Effects of Aerobic & Resistance Training on Accumulation of Old, Modified

Status Completed

Clinical Trial Summary

Muscle proteins accumulate damage during aging and leads to the loss of muscle mass and function in older people. Exercise can increase the making of new proteins and removal of older proteins, but it is not known if the effect changes with aging or type of exercise. The investigators will determine the ability for endurance, resistance, or a combination of exercise training to remove older-damaged proteins and make newer-functional muscle proteins in groups of younger and older people. The investigators will particularly study protein that are involved with energy production (mitochondrial proteins) and force production (contractile proteins).

Hypothesis 1: Older people will have greater accumulation of damaged proteins than younger people.

Hypothesis 2: Aerobic exercise will decrease the accumulation of damaged forms of contractile and mitochondrial proteins in younger and older people.

Hypothesis 3: Resistance exercise will decrease the accumulation of damaged forms of contractile proteins in younger and older people.

Clinical Trial Description

The loss of muscle mass and function with age leads to high social and economic costs. Lifestyle interventions that can help maintain muscle mass and function can be beneficial to improve health and decrease the costs associated with loss of independence in the elderly. Muscle proteins accumulate damage during aging, which is suggested to lead to loss of function. The biological processes that remove damaged proteins and synthesis new proteins appear to be decreased with aging. Exercise is known to increase the processes that remove older and synthesis newer muscle proteins and may be an effect lifestyle intervention to improve muscle quality and function. Additionally, specific types of proteins appear to decay with age including contractile and mitochondrial proteins. Different types of exercise training can increase the making of specific proteins. The investigators will examine the ability for aerobic and resistance training to increase the quality of mitochondrial and contractile proteins between younger and older people. ;

Study Design

Related Conditions & MeSH terms

Sarcopenia

Clinical Trial Details

NCT number	NCT01477164
Study type	Interventional
Source	Mayo Clinic
Contact
Status	Completed
Phase	N/A
Start date	November 2011
Completion date	March 2017

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Effects of Aerobic and Resistance Training on Accumulation of Old, Modified Proteins in Young and Older Adults

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms