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HealthyHV-LCINCT03447418

Multiple Breath Nitrogen Washout in Healthy Volunteers

A study testing Multiple breath nitrogen washout in people with Healthy, run by Hospices Civils de Lyon at 1 site in France.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

This study is designed to establish reference values of multiple breath nitrogen washout indexes in an healthy population of volunteers (from childhood to adulthood) Read more about this study

Who is it for?
Ages 3 years and olderHealthy volunteers can take part
Conditions the study is for
Healthy
What is being tested?
Multiple breath nitrogen washout
Type of treatment
Surgery or procedure
Could I receive a placebo?
No, everyone receives an active treatment
How many people
191 participants
Where
1 siteFrance
Study dates
6 Jul 2018to Jul 2021
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 3 years and older
  • All sexes
  • Healthy volunteers accepted
  • Child, Adult, Older adult

Who may be able to join

  • Informed consent by participant, parent, or legal guardian
  • Healthy subjects with a social insurance

Who cannot join

  • History of a lung chronic disease
  • Premature birth (<37th weeks of amenorrhea)
  • Acute lower respiratory viral infection within 3 weeks before Multiple Breath washout

Trial locations and contacts

1 site in 1 country.

France1 site, 1 recruiting
  • Hôpital Femme Mère Enfant

    Bron

    Philippe REIX, Pr

    Recruiting

Other trials in France

About this study

This study is designed to establish reference values of multiple breath nitrogen washout indexes in an healthy population of volunteers (from childhood to adulthood)

Conditions
Healthy
Being tested
Multiple breath nitrogen washout
Keywords
Lung Clearance Index, Breath Nitrogen Washout, Healthy subjects

What participants receive

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

  • Multiple breath nitrogen washoutProcedure or surgery

    Lung Clearance Index (LCI) will be performed in healthy volunteers with a multiple breath nitrogen washout device.

Study groups in NCT03447418
Study groupRoleWhat they receive
no treatment, open labelOtherNot described
Receives: Procedure: Multiple breath nitrogen washout

What is being measured

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

  1. Lung Clearance Index 2.5% (LCI 2.5%) Value

    Multiple breath washout is a pulmonary function test that does not require patients' cooperation. It studies the number of lung volumes (turn-over) to clear a gaz such as nitrogen form the lungs. LCI 2,5 is most frequently reported outcome measure. It corresponds to the sum of the total expired lung volumes needed to decrease the initial gaz concretion to its 1/40th, divided by functional residual capacity.

    LCI can be measured in infant, preschoolers and thereafter. In order to obtain reproducible tests, three acceptable maneuvers are needed.

    Measured: hour 1

Secondary outcomes (5)
  1. Lung Clearance Index 5% (LCI 5%) Value

    Measured: hour 1

  2. Moment ratio M1/M0 Value

    Measured: up to 1 hour

  3. Moment ratio M0/M2 Value

    Measured: up to 1 hour

  4. Sacin value

    assessment of distal areas function

    Measured: hour 1

  5. Scond value

    assessment of conductive areas function

    Measured: hour 1

Timeline

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

  1. First posted27 Feb 2018
  2. Study start6 Jul 2018
  3. Primary completionJul 2021 (estimated)
  4. Study completionJul 2021 (estimated)

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
Basic science
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
191 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03447418
Sponsor's protocol ID
69HCL18_0064
Acronym
HV-LCI
Status last verified
Jan 2021
First submitted
19 Feb 2018
Last updated
27 Jan 2021
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Undecided

Questions about this trial

What is this clinical trial studying?

A study testing Multiple breath nitrogen washout in people with Healthy, run by Hospices Civils de Lyon at 1 site in France.

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 2 inclusion and 3 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: status not confirmed, as of the sponsor's last update on 27 Jan 2021. 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 France. 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?

Results are not available in the source record.

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

Contact Philippe REIX, Pr (427 85 54 70 ext. +33, philippe.reix@chu-lyon.fr), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Lung Clearance Index 2.5% (LCI 2.5%) Value (time frame: hour 1). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
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 27 Jan 2021.

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