effects of power training in older people with MS. Moreover, it is not known if the effects of power training are blunted, compared to healthy age- and gender-matched healthy individuals due to the marked neurodegeneration that characterizes older MS (transient/permanent damage to CNS).
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 120 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Single (Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | Exercise and Neuroprotection in Older Persons With Multiple Sclerosis |
Actual Study Start Date : | December 7, 2020 |
Estimated Primary Completion Date : | March 2024 |
Estimated Study Completion Date : | March 2024 |

Arm | Intervention/treatment |
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Experimental: Training Group Multiple Sclerosis
24 weeks of moderate to high-intensity power training (resistance training- emphasizing an explosive concentric phase of muscle contraction) performed twice weekly. Balance- and functional exercises are included from week 10. |
Other: Resistance training (Power training)
All sessions will start with a brief warm up on a stationary bike and uni-lateral knee raises. Power training: Involves exercises in which participants has to focus on performing fast/explosive muscle contraction during the concentric phase, and slow/controlled (approximately 2-3 s) muscle contraction during the eccentric phase. Functional- and balance exercises are included from week 10-24. Set, repetition, and load: Week 1-4: 3 sets of 15 repetitions at a load of 15 repetitions maximum (RM). Week 5-14: 3 sets of 12 repetitions at a load of 12 RM. Week 15-24: 3 sets of 10 repetitions at a load of 10 RM. Strengthening exercises:
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No Intervention: Control Group Multiple Sclerosis
Habitual lifestyle including standard care.
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Experimental: Training Group Healty Control
24 weeks of moderate to high-intensity power training (resistance training- emphasizing an explosive concentric phase of muscle contraction) performed twice weekly. Balance and functional exercises are included from week 10. |
Other: Resistance training (Power training)
All sessions will start with a brief warm up on a stationary bike and uni-lateral knee raises. Power training: Involves exercises in which participants has to focus on performing fast/explosive muscle contraction during the concentric phase, and slow/controlled (approximately 2-3 s) muscle contraction during the eccentric phase. Functional- and balance exercises are included from week 10-24. Set, repetition, and load: Week 1-4: 3 sets of 15 repetitions at a load of 15 repetitions maximum (RM). Week 5-14: 3 sets of 12 repetitions at a load of 12 RM. Week 15-24: 3 sets of 10 repetitions at a load of 10 RM. Strengthening exercises:
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No Intervention: Control Group Healthy Control
Habitual lifestyle
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- Percentage brain volume change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]Whole brain atrophy will be measured from MRI-scans.
- Normalized gray and white matter volume change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]MRI scan
- Hippocampus volume change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]MRI scan.
- Thalamus volume change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]MRI scan.
- Corpus callosum volume change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]MRI scan.
- Basal Ganglia volume change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]MRI scan.
- Glial fibrillary acidic protein (GFAP) change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]Resting blood sample- Marker of neurodegeneration.
- Neurofilament light chain (NfL) change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]Resting blood sample-Marker of neurodegeneration:
- Brain-derived neurotrophic factor (BDNF) change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]Resting blood sample-Neurotrophic factor.
- Insulin-like growth factor-1 (IGF). [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]Resting blood sample-Neurotrophic factor.
- C-reactive protein (CRP) change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]Resting blood sample-Inflammatory markers.
- Interleukin-6 (IL-6) change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]Resting blood sample-Inflammatory markers.
- Tumor necrosis alpha (TNF-alpha) change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]Resting blood sample-Inflammatory markers.
- C-terminal collagen cross-links (CTX) change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]Resting blood sample- Bone turnover markers.
- Type-1n-terminal propeptide (P1NP) change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]Resting blood sample- Bone turnover markers.
- Bone mineral density of the femoral neck and lumbar spine change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]Dexa scan.
- Body composition change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]Dexa scan- whole body scan.
- Cognition change . [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]Selective Reminding Test (memory) and Symbol Digit Modalities Test (processing speed).
- Nine step stair test change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks ]Time to climb a 9 step flight of stairs.
- Six Spot Step Test (SSST) change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]SSST is a measure of walking ability, balance and coordination. Measured as the time to complete the course.
- Six-minute walk test (&MWT) change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]Distance covered on a 30 meter track during six minutes maximal walking. Distance covered each minute is noted.
- Timed 25-Feet Walk Test (T25FWT) change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]Time to walk 25 feet (normal walk and maximal walk pace).
- Short Physical performance battery change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]Composite score from Five Times Sit- to- Stand Test, Tandem Test and 3 meter walk test.
- Maximal Voluntary Contraction (MVC) change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]The following muscle groups are tested: Knee flexors, Knee extensors, Plantor flexor and Dorsal flexor.
- Dynamic Strength change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]The following muscle groups are tested: Knee flexors, Knee extensors, Plantor flexor and Dorsal flexor.
- Force Steadiness change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]The following muscle groups are tested: Plantor flexor and Dorsal flexor.
- Interpolated Twitch Technology change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]Knee extensors are tested.
- Grip strength change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]Measured by Hand Dynamoter.
- SF-12 change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]Patient Reported Outcome Measure.
- Pittsburg Sleep Qulity Index change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]Patient Reported Outcome Measure.
- Brief pain inventory change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]Patient Reported Outcome Measure.
- Baecke Physical Activity change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]Patient Reported Outcome Measure.
- HADS change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]Patient Reported Outcome Measure.
- EQ-5D change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]Patient Reported Outcome Measure.
- FES-I change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]Patient Reported Outcome Measure.
- Multiple Sclerosis Impact Scale (MSIS-29) change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks . ]Patient Reported Outcome Measure (only applicable for people with MS).
- Modified Fatigue Impact Scale (MFIS) change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks . ]Patient Reported Outcome Measure (only applicable for people with MS).
- 12-Item MS walking Scale (MSWS-12) change. [ Time Frame: Baseline, after 24 weeks and after 48 weeks . ]Patient Reported Outcome Measure (only applicable for people with MS).
- Expanded Disability Status Scale (only applicable for people with MS). [ Time Frame: Baseline, after 24 weeks and after 48 weeks. ]The EDSS scale ranges from 0 to 10 in 0.5 unit increments that represent higher levels of disability. Scoring is based on an examination by a trained exercise physiologist.

