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Clinical Trial Summary

The study's objective is to determine the feasibility of low-load resistance training with blood flow restriction in people who have advanced Parkinson's disease and impaired mobility using a mixed-methods convergent parallel design in a single cohort. The study's long-term goal is to develop clinically feasible exercise interventions that are effective at improving mobility, participation, and quality of life for people with advanced Parkinson's disease.


Clinical Trial Description

This study will use a mixed-methods convergent parallel design to determine the feasibility of low-load BFR training in 20 people with advanced PD symptoms and impaired mobility (Hoehn and Yahr Stage [H&Y] 3-4). All participants will receive low intensity resistance training (20-30% of 1RM) with BFR targeting knee extensor, ankle plantarflexor, and elbow extensor muscles 2x/week for 8 weeks. Intervention will be delivered by a physical therapist with specialized training in BFR. Pre-defined feasibility criteria will be assessed in the primary aim. Outcomes assessed before and immediately after the 8-week intervention will include quantitative muscle strength and mobility assessments, and quantitative and qualitative data on health-related QOL. Aim 1: Determine low-load BFR training feasibility based on the following quantitative and qualitative criteria: 1) enrolling 20 participants, 2) retaining ≥80% participants, 3) obtaining ≥80% intervention adherence, 4) having no serious intervention-related adverse events, and 5) quantitatively and qualitatively measured acceptability. Aim 2: Determine changes in 1) knee extensor, ankle plantarflexor, and elbow extensor muscle strength using fixed myometry and 2) instrumented functional mobility (30-second Sit-to-Stand, Timed up and Go, self-selected walking speed, and Berg Balance Scale) using a system of inertial measurement unit wearable sensors. Exploratory Aim: Understand health-related QOL changes using the Parkinson's Disease Questionnaire-39 (PDQ-39) and semi-structured interviews to elucidate how components of the intervention translate into QOL changes through a mixed-method analysis of PDQ-39 constructs of mobility, activities of daily living, emotional well-being, social stigma, social support, cognition, communications, and bodily discomfort. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05806775
Study type Interventional
Source University of Colorado, Denver
Contact Mark M Manago, DPT PhD NCS
Phone 303-564-9428
Email mark.manago@cuanschutz.edu
Status Recruiting
Phase N/A
Start date April 1, 2023
Completion date July 31, 2024

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