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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04362228
Other study ID # REB project #10638
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date May 1, 2021
Est. completion date September 30, 2022

Study information

Verified date February 2023
Source McMaster University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Swallowing impairment (dysphagia) is extremely common in older adults living with dementia due to age-related changes in swallowing and other disease-specific impairments. Dysphagia is commonly managed by modifying diet textures rather than engaging in rehabilitative swallowing therapy. This means that countless people with dementia are left to eat pureed foods and drink thickened liquids, which are unpalatable and lead to malnutrition. As the disease progresses, many are transferred to nursing homes. In Canada, speech-language pathologists, who manage dysphagia, are consultants within nursing homes; therefore, swallowing therapy is non-existent. However, exercise therapy is more commonly available. Rodent models have demonstrated that physical exercise strengthens tongue and vocal-fold musculature, which are critical components of swallowing. Therefore, it is possible that whole-body physical exercise, which increases rate of respiration, will help to strengthen swallowing-related musculature in older adults with dementia. In this study, older adults (65+) with early-stage dementia will complete a 12-week physical exercise program to determine improvement of swallowing function.


Recruitment information / eligibility

Status Completed
Enrollment 9
Est. completion date September 30, 2022
Est. primary completion date September 30, 2022
Accepts healthy volunteers No
Gender All
Age group 60 Years and older
Eligibility Inclusion Criteria: - > 59 years of age - able to walk independently with or without an assistive device for a distance of at least 10 meters - able to be active for 60 minutes with rest breaks - abe to independently follow directions - not involved in active rehabilitation - a diagnosis of a progressive neurologic disease - a maximum value for tongue strength <40 kPa Exclusion Criteria: - neurological conditions other than a progressive neurologic disease - significant cardiovascular conditions - severe aphasia - pain, other medical conditions or behavioural issues that would limit safe participation in the exercise program - individuals with known structural causes of dysphagia - individuals with known allergies to latex - individuals receiving swallowing rehab

Study Design


Intervention

Behavioral:
Whole-body exercise
10-week one-on-one, virtual, whole-body exercise class, 3x/week, focused on increasing respiratory rate through moderate-intensity aerobic exercises.

Locations

Country Name City State
Canada McMaster University Hamilton Ontario

Sponsors (2)

Lead Sponsor Collaborator
McMaster University Joseph Brant Hospital

Country where clinical trial is conducted

Canada, 

References & Publications (2)

Kletzien H, Russell JA, Connor NP. The effects of treadmill running on aging laryngeal muscle structure. Laryngoscope. 2016 Mar;126(3):672-7. doi: 10.1002/lary.25520. Epub 2015 Aug 8. — View Citation

Kletzien H, Russell JA, Leverson GE, Connor NP. Differential effects of targeted tongue exercise and treadmill running on aging tongue muscle structure and contractile properties. J Appl Physiol (1985). 2013 Feb 15;114(4):472-81. doi: 10.1152/japplphysiol.01370.2012. Epub 2012 Dec 20. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Change in respiratory function from baseline to end of intervention Measure via peak cough flow using a peak flow meter baseline, week 4, week 14 and week 16
Primary Change in swallowing function from baseline to end of intervention Measure via isometric tongue strength using an Iowa Oral Performance Instrument baseline, week 4, week 14 and week 16
Secondary Change in aerobic fitness from baseline to end of intervention Measure via physical capacity using the 6-minute walk test baseline, week 4, week 14 and week 16
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