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NOT YET RECRUITING
NCT07506681
NA

IMAT Quality in Aging

Sponsor: Washington University School of Medicine

View on ClinicalTrials.gov

Summary

This study will test the central hypothesis that fat within the muscle, or intramuscular adipose tissue (IMAT), exhibits elevated damage and pro-inflammatory signaling with aging, both of which are reduced by progressive resistance exercise (PRE). Sixteen older adults 65-80 years old will be recruited and complete a 12 week calf PRE intervention. Calf muscle strength, composition (measured by computed tomography) and muscle biopsies will be collected before and after the intervention. Histology, transcriptomic and secretomic tests will be completed to assess signs of damage and inflammation.

Official title: Targeting Intramuscular Adipose Quality in Aging

Key Details

Gender

All

Age Range

65 Years - 80 Years

Study Type

INTERVENTIONAL

Enrollment

16

Start Date

2026-04-15

Completion Date

2028-01

Last Updated

2026-04-02

Healthy Volunteers

Yes

Conditions

Interventions

OTHER

Calf muscle strengthening

The calf intervention will be delivered 3x/wk for 12 weeks over zoom, in small groups. There are 3 exercises 1) standing heel rise, 2) seated heel rise, and 3) long sitting ankle plantarflexion. The exercises will be overloaded using a weighted vest, body weight, and/or theraband. Exercises will be progressed as strength improves.

Locations (1)

Washington University

St Louis, Missouri, United States