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Study identifier: NCT06389149 Synced from ClinicalTrials.gov · July 29, 2026
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Leg Exercise Assistive Paddling (LEAP) Therapy for Peripheral Artery Disease

Condition: Peripheral Arterial Disease · Peripheral Vascular Disease · Peripheral Artery Occlusive Disease  ·  Sponsor: University of Nebraska

PhaseNA
Planned participants24
Who can joinAll sexes, 55 Years to 85 Years
Healthy volunteersYes

About this study

The purpose of this study is to test the effects of leg exercise assistive paddling (LEAP) therapy during prolonged sitting (PS) on vascular and functional performance in those with peripheral artery disease (PAD) and age-matched controls. LEAP therapy is a novel application of passive limb movement to enhance blood flow through the legs without muscular contractions. Specifically, LEAP therapy is the rotational passive movement of the lower leg about the knee from 90 to 180 degrees of rotation at a cadence of 1Hz. Previous literature has indicated that this movement pattern can produce robust increases in blood flow in the passively moved limb in healthy individuals, and passive limb movement may protect vascular function during PS. However, the impact of LEAP therapy to improve blood flow in the legs of those with PAD during PS is unknown. Participants will participate in a randomized cross-over design study with 2 visits (LEAP therapy and no LEAP therapy). For the first visit, participants will be randomly allocated to receive LEAP therapy during 2.5 hours of PS or not. For the second visit, participants will sit for 2.5 hours and will receive the condition that they did not previously receive. Before and after PS, the following measurements will be made: flow-mediated dilation of the popliteal and brachial arteries, arterial stiffness with tonometry techniques, microvascular vasodilatory capacity and skeletal muscle metabolic rate with near-infrared spectroscopy, autonom…

This description comes directly from the study's public registry record.

Talk to the study team

Song-Young Park, PhD  ·  402-554-3374  ·  song-youngpark@unomaha.edu

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Locations (1)

University of Nebraska - OmahaOmaha, Nebraska, United StatesRecruiting

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Source record: clinicaltrials.gov/study/NCT06389149