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Ages Eligible for Study: | 60 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
- Signed consent
- Clinical MS diagnosis according to the McDonald criteria (only applicable for PwMS)
- EDSS ≤6.5 (only applicable for PwMS)
- Able to transport themselves to the testing sessions in Aarhus
- Able to transport themselves to training, if randomized to the training group
Exclusion Criteria:
- Comprise comorbidities (cardiovascular-, respiratory-, orthopedic- or other neurological diseases
- Pacemaker
- Metallic implant that prevents MRI scans
- Participation in structured RT or power training for the past 3 months (> 1 session per week)
- Cognitive impairments (The participant is not able to understand and follow training- and testing instructions)

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04762342
Contact: Marie-Louise K. Jørgensen, MSc | +45 22292062 | mlkj@ph.au.dk |
Denmark | |
Exercise Biology, Department of Public Health, Aarhus University | Recruiting |
Aarhus, Denmark, 8000 | |
Contact: Marie-Louise K. Jørgensen, Msc |
Principal Investigator: | Marie-Louise K. Jørgensen, Msc | Exercise Biology, Department of Public Health, Aarhus University |
Responsible Party: | University of Aarhus |
ClinicalTrials.gov Identifier: | NCT04762342 |
Other Study ID Numbers: |
4168624 |
First Posted: | February 21, 2021 Key Record Dates |
Last Update Posted: | February 21, 2021 |
Last Verified: | January 2021 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Multiple Sclerosis Healthy aging Exercise Neuroprotection |
Multiple Sclerosis Demyelinating Diseases Nervous System Diseases Autoimmune Diseases of the Nervous System Demyelinating Autoimmune Diseases, CNS Autoimmune Diseases |
Sclerosis Pathologic Processes Immune System Diseases Leukoencephalopathies Brain Diseases Central Nervous System Diseases |