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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04999501
Other study ID # FONDECYT 11180949
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date June 10, 2018
Est. completion date October 30, 2022

Study information

Verified date November 2022
Source Universidad de La Frontera
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Background: Aging is associated with muscle mass and strength loss and "oldest" old people (≥85 y) are at a far greater risk of developing sarcopenia. Training increases muscle mass and strength in a variety of populations, yet the efficacy has not been clearly defined for individuals in the fourth age (≥80 y). Hypothesis: The following hypotheses will be investigated: - Twelve weeks of progressive resistance-type exercise training increases muscle mass and strength in young old (65-75 y) and oldest old (85 y and over) subjects. - The training-induced increase in muscle mass and strength is relatively greater in young old subjects when compared to oldest old subjects. Goals: The primary aim of this study is to compare the effect of resistance-type exercise training on skeletal muscle mass (i.e. quadriceps cross-sectional area and whole body lean mass) in young old and oldest old subjects. Specific goals - Determine whether resistance-type exercise training can increase muscle mass and muscle strength in young old and oldest old subjects. - Determine whether resistance-type exercise training can improve physical performance in young old and oldest old subjects. - Identify whether inflammatory markers (i.e., TNFα, IL-4, IL-6, IL-10, IL-13) are up- or down-regulated in young old and oldest old subjects before and after resistance-type exercise training. Methodology: Study design Sixty older females and males (young old group: n=30, 65-75 y; oldest old group: n=30, 85 y and over) will be included in this prospective clinical trial. All volunteers will be subjected to 12 weeks of whole-body resistance-type exercise training (3x/wk). Before, and after 6 and 12 weeks of training, a computed tomography (CT) scan of the upper leg will be performed to assess quadriceps cross sectional area. On those days, fasting blood samples will be obtained and whole-body dual energy x-ray absorptiometry (DEXA) scan will also be performed. Maximal strength will be determined by 1-repetition maximum (1RM) and physical functioning by the short physical performance battery (SPPB) at the same time points.


Description:

Background: Aging is associated with muscle mass and strength loss and "oldest" old people (≥85 y) are at a far greater risk of developing sarcopenia. Training increases muscle mass and strength in a variety of populations, yet the efficacy has not been clearly defined for individuals in the fourth age (≥80 y). A better understanding of the skeletal muscle adaptive response to resistance-type exercise training with advanced age will provide a strong basis to develop and implement care programs within our rapidly aging population, in which the "oldest" old represent the fastest growing group. Hypothesis: The following hypotheses will be investigated: - Twelve weeks of progressive resistance-type exercise training increases muscle mass and strength in young old (65-75 y) and oldest old (85 y and over) subjects. - The training-induced increase in muscle mass and strength is relatively greater in young old subjects when compared to oldest old subjects. Goals: The primary aim of this study is to compare the effect of resistance-type exercise training on skeletal muscle mass (i.e. quadriceps cross-sectional area and whole body lean mass) in young old and oldest old subjects. Specific goals - Determine whether resistance-type exercise training can increase muscle mass and muscle strength in young old and oldest old subjects. - Determine whether resistance-type exercise training can improve physical performance in young old and oldest old subjects. - Identify whether inflammatory markers (i.e., TNFα, IL-4, IL-6, IL-10, IL-13) are up- or down-regulated in young old and oldest old subjects before and after resistance-type exercise training. Methodology: Study design Sixty older females and males (young old group: n=30, 65-75 y; oldest old group: n=30, 85 y and over) will be included in this prospective clinical trial. All volunteers will be subjected to 12 weeks of whole-body resistance-type exercise training (3x/wk). Before, and after 6 and 12 weeks of training, a computed tomography (CT) scan of the upper leg will be performed to assess quadriceps cross sectional area. On those days, fasting blood samples will be obtained and whole-body dual energy x-ray absorptiometry (DEXA) scan will also be performed. Maximal strength will be determined by 1-repetition maximum (1RM) and physical functioning by the short physical performance battery (SPPB) at the same time points. Study parameters/endpoints - The main study endpoint is the increase in quadriceps cross-sectional area as assessed via CT scan. - Secondary endpoints include: Whole-body and segmental body composition (i.e., lean mass, fat mass, bone mineral content; DEXA scan); Maximal strength assessment (1RM); Hand grip strength; Short physical performance battery (SPPB); Inflammatory and molecular markers (blood samples analysis). - Other study parameters include: Age, body weight, body height, body mass index (BMI), lipid profile, glucose, and insulin. Expected results: The impact of resistance-type exercise training to increase muscle mass and strength in the oldest old population remains unclear. With the proposed project, we expect that resistance-type exercise training will increase muscle mass and strength, although the impact will be relatively lower in the oldest old group when compared with a group of young old individuals. The potential findings will define the efficacy of resistance-type exercise training to increase muscle mass and strength in individuals with advancing age. Better maintenance, or even an increase in muscle mass and strength increases independence, prolonging good health, recovery from disease and illness, and ultimately decreases burden on healthcare systems. This information will have a beneficial impact in the exercise physiology and aging areas for future interventions at the local, regional, national and international levels.


