- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03345199
Effects of Inspiratory Muscle Training in Persons With Advanced Multiple Sclerosis
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
People with advanced multiple sclerosis (MS) often experience impairments in strength and endurance in the muscles of respiration. This can cause increased difficulty with breathing which may lead to increased respiratory infection. People with weak respiratory muscles may need to use more effort for breathing and this can be tiring and limiting a person's ability to participate in activities. Complications from breathing problems, such as pneumonia, are the most frequent reason for critical illness and intensive care in people with MS, particularly as the disease progresses.
Exercises of the respiratory muscles have the potential to improve breathing in people with MS. The goal of this study is to examine the effects of a 10-week respiratory muscle exercise program on respiratory muscle strength, fatigue, activity level, and respiratory infection rates in people with advanced MS. The study will assess whether the participants improve after the training, and whether the effects can be maintained after the training ends.
The study will invite 40 people with advanced MS to participate in a 10-week exercise program to strengthen respiratory muscles. Participants will use a device that is easy to use and provides a resistance while inhaling. Participants will perform the exercises after they receive the instruction from researchers. The progression of exercises will be tailored to each individual's tolerance to the exercise. The study will measure participants' respiratory muscle strength, perceived fatigue, participation in daily recreational activities such as coffee time, and respiratory infection rates to evaluate the effects of the program. The measurements will be done upon enrollment into the study at the baseline, after 10-week no training baseline period before the intervention, mid-point during the 10-week training, at the completion of the 10-week training, at 4 weeks and at 8 weeks after the training ends. The study will evaluate if participants improve after the training, and if the improvements can be maintained for up to 8 weeks after the training.
Outcomes from this research will help to better understand effective treatments for breathing problems in people with advanced MS. The study will be able to inform clinicians and researchers about effective protocols for respiratory muscle training in advanced MS. These results will contribute to long-term research goals, including reducing complications from respiratory problems, delaying disability associated with MS, and improving function and quality of life in people with advanced MS.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Massachusetts
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Boston, Massachusetts, United States, 02124
- The Boston Home
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Michigan
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Flint, Michigan, United States, 48502
- University of Michigan-Flint
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Residents of The Boston Home
- Diagnosis of multiple sclerosis by a physician
- Expanded Disability Status Scale >6.5
- Able to follow instructions in English
Exclusion Criteria:
- Hospitalization for exacerbation of MS within the previous 2 months
- Unstable heart, lung, or other physical conditions
- Current smoker
- Oral temperature greater than 100 degrees Fahrenheit
- Acute illness, such as infection, inflammation, ongoing chest pain, or short of breath with light activities
- Current neurological diseases other than MS
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: NA
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: Inspiratory Muscle Trainer (IMT)
Inspiratory Muscle Trainer (IMT) provides resistance as a person inhales, thereby strengthening respiratory muscles.
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During the 10-week training period, participants will perform exercises using a Threshold Inspiratory Muscle Trainer (IMT) at 3 sets of 15 repetitions per day.
The initial resistance of the IMT unit will be at 30% of participants' maximum inspiratory pressure (MIP).
Resistance for the IMT unit will be increased progressively and adjusted weekly by a licensed physical therapist based on participant's MIP at baseline, Borg perceived rate of exertion, and symptoms.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Maximal inspiratory Pressure (MIP)
Time Frame: Baseline to 28 weeks
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MIP will be obtained using Micro Respiratory Pressure Meter (MicroRPM).
Participants will perform three trials and the best value of the three attempts will be used.
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Baseline to 28 weeks
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Change in Maximal Expiratory Pressure (MEP)
Time Frame: Baseline to 28 weeks
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MEP will be obtained using Micro Respiratory Pressure Meter (MicroRPM).
Participants will perform three trials and the best value of the three attempts will be used.
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Baseline to 28 weeks
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Fatigue
Time Frame: Baseline to 28 weeks
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Fatigue will be measured by Modified Fatigue Impact Scale, where 0 is no impact and 20 is most severe impact on daily life
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Baseline to 28 weeks
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Change in Activity Participation
Time Frame: Baseline to 28 weeks
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The average number of recreational programs attended by each participant per day.
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Baseline to 28 weeks
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Change in Respiratory Infection Incidents
Time Frame: Baseline to 28 weeks
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The total number of incidence of respiratory infection of each participant.
All incidence of respiratory infection will be documented by nursing staff.
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Baseline to 28 weeks
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Min-Hui Huang, PhD, University of Michigan-Flint
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 (ACTUAL)
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
- PP-1703-27264
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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