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BronchiectasisNCT02656992

Effects of High Intensity Inspiratory Muscle Training on Exercise Capacity in Patients With Bronchiectasis

A study testing Inspiratory muscle training group in people with Bronchiectasis, run by Hacettepe University at 1 site in Turkey (Türkiye).

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Reduced exercise tolerance is commonly reported in patients with bronchiectasis. The purpose of this study is to evaluate the effects of high-intensity inspiratory muscle training (High-IMT) and sham High-IMT (control) on exercise capacity, respiratory muscle function (strength and endurance) and health related… Read more about this study

Who is it for?
Ages 18 to 65 years
Conditions the study is for
Bronchiectasis
What is being tested?
Inspiratory muscle training group
Type of treatment
Medical device
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
45 participants
Where
1 siteTurkey (Türkiye)
Study dates
Sep 2014to 5 Jan 2018
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 65 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • diagnosis of bronchiectasis with high resolution computed tomography
  • being 18-65 years of age
  • being able to walk and co-operate

Who cannot join

  • acute exacerbation or change in drugs or usage of antibiotics in last 3 weeks
  • neurological disease, severe orthopaedic problem or advanced heart failure

Trial locations and contacts

1 site in 1 country.

Turkey (Türkiye)1 site
  • Ozge Ozer

    Ankara, 06450

Other trials in Turkey (Türkiye)

About this study

Reduced exercise tolerance is commonly reported in patients with bronchiectasis. The purpose of this study is to evaluate the effects of high-intensity inspiratory muscle training (High-IMT) and sham High-IMT (control) on exercise capacity, respiratory muscle function (strength and endurance) and health related quality of life in patients with bronchiectasis.

Read the detailed description

Bronchiectasis often demonstrates decreased exercise tolerance, marked dyspnea and fatigue. The causes are multifactorial and include altered pulmonary mechanics, inefficient gas exchange, decreased muscle mass, and psychological status, which all lead to a progressive detraining effect. Essentially both the pathology and the functional manifestations of bronchiectasis increase the demand for inspiratory muscle work and that contribute to dyspnea and exercise limitation.

In recent studies reduced strength of respiratory muscles are investigated in bronchiectasis and can be contribute the exercise limitation. Additionally IMT has shown to improve respiratory muscle function, exercise tolerance and dyspnea in patients with bronchiectasis. Despite this, the number of studies are inadequate and so the optimal training protocol remains still to be defined. In this study the researchers want to investigate the effects of high-intensity inspiratory muscle training in functional results in patients with bronchiectasis.

Conditions
Bronchiectasis
Being tested
Inspiratory muscle training group
Keywords
Bronchiectasis, High-intensity inspiratory muscle training
Medical subject headings
Bronchiectasis

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Inspiratory muscle training groupDevice

Study groups in NCT02656992
Study groupRoleWhat they receive
High-IMT groupExperimentalIntervention group receive supervised training sessions three times per week for 8 weeks. Each sessions lasted 21 minutes and comprised seven cycles of 2 minutes of breathing on an inspiratory threshold device followed by 1 minute of rest. High-IMT was performed at the maximal load tolerable for each 2-minute work interval and was progressively increased over the training period.
Receives: Device: Inspiratory muscle training group
Control groupSham comparatorControl group was prescribed at 10% of baseline maximal inspiratory pressure, and remained at this level during all training sessions for 8 weeks.
Receives: Device: Inspiratory muscle training group

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Exercise capacity using incremental shuttle walk test and 6-minute walk test

    • The incremental shuttle walk test will be performed in an enclosed corridor. Patients are required to walk back and forth, turning around two cones placed 9 meters apart making the shuttle distance 10 meters long. Patients will follow the rhythm dictated by the audio signal.
    • 6-minute walk test will be performed in a long, straight, enclosed corridor 30 meters in length. Patients are required to walk in their walking speed with standardised instructions. The distance walked by subjects during 6 minutes will be recorded.

    Measured: Baseline to 8 weeks

Secondary outcomes (6)
  1. Respiratory muscle strength

    Respiratory muscle strength is measured through maximal inspiratory pressure (MIP) and maximal expiratory pressure (MEP) using a handheld device.

    Measured: Baseline to 8 weeks

  2. Respiratory muscle endurance

    Respiratory muscle endurance is assessed with constant and progressive loading protocols which subjects breathe against threshold loads.

    Measured: Baseline to 8 weeks

  3. Health related quality of life is assessed with Leicester Cough Questionnaire

    Measured: Baseline to 8 weeks

  4. Dyspnea severity is assessed with The Modified Medical Research Council Dyspnea Scale (MMRC)

    Measured: Baseline to 8 weeks

  5. Fatigue severity is assessed with Fatigue Severity Index

    Measured: Baseline to 8 weeks

  6. Severity of disease is assessed with Bronchiectasis Severity Index

    Measured: Baseline to 8 weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted15 Jan 2016 (estimated)
  2. Study startSep 2014
  3. Primary completion25 Dec 2017
  4. Study completion5 Jan 2018

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Single blind
Who is masked
Participant
Enrolment
45 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02656992
Sponsor's protocol ID
GO 13/292
Status last verified
Aug 2018
First submitted
20 Nov 2015
Last updated
3 Aug 2018
Results posted
No
Data monitoring committee
No

Publications

  • Ozalp O, Inal-Ince D, Cakmak A, Calik-Kutukcu E, Saglam M, Savci S, Vardar-Yagli N, Arikan H, Karakaya J, Coplu L. High-intensity inspiratory muscle training in bronchiectasis: A randomized controlled trial. Respirology. 2019 Mar;24(3):246-253. doi: 10.1111/resp.13397. Epub 2018 Sep 12.

    PubMed 30209855

Questions about this trial

What is this clinical trial studying?

A study testing Inspiratory muscle training group in people with Bronchiectasis, run by Hacettepe University at 1 site in Turkey (Türkiye).

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 2 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 3 Aug 2018. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Turkey (Türkiye). Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Exercise capacity using incremental shuttle walk test and 6-minute walk test (time frame: Baseline to 8 weeks). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT02656992, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 3 Aug 2018.

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