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Chronic Respiratory FailureNCT02804243

The Efficacy of Nasal High Flow Oxygen Therapy With Rehabilitation in the Patients With Chronic Respiratory Failure

A study testing nasal high flow therapy in people with Chronic Respiratory Failure and Nasal High Flow Therapy, run by National Hospital Organization Minami Kyoto Hospital at 1 site in Japan.

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

The purpose of this study is to compare the exercise endurance between oxygen therapy with rehabilitation and nasal high flow therapy with rehabilitation for the patients with chronic respiratory failure receiving long-term oxygen therapy. Read more about this study

Who is it for?
Ages 20 years and older
What is being tested?
nasal high flow therapy
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
32 participants
Where
1 siteJapan
Study dates
Jun 2016to May 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 20 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Subjects with chronic respiratory failure receiving long-term oxygen therapy for more than 3 months.

Who cannot join

  • Subjects with severe cardiovascular disease, diabetes, neurological disease, and renal failure.
  • Subject who are unable to undergo rehabilitation.

Trial locations and contacts

1 site in 1 country.

Japan1 site
  • National Hospital Organization Minami Kyoto Hospital

    Jōyō, Kyoto, 610-0113

Other trials in Japan

About this study

The purpose of this study is to compare the exercise endurance between oxygen therapy with rehabilitation and nasal high flow therapy with rehabilitation for the patients with chronic respiratory failure receiving long-term oxygen therapy.

Read the detailed description

In patients with chronic respiratory failure, pulmonary rehabilitation is recognized as an evidence-based treatment in improving exercise capacity, muscle strength, dyspnea, and quality of life. Oxygen supplementation during exercise induced dose-dependent improvement in endurance and symptom perception in chronic obstructive pulmonary disease patients. Recently, nasal high flow therapy which consists of high flow gas with an FiO2 ranging from 0.21 to nearly 1.0 adjusted by an oxygen blender, brought to body temperature, and saturated with water through an in-line humidifier is available.

The present study is randomised to compare the effect of exercise endurance between oxygen therapy with rehabilitation and nasal high flow therapy with rehabilitation for the patients with chronic respiratory failure receiving long-term oxygen therapy.

Being tested
nasal high flow therapy
Keywords
nasal high flow therapy, rehabilitation, exercise endurance

What participants receive

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

  • nasal high flow therapyDevice

    The nasal high flow therapy has enabled high flow oxygen to be derived through nasal cannula. This mode not only allows constant FiO2 during peak inspiratory flow but also confers benefits including a low level of continuous positive airway pressure with increased end-expiratory lung volume and reduced work of breathing, partly through intrinsic positive end-expiration pressure compensation and dead space washout. The inspired gases are warmed and humidified, improving comfort and possibly reducing airway inflammation, leading to improved drainage of respiratory secretions.

Study groups in NCT02804243
Study groupRoleWhat they receive
nasal high flow therapyActive comparatorIn this group, patients have undergone rehabilitation under the nasal high flow therapy (FiO2 100%, oxygen flow from 30 to 60 L/min) during four weeks.
Receives: Device: nasal high flow therapy
oxygen therapyNo interventionIn this group, patients have undergone rehabilitation under the oxygen therapy via a nasal canula (6 L/min) during four weeks.

What is being measured

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

  1. Walk distance (measured by six minutes walking test)

    Measured: Four weeks

Secondary outcomes (8)
  1. Six minutes walking test (minimum Oxygen Saturation of Arterial Blood Measured by Pulse Oximeter (SpO2) et.)

    Measured: Four weeks

  2. Exercise tolerance test (exercise time et.)

    Measured: Four weeks

  3. Body composition measured by InBody (muscle mass et.)

    Measured: Four weeks

  4. Arterial blood gas

    Measured: Four weeks

  5. Inflammation (CRP et.)

    Measured: Four weeks

  6. Nutritional status (body mass index(kg/m2) et.)

    Measured: Four weeks

  7. Sympathetic activity (Catecholamine et.)

    Measured: Four weeks

  8. Dyspnea (Modified Borg scale)

    Measured: Four weeks

Timeline

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

  1. First posted17 Jun 2016 (estimated)
  2. Study startJun 2016
  3. Primary completionMay 2018
  4. Study completionMay 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
Other
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
32 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02804243
Sponsor's protocol ID
27-10
Status last verified
Sep 2017
First submitted
13 Jun 2016
Last updated
30 May 2018
Results posted
No
Data monitoring committee
No
Individual data sharing
Yes

Publications

  • Chihara Y, Tsuboi T, Sumi K, Sato A. Effectiveness of high-flow nasal cannula on pulmonary rehabilitation in subjects with chronic respiratory failure. Respir Investig. 2022 Sep;60(5):658-666. doi: 10.1016/j.resinv.2022.05.002. Epub 2022 May 26.

    PubMed 35644803

Questions about this trial

What is this clinical trial studying?

A study testing nasal high flow therapy in people with Chronic Respiratory Failure and Nasal High Flow Therapy, run by National Hospital Organization Minami Kyoto Hospital at 1 site in Japan.

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 1 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 30 May 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 Japan. 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. 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?

Walk distance (measured by six minutes walking test) (time frame: Four 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 NCT02804243, 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 30 May 2018.

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