Number of Multiple Breath Washout Tests in Adults With Pulmonary Disease and Healthy Controls

Determination of the Optimal Number of Multiple Breath Washout Tests in Adults With Pulmonary Disease and Healthy Controls

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT03176745

Enrollment

153

Registered

2017-06-05

Start date

2015-07-01

Completion date

2017-01-15

Last updated

2017-06-05

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy Controls, Chronic Obstructive Pulmonary Disease, Bronchial Asthma, Sarcoidosis

Brief summary

The investigators aim to determine the optimal number of measurements required for multiple-breath-washout derived lung function parameters in adults with pulmonary disease as well as in healthy controls

Interventions

DIAGNOSTIC_TESTmultiple breath washout

determination of lung clearance index using SF6 multiple breath washout

Study design

Observational model

COHORT

Time perspective

CROSS_SECTIONAL

Eligibility

Sex/Gender

ALL

Age

18 Years to 99 Years

Healthy volunteers

Yes

Inclusion criteria

\- informed consent

Exclusion criteria

* inability to perform multiple breath washout testing

Design outcomes

Primary

Measure	Time frame	Description
change of lung clearance index (LCI) as determined by multiple breath washout	60 minutes	comparing the repeatability of duplicate vs. triplicate LCI measurements

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 8, 2026