Effectiveness of Creatine Supplementation & Exercise on Muscle & Bone

Status Completed

Clinical Trial Summary

As we age, we experience a reduction in muscle and bone which inevitably decreases strength and the ability to perform tasks of daily living such as gardening, carrying groceries, and climbing stairs. Health costs associated with aging muscle and bone loss are in the billions of dollars. With the projected increase in life expectancy, the incidence of muscle and bone loss will rise and further drain the healthcare system, with greater need for hospitalization, treatment, and rehabilitation. Without effective strategies to counteract aging muscle and bone loss, we may face a healthcare crisis in the future. Creatine, a compound found in red meat and seafood, increases creatine phosphate stores in muscle, providing increased energy during high-intensity exercise. Short-term (i.e. 3-4 months) resistance-exercise and supplementation with creatine, have been shown to have a favorable effect on properties of aging muscle and bone. However, the longer-term (i.e. 1 year) effects of these interventions are unknown. Therefore, the purpose of this innovative research is to determine the longer-term effects of resistance-exercise and creatine supplementation (0.1g•kg-1) in older adults. The primary dependent variables to be assessed will include muscle hypertrophy, bone mineral and bone geometry, strength, and urinary and blood indicators of liver and kidney function. This innovative, multidisciplinary research will help contribute to the successful pursuit of prolonged independent living by improving aging musculoskeletal health for older Saskatchewan adults. Saskatchewan provides a relevant setting for this research, given the higher percentage of older adults (15%), compared to the national average (12%).

We hypothesize that creatine supplementation will increase muscle mass, strength, and bone mineral density more than placebo.

Clinical Trial Description

n/a

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator, Outcomes Assessor), Primary Purpose: Prevention

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01057680
Study type	Interventional
Source	University of Saskatchewan
Contact
Status	Completed
Phase	Phase 3
Start date	January 2010
Completion date	February 2012

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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.

Effectiveness of Creatine Supplementation and Exercise on Muscle and Bone

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms