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NCT03888040

Fatigability of Lower Limb Muscle in Older Adults: Protective Effects of Strength Training Exercise in Old Men and Women

Status unknown NA Last updated 11 February 2025
What this trial tests

NA trial testing Exercise in Aging in 120 participants. Status unknown.

Timeline
1 September 2020
Primary endpoint
31 March 2025
31 August 2025

Quick facts

Lead sponsorMarquette University
PhaseNA
StatusStatus unknown
Study typeINTERVENTIONAL
Allocationrandomized
Designparallel
Maskingnone
Primary purposetreatment
Enrollment120
Start date1 September 2020
Primary completion31 March 2025
Estimated completion31 August 2025
Sites1 location across United States

Drugs / interventions tested

Conditions studied

Sponsor

Marquette University

Who can join

Adults 18 to 100, any sex, with Aging. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

The proposed studies will assess 1) the mechanisms for the age-related increase in fatigability during dynamic exercise (Aims 1 and 2) and 2) the effectiveness of high-velocity resistance training coupled with blood flow restriction (BFR) in improving muscle power output and fatigability in older adults (Aim 3). The first two aims are cross-sectional studies comparing young (18-35 years old) and older adults (≥60 yrs old) to test our central hypothesis that the greater accumulation of metabolites and increase in fatigability in older adults is due to either age-related impairments in skeletal muscle bioenergetics (Aim 1) and/or vascular dysfunction (Aim 2). These two aims will integrate techniques to assess whole-muscle bioenergetics (31P-MRS) and in vivo vascular function (near infrared spectroscopy; NIRS and doppler ultrasonography) with in vitro assessment of single fiber bioenergetics (epifluorescence microscopy) and vasoreactivity of isolated skeletal muscle arterioles (video microscopy). We will then determine whether bioenergetics, vascular function and fatigability are altered in older men and women in response to 8 weeks of resistance exercise training of the lower limb both with and without blood flow restriction (Aim 3).

Publications & conference data

No peer-reviewed publications indexed yet for this trial.

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Other trials of Exercise

Trials testing the same drug.

Other recruiting trials for Aging

Currently open trials in the same condition.

Other Marquette University trials

Trials by the same sponsor.

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Data sources for this page

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