NCT01537627

Brief Summary

Several impairing factors contribute to physical limitation in chronic obstructive pulmonary disease (COPD) as deconditioning, muscle dysfunction and physical inactivity. The available literature clearly indicates that these therapeutic targets benefit from exercise training in patients with COPD and, currently, the key point is not whether patients should or not exercise, but which is the specific contribution of each exercise modality to this population. About this topic, the characteristics of a physical training program to be offered to patients have been a point discussed among researchers in this field, although recently the high-intensity training has been recognized as superior in comparison to the low-intensity training. Literature also indicates that, in order to change the sedentary lifestyle of patients with COPD, long-term training programs are indicated. However, a doubt still remains: if long-term programs are one of the key points to reduce physical inactivity, it is not yet clear whether it is necessary to include high-intensity exercises in that long-term program. If the duration is the only factor influencing the outcomes of the program, thus the intensity of training could be reduced, increasing the adherence of patients to the protocol. Based on this hypothesis, the aim of this study is to compare the effects of two physical training protocols in a long-term rehabilitation program (6 months) in patients with COPD: a high-intensity protocol (based on endurance and resistive training) and a low-intensity protocol (based on callisthenic and breathing exercises training). It is expected that the results of this study contribute to the scientific literature by demonstrating whether low- and high-intensity training contribute equally to change the sedentary lifestyle of patients after a long-term exercise program.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
82

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Nov 2009

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 1, 2009

Completed
2.3 years until next milestone

First Submitted

Initial submission to the registry

February 14, 2012

Completed
9 days until next milestone

First Posted

Study publicly available on registry

February 23, 2012

Completed
6.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2018

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2018

Completed
Last Updated

May 3, 2017

Status Verified

May 1, 2017

Enrollment Period

8.7 years

First QC Date

February 14, 2012

Last Update Submit

May 2, 2017

Conditions

Keywords

Motor activityExerciseRehabilitation

Outcome Measures

Primary Outcomes (1)

  • Physical activity in daily life

    Main variable: time spent in physical activities of at least moderate intensity (min/day)

    Up to 4 years

Secondary Outcomes (9)

  • Functional exercise capacity

    Up to 4 years

  • Maximal exercise capacity

    Up to 4 years

  • Peripheral muscle force

    Up to 4 years

  • Respiratory muscle force

    Up to 4 years

  • Body composition

    Up to 4 years

  • +4 more secondary outcomes

Study Arms (2)

Low-intensity training (LT)

ACTIVE COMPARATOR
Other: Physical training

High-intensity training (HT)

ACTIVE COMPARATOR
Other: Physical training

Interventions

Aerobic exercises (treadmill and cycloergometer): Initially, the intensity is targeted at 60% of maximal capacity and it increases weekly until 110% of maximal capacity. Exercises duration: at least, 20 minutes. Resistive exercises (multi gym station; muscle groups: biceps, triceps and quadriceps): Initially, the intensity is targeted at 70% of one maximum repetition (1RM) and it increases weekly until 121% of 1RM. Exercises duration: 3 sets of 8 repetitions. Both exercise training are performed 3 times per week during 6 months.

High-intensity training (HT)

Eligibility Criteria

Age40 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Chronic obstructive pulmonary disease (COPD) diagnosis according to Global Initiative for Chronic Obstructive Lung Disease(GOLD)criteria
  • Clinical stability (i.e. absence of acute exacerbation in the last 3 months)
  • Absence of any unstable/severe cardiac,osteoarticular or neuromuscular disorders which could limit physical activities in daily life
  • Non participation in pulmonary rehabilitation in the last year

You may not qualify if:

  • Being unable to attend the outpatient clinic three times per week
  • Inability to understand or cooperate with the assessment methods

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Hospital Universitário Norte do Paraná (University Hospital Regional North of Parana)

Londrina, Paraná, 86038-350, Brazil

RECRUITING

MeSH Terms

Conditions

Pulmonary Disease, Chronic ObstructiveMotor Activity

Interventions

Physical Conditioning, Human

Condition Hierarchy (Ancestors)

Lung Diseases, ObstructiveLung DiseasesRespiratory Tract DiseasesChronic DiseaseDisease AttributesPathologic ProcessesPathological Conditions, Signs and SymptomsBehavior

Intervention Hierarchy (Ancestors)

ExerciseMotor ActivityMovementMusculoskeletal Physiological PhenomenaMusculoskeletal and Neural Physiological Phenomena

Study Officials

  • Fabio Pitta, PhD

    Laboratory of Research in Respiratory Physiotherapy, State University of Londrina, Brazil

    STUDY CHAIR
  • Nidia A. Hernandes, MSc

    Laboratory of Research in Respiratory Physiotherapy, State University of Londrina, Brazil

    STUDY DIRECTOR
  • Thaís Sant´Anna, PT

    Laboratory of Research in Respiratory Physiotherapy, State University of Londrina, Brazil

    PRINCIPAL INVESTIGATOR
  • Karina C. Furlanetto, PT

    Laboratory of Research in Respiratory Physiotherapy, State University of Londrina, Brazil

    PRINCIPAL INVESTIGATOR
  • Leila Donária, PT

    Laboratory of Research in Respiratory Physiotherapy, State University of Londrina, Brazil

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
PhD

Study Record Dates

First Submitted

February 14, 2012

First Posted

February 23, 2012

Study Start

November 1, 2009

Primary Completion

July 1, 2018

Study Completion

July 1, 2018

Last Updated

May 3, 2017

Record last verified: 2017-05

Locations