Recruitment information / eligibility

Status Completed
Enrollment 31
Est. completion date October 30, 2022
Est. primary completion date July 8, 2021
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 65 Years and older
Eligibility Inclusion Criteria: - Aged from 65-75 and 85 and more years. - 18.5 < BMI < 30 kg/m2. - Older people that are still "community-dwelling", i.e., not living in a nursing-home or elderly-home. Exclusion Criteria: - Performing regular resistance training (2 or more times per week, carrying out progressive training) in the previous 6 months. - Cardiovascular diseases that are contradictory for physical activity (not included controlled Hypertension). - All co-morbidities interacting with mobility and muscle metabolism of the body and that do not allow to (safely) perform the resistance-type exercise program (e.g. debilitating arthritis, spasticity/rigidity, all neurological disorders and paralysis).

Study Design


Related Conditions & MeSH terms


Intervention

Other:
Prolonged resistance-type exercise training
All volunteers will be subjected to 12 weeks of whole-body resistance-type exercise training (3x/wk).

Locations

Country Name City State
Chile Department of Internal Medicine, Faculty of Medicine, Universidad de La Frontera. Temuco, Chile Temuco

Sponsors (2)

Lead Sponsor Collaborator
Universidad de La Frontera Fondo Nacional de Desarrollo Científico y Tecnológico, Chile

Country where clinical trial is conducted

Chile, 

Outcome

Type Measure Description Time frame Safety issue
Primary Change in skeletal muscle mass (measured via Computed tomography (CT) scan) after prolonged resistance-type exercise training Cross-sectional area of the quadriceps and L3 region via single-slice CT scan Before, and after 6 and 12 weeks of training
Secondary Change in lean tissue (measured via Dual Energy X-ray Absorptiometry (DEXA) scan) after prolonged resistance-type exercise training Measurement of Whole Body Composition via DEXA Before, and after 6 and 12 weeks of training
Secondary Change in arms and legs strength (measured via 1-Repetition Maximum (1RM) testing) after prolonged resistance-type exercise training Maximal strength assessment via 1RM testing of horizontal row, lat pull down, chest press, leg press, and leg extension) Before, and after 6 and 12 weeks of training
Secondary Change in hand grip strength (measured via JAMAR handheld dynamometer) after prolonged resistance-type exercise training Maximal strength assessment via 1RM testing of JAMAR handheld dynamometer. Before, and after 6 and 12 weeks of training
Secondary Change in physical performance (measured via Short physical performance battery (SPPB)) after prolonged resistance-type exercise training Measurement of physical performance via SPPB Before, and after 6 and 12 weeks of training
Secondary Change in Inflammatory markers via ELISA after prolonged resistance-type exercise training Measurement in blood samples via ELISA Before, and after 6 and 12 weeks of training,
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