Feasibility and Effectiveness of Concurrent Exercise Training on Frail Older Adults Living in Nursing Homes

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

46 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-10-01

Study Completion Date

2023-12-15

Brief Summary

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The present study is a crossover randomized controlled trial that aims to investigate the effects of concurrent exercise training over usual care on physical performance, muscle strength, and myokines concentrations in frail older adults living in nursing homes.The main questions it aims to answer is: Can a 12-week exercise intervention provide beneficial effects on physical performance, muscle strength and myokines among the most frail participants? Researchers will compare this intervention to usual care. Nursing homes (comprising participants) will be randomly assigned to a sequence of interventions (AB or BA), being A -exercise and B usual care. Participants will be assessed before and after each intervention.

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Detailed Description

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The present study is a crossover randomized controlled trial that aims to investigate the effectiveness of a concurrent exercise training over usual care on physical performance, muscle strength, and myokines concentrations in frail older adults living in nursing homes. Nursing homes will be randomly assigned to receive a sequence of interventions (AB or BA), being A -exercise and B usual care. Participants will receive a 12-weeks of either exercise intervention or usual care. A 4-week washout period will be conducted between interventions. Participants will assessed before and after each intervention.

Conditions

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Frailty

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

The trial will follow a 28-week crossover design: 12 weeks for the first intervention period, a 4-week washout, and another 12 weeks for the second intervention period. Nursing homes (clusters) were randomized into sequences (AB or BA), where intervention A involve concurrent exercise training, and B is usual care.

Data collection will occurre at four points: baseline, post-first intervention period, post-washout/pre-second intervention period and post-crossover.

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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Exercise

Progressive concurrent exercise training

Group Type EXPERIMENTAL

Exercise training

Intervention Type BEHAVIORAL

The exercise intervention will take place at the nursing homes and consists of 12 weeks of supervised concurrent exercise training, performed thrice weekly on nonconsecutive days to avoid overtraining and fatigue. Each session will last 50-60 min and consist of a warm-up, resistance plus aerobic training, and a 5-min cool-down period. The resistance training will comprise 2-3 sets of 10 to 15 repetitions with a load equivalent to 40 to 70% of the 1-repetition maximum (1RM) for upper (i.e., bicep curl) and lower body exercises (i.e., seated knee extension). The sit-to-stand exercise will be performed as fast as possible according to each participant's capacity without external load. The recovery between sets is between 1 and 2 min. Afterwards, participants will perform walking exercises with changes in pace and direction. The duration of the aerobic training will progress from 5-10 min duration in the first weeks to 10-15 min. The sessions will end with stretching exercises.The exercise

Usual Care

The usual care

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Exercise training

The exercise intervention will take place at the nursing homes and consists of 12 weeks of supervised concurrent exercise training, performed thrice weekly on nonconsecutive days to avoid overtraining and fatigue. Each session will last 50-60 min and consist of a warm-up, resistance plus aerobic training, and a 5-min cool-down period. The resistance training will comprise 2-3 sets of 10 to 15 repetitions with a load equivalent to 40 to 70% of the 1-repetition maximum (1RM) for upper (i.e., bicep curl) and lower body exercises (i.e., seated knee extension). The sit-to-stand exercise will be performed as fast as possible according to each participant's capacity without external load. The recovery between sets is between 1 and 2 min. Afterwards, participants will perform walking exercises with changes in pace and direction. The duration of the aerobic training will progress from 5-10 min duration in the first weeks to 10-15 min. The sessions will end with stretching exercises.The exercise

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Classified as frail according to the Fried criteria (e.g., frailty phenotype ≥ 3 criteria);
* Not having participated in any exercise intervention for the last 3 months;
* Being able to ambulate (with/without assistance).

Exclusion Criteria

* Any contraindication that could affect physical exercise performance or testing procedures, including terminal illness, uncontrolled disease or other unstable medical condition;
* Bone fracture in the past three months;
* having a short physical performance battery score (SPPB) \< 3.

Minimum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No