Mild Cognitive Impairment Clinical Trial
— MCI PLIEOfficial title:
Preventing Loss of Independence Through Exercise (PLIÉ) in Persons With Mild Cognitive Impairment (MCI)
Verified date | November 2020 |
Source | University of California, San Francisco |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Nearly 1 in 10 older Americans have dementia, which is a devastating condition that leads to a progressive loss of independence and functional status. Mild cognitive impairment (MCI) is an intermediate stage between the expected cognitive decline of normal aging and the more-serious decline of dementia. The investigators have developed a novel, integrative exercise program called Preventing Loss of Independence through Exercise (PLIE) that incorporates elements from Eastern and Western exercise modalities and is designed to build and maintain the capacity to perform basic functional movements while increasing mindful body awareness and enhancing social connection. Pilot study results suggest that PLIE is associated with meaningful improvements in physical function, cognitive function and quality of life in individuals with dementia, as well as reduced caregiver burden. The goal of the current study is to perform a randomized, controlled trial to test the efficacy of PLIE in older adults who have MCI but who do not yet have dementia. The investigators will also investigate the neural mechanisms underlying PLIE by acquiring brain imaging measures.
Status | Completed |
Enrollment | 33 |
Est. completion date | October 30, 2020 |
Est. primary completion date | October 30, 2020 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 50 Years and older |
Eligibility | Inclusion Criteria: - diagnosis of Mild Cognitive Impairment (MCI) by primary care physician and/or neurologist - English language fluency - willing to attend PLIÉ classes 2 days/week - ambulatory and able to take 2 steps without cane or walker; living in the community in a private home or apartment Exclusion Criteria: - Behavioral or physical issues that would be disruptive or dangerous to themselves or others (e.g., active psychosis, drug abuse, severe behavioral issues) - Unable to attend 2 PLIÉ classes/week during the study period - Physical or mental health condition that would make participation difficult (e.g., active psychosis, limited life expectancy) - Contraindications to magnetic resonance imaging (MRI), including claustrophobia severe enough to prevent MRI examination, and presence of ferrometallic objects in the body that would interfere with MRI examination and/or cause a safety risk (e.g., pace makers, implanted stimulators, pumps). - Started dementia medication (cholinesterase inhibitor or memantine) in past 3 months - Planning to start/change any psychotropic medication during the study period - Current participation in another research study |
Country | Name | City | State |
---|---|---|---|
United States | San Francisco VA Medical Center, San Francisco, CA | San Francisco | California |
Lead Sponsor | Collaborator |
---|---|
University of California, San Francisco | United States Department of Defense |
United States,
Barnes DE, Mehling W, Wu E, Beristianos M, Yaffe K, Skultety K, Chesney MA. Preventing loss of independence through exercise (PLIÉ): a pilot clinical trial in older adults with dementia. PLoS One. 2015 Feb 11;10(2):e0113367. doi: 10.1371/journal.pone.0113 — View Citation
Wu E, Barnes DE, Ackerman SL, Lee J, Chesney M, Mehling WE. Preventing Loss of Independence through Exercise (PLIÉ): qualitative analysis of a clinical trial in older adults with dementia. Aging Ment Health. 2015;19(4):353-62. doi: 10.1080/13607863.2014.9 — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Short Physical Performance Battery (SPPB) | The SPPB was developed by the National Institute on Aging to provide an objective tool for measuring physical performance in older adults. Lower body strength is assessed based on time to complete 5 chair stands without using arms. Balance is assessed based on the ability to hold different stands for 10 seconds, including the side-by-side, semi-tandem and full tandem stands. Mobility is assessed based on usual walking speed over a 3-meter walking course. The total SPPB score is the sum of the 3 component scores and may range from 0 to 12. Prior studies have found that the SPPB is valid and reliable and associated with important outcomes including disability and mortality. A recent systematic review concluded that the SPPB was one of the best tools available to measure physical performance in older adults based on reliability, validity and responsiveness. | baseline to 4 months | |
Primary | Alzheimer's Disease Assessment Scale - Cognitive Subscale (ADAS-cog) | The Alzheimer's Disease Assessment Scale - cognitive subscale (ADAS-cog) is one of the most commonly used outcome measures in dementia drug treatment trials and is one of the measures considered by the Food and Drug Administration for approval of dementia medications. It includes direct assessment of learning (10-word list), naming (objects), following commands, constructional praxis (figure copying), ideational praxis (mailing a letter), orientation (person, time, place), recognition memory and remembering test instructions and is scored on an 80-point scale with higher scores reflecting worse cognitive function. Prior studies have found the ADAS-cog to be valid and reliable with Cronbach's alpha greater than 0.8 and test-retest reliability above 0.9 | baseline to 4 months | |
Primary | Change in Default Mode Network (DMN) functional connectivity, as measured by resting state functional Magnetic Resonance Imaging (rs-fMRI) as quantified by 3 Tesla MR imaging. | The DMN is a network of interacting brain regions known to have activity highly correlated with each other and distinct from other networks in the brain. Evidence has pointed to disruptions in the DMN with people with Mild Cognitive Impairment (MCI) and Alzheimer's disease (AD). | baseline to 4 months | |
Primary | Change in cerebral perfusion, as measured by arterial spin labeled (ASL) perfusion MRI as quantified by 3 Tesla MR imaging. | Cerebral perfusion pressure measures blood flow to the brain | baseline to 4 months | |
Secondary | Quality of Life Scale in Alzheimer's Disease (QOL-AD) | The Quality of Life Scale in Alzheimer's Disease (QOL-AD) is a standard quality of life measure that asks parallel questions of affected individuals and caregivers. Current quality of life is rated as poor (1 point), fair (2 points), good (3 points) or excellent (4 points) in 13 areas: physical health, energy, mood, living situation, memory, family, marriage, friends, self as a whole, ability to do chores around the house, ability to do things for fun, money, and life as a whole. Scores may range from 13 to 52 with higher scores reflecting better quality of life. Prior studies have found that the QOL-AD is a valid and reliable measure, with Cronbach's alpha of 0.84 for patient reports and 0.86 for caregiver reports and interrater reliability based on Cohen's kappa values >0.70. | baseline to 4 months | |
Secondary | Change in hippocampal subfield volumes as quantified by 3 Tesla MR imaging | Change in the volume of various subfields of the hippocampus, a brain structure critical for learning and memory that is compromised in patients with MCI and AD. | baseline to 4 months |
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