NCT06247553

To Develop a Walking Exercise Program for Non-ambulatory Stroke Survivors

• Status: Recruiting
• Phase: N/A
• Study type: Interventional
• Enrollment: 72 (estimated)
• Sponsor: University of Kansas Medical Center · Academic / Other
• Sex: All
• Age: 18 Years – 80 Years
• Healthy volunteers: Not accepted

Summary

The goal of this clinical trial is to test a gait (walking) training program in non-ambulatory (unable to walk) chronic stroke survivors. The main question it aims to answer is: • Will gait training improve the cardiovascular system in non-ambulatory chronic stroke survivors better than a sitting leg cycling exercise? Participants will walk on a treadmill with a partial body-weight support system and the gait training device. Researchers will compare with a leg-cycling exercise to see if there are significant differences in resting heart rate, systolic blood pressure (SBP), and A1c levels in the blood.

Detailed description

Stroke is a leading cause of death and permanent disability. About 795,000 strokes occur in the US each year and more than seven million Americans are living with effects of stroke. Cardiovascular diseases are commonly presented and are primary causes of death in stroke survivors. Numerous studies have proven the benefits of walking or other forms of aerobic exercise for cardiovascular and pulmonary function in people after stroke. This proposed randomized controlled efficacy trial will primarily examine whether the investigators' gait training can improve the cardiovascular system in non-ambulatory chronic stroke survivors better than a sitting leg cycling exercise. The investigators have recently developed a novel gait training device and a training program. The experimental group in the proposed project will undergo an 8-week gait training program using a treadmill with body-weight support and the investigators' novel gait training device. The control group will receive an 8-week sitting leg cycling exercise program with similar exercise intensity, frequency, and duration. The proposed project will examine differences between the two groups using a set of comprehensive outcome assessments of cardiovascular, pulmonary, and sensorimotor functions.

Conditions

• Stroke
• Walking, Difficulty
• Cardiovascular Injury

Interventions

Type	Name	Description
OTHER	Gait Training	The gait training in the experimental group will use a treadmill with a partial body-weight support system and our gait training device. A gait training session will include 2-minute warming up at the beginning and 2-minute cooling down at the end, at a treadmill speed of 0.6 mph. After the warming up, the treadmill speed will increase at every two minutes by an increment of 0.2 mph. Participant's heart rate will be monitored throughout the training session by using a Polar OH1 optical HR sensor placed in the participant's left forearm. Researchers will stop the increase and maintain the same treadmill speed after the HR reaching the target heart rate zone of 50% - 60% of age-predicted heart rate reserve.
OTHER	Leg Cycling Exercise	The leg cycling exercise will use a stationary bicycle and the similar protocol as in the experimental group. The cycling exercise will include 2-minute warming up in the beginning and 2-minute cooling down at the end with a speed of 10 rpm and resistance of level 1 of 4. After warming up, the speed will increase at every two minutes by an increment of 5 rpm until reaching the target heart rate zone of 50% - 60% of age-predicted maximum heart rate. If the participant cannot tolerate any more increase in cycling speed before reaching the target heart rate, the resistance will be increased. The training duration will be individualized at the beginning and increase weekly by 5 minutes, depending on the tolerance of the participant, up to the maximum of 30 minutes. Both heart rate and blood pressure will be monitored before, during, and after each session to ensure safety. Each session including setting up will be about one hour.

Timeline

• Start date: 2024-02-02
• Primary completion: 2027-08-31
• Completion: 2027-09-01
• First posted: 2024-02-08
• Last updated: 2025-08-01

Locations

1 site across 1 country: United States