Clinical trial Recruiting at 1 site Observational Ages 18 and up

Analyzing exhaled breath to distinguish lung and airway diseases

Official title: Analysis of Exhaled Breath From Patients With Lung-/Airway Diseases (BigExBrESs)

Run by University of Zurich · NCT05458934 · Data updated 2026-11-12

This study is testing if analyzing the breath of people with lung and airway diseases can help tell the difference between conditions like COPD and asthma.

Quick facts

Study typeObservational
Ages18 Years and up
SexAll
Enrollment5000 (estimated)
SponsorUniversity of Zurich
Academic / other
Locations1 site (Zurich, Canton of Zurich)
StatusRecruiting
StartedMay 11, 2021
Main results expectedMay 2030
Study endsDecember 31, 2030
Registry record updatedMay 29, 2026
Trial IDNCT05458934 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are adults aged 18 and older who have been diagnosed with lung or airway diseases.

Probably not a fit

Patients with physical or intellectual impairments that prevent informed consent or adherence to the study protocol, as well as pregnant individuals, may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study focuses on analyzing the exhaled breath of patients with lung and airway diseases to identify and differentiate between various respiratory conditions. By utilizing mass spectrometry, the study aims to detect volatile organic compounds in breath, which can provide insights into the biochemical processes occurring in the body. The research employs Big Data analytics to recognize specific patterns associated with diseases like COPD and asthma, potentially enhancing disease management by predicting exacerbation risks.

Why it matters

Potential benefit: If successful, this study could lead to improved diagnosis and management of lung and airway diseases through non-invasive breath analysis.

How similar studies have gone: Other studies utilizing breath analysis for respiratory diseases have shown promising results, indicating that this approach is gaining traction in the medical field.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Signed informed consent
* Age ≥ 18 years at study entry

Exclusion Criteria:

* Physical or intellectual impairment precluding informed consent or protocol adherence
* Known pregnancy

Where it's running

  • University Hospital Zurich
    Zurich, Canton of Zurich, Switzerland
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.