Randomized Controlled Study to Investigate the Impact of Different Intensities Training on ADL and BODE Index in COPD

NCT ID: NCT01977469

Last Updated: 2019-02-19

Basic Information

• Recruitment Status: COMPLETED
• Clinical Phase: NA
• Total Enrollment: 45 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2013-12-31
• Study Completion Date: 2016-12-31

Brief Summary

The local and systemic manifestations that affect patients with Chronic Obstructive Pulmonary Disease (COPD) cause severe dyspnoea and limitation of functional capacity, leading to impairment in the performance of activities of daily living (ADL). The combination of aerobic and resistance training, for both upper limbs (UL) and lower limbs (LL), appears to be the physiologically most complete resource for improving quality of life and increased survival of these patients. Therefore, the aim of the study is to assess the impact of aerobic and resistance training of different intensities on the performance and dyspnoea during activities of daily living and prediction of mortality in patients with COPD. There will be include 45 COPD patients with moderate to severe obstruction, aged between 50-80 years of both gender. All patients will undergo to the following assessments and reassessments: history and anthropometric data, Scale London Chest Activity of Daily Living Scale (LCADL), modified Medical Research Council (mMRC), BODE index, test peripheral muscle strength, mobility and balance tests, 6-minute walk test (6MWT), Circuit ADL Test, 1 repetition maximum (1RM) and Incremental Cardiopulmonary Testing (ICPT). Patients will be randomly divided into two groups and undergo to the treatment program will consist of sessions lasting approximately 1 hour, three times a week for 12 consecutive weeks, totaling 36 sessions. All patients will undergo general stretching and aerobic training on a cycle ergometer with the intensity between 70-80 % of the maximum load achieved in ICPT. After aerobic training, a group of patients will achieve a protocol of low-intensity resistance training (LI-RT), with emphasis on gaining muscle strength, and the other group will be submitted to a protocol of high intensity (HI-RT), aiming greater gain in muscle strength. The calculation of the intensity of training will be conducted by the 1RM test. After the training protocol, it is expected to find improved performance and dyspnoea during activities of daily living and reduction of BODE index for both groups, however, it is expected that the group of low-intensity resistance training presents greater benefits in ADL.

Conditions

Chronic Obstructive Pulmonary Disease

Study Design

• Allocation Method: RANDOMIZED
• Intervention Model: PARALLEL
• Primary Study Purpose: TREATMENT
• Blinding Strategy: SINGLE

Study Groups

Low intensity resistance training

Low intensity resistance training + aerobic training

Group Type: EXPERIMENTAL

Low intensity resistance training

Intervention Type: BEHAVIORAL

The LIRT group initiated the resistance training for UL with 30% of the 1RM, with 5% increases each nine sessions; therefore, the maximum load was 45% of the 1RM. The LL training initiated with 30% of the 1RM, increasing 7% each nine sessions, thus, the maximum load was 51% of the 1RM. Each exercise session consisted of three sets of 15 repetitions, with a 2 minutes interval between sets.

Aerobic training

Intervention Type: BEHAVIORAL

Patients underwent an aerobic training in cycle ergometer, with load intensity determined as the same load the patient presented a VO2 value of 70-80% of the peak VO2 obtained in the symptom-limited CPET. Each session of aerobic training lasted 20-30min according to patient's tolerance.

High intensity resistance training

High intensity resistance training + aerobic training

Group Type: EXPERIMENTAL

High intensity resistance training

Intervention Type: BEHAVIORAL

the initial load for HIRT group was 60% of 1RM for UL with 5% increases each nine sessions; therefore, the maximum load reached 75% of the 1RM. The LL training initiated with 60% of the 1RM with 7% increments each nine sessions, as a result, the maximum load after 36 sessions was 81% of the 1RM. These patients underwent three sets of eight repetitions, with two minutes intervals between sets.

Aerobic training

Intervention Type: BEHAVIORAL

Patients underwent an aerobic training in cycle ergometer, with load intensity determined as the same load the patient presented a VO2 value of 70-80% of the peak VO2 obtained in the symptom-limited CPET. Each session of aerobic training lasted 20-30min according to patient's tolerance.

Interventions

Low intensity resistance training

The LIRT group initiated the resistance training for UL with 30% of the 1RM, with 5% increases each nine sessions; therefore, the maximum load was 45% of the 1RM. The LL training initiated with 30% of the 1RM, increasing 7% each nine sessions, thus, the maximum load was 51% of the 1RM. Each exercise session consisted of three sets of 15 repetitions, with a 2 minutes interval between sets.

Intervention Type: BEHAVIORAL

High intensity resistance training

the initial load for HIRT group was 60% of 1RM for UL with 5% increases each nine sessions; therefore, the maximum load reached 75% of the 1RM. The LL training initiated with 60% of the 1RM with 7% increments each nine sessions, as a result, the maximum load after 36 sessions was 81% of the 1RM. These patients underwent three sets of eight repetitions, with two minutes intervals between sets.

Intervention Type: BEHAVIORAL

Aerobic training

Patients underwent an aerobic training in cycle ergometer, with load intensity determined as the same load the patient presented a VO2 value of 70-80% of the peak VO2 obtained in the symptom-limited CPET. Each session of aerobic training lasted 20-30min according to patient's tolerance.

Intervention Type: BEHAVIORAL

Other Intervention Names

LIRT; Low-intensity resistance training; HIRT; High-intensity resistance training; AT

Eligibility Criteria

Inclusion Criteria

Inclusion Criteria:Patients both genders, with a clinical diagnosis of COPD confirmed by post bronchodilator spirometry administered by a pneumologist, classified as moderate to very severe obstruction in accordance with the GOLD criteria; ex- or non-smokers; oxygen dependent or not; clinically stable; no history of infection and no exacerbation of respiratory symptoms or changes in medication for at least two months before the study and that no present cardiac, rheumatic or an associated orthopedic disease that prevent them from performing the proposed evaluation tasks.

Exclusion Criteria:Patients who present respiratory, cardiac, rheumatic, musculoskeletal, orthopedic and neuromuscular sequels that may prevent the testing and intervention proposal; that to modify the type of medication during the study; in cases of uncontrolled hypertension or refusal to provide consent proposed in the Resolution of National Council of Health.

• Minimum Eligible Age: 50 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: No

Sponsors

Conselho Nacional de Desenvolvimento Científico e Tecnológico

OTHER_GOV

Sponsor Role: collaborator

Universidade Federal de Sao Carlos

OTHER

Sponsor Role: lead

Responsible Party

Valeria Amorim Pires Di Lorenzo

PhD

Responsibility Role: PRINCIPAL_INVESTIGATOR

Principal Investigators

Valéria Amorim Pires Di Lorenzo, PhD

Role: STUDY_DIRECTOR

Universidade Federal de Sao Carlos

Júlia Gianjoppe dos Santos, PhD

Role: PRINCIPAL_INVESTIGATOR

Universidade Federal de Sao Carlos

Marina Sallum Barusso, MsC

Role: PRINCIPAL_INVESTIGATOR

Universidade Federal de Sao Carlos

Locations

Special Respiratory Physiotherapy Unit of the Federal University of São Carlos

São Carlos, São Paulo, Brazil

Countries

Brazil

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Other Identifiers

EditalUniversal2011

Identifier Type: -

Identifier Source: org_study_id