Clinical trial Recruiting at 1 site Observational Ages 18 and up

Registry of patients with eosinophilia affecting the respiratory system

Official title: Prospective Registry of Eosinophilia With Respiratory Manifestations With Translational Research Identifying and Characterizing Eosinophils

Run by Medical University Innsbruck · NCT04538937 · Data updated 2026-11-12

This study is gathering information from patients with eosinophilic lung diseases to better understand how their blood eosinophil levels relate to their breathing problems and overall health.

More Eosinophilic Granulomatosis With Polyangiitis (EGPA) trials

Quick facts

Study typeObservational
Ages18 Years and up
SexAll
Enrollment300 (estimated)
SponsorMedical University Innsbruck
Academic / other
Drugs / interventionsmepolizumab
Locations1 site (Innsbruck)
StatusRecruiting
StartedFebruary 26, 2020
Main results expectedFebruary 26, 2021
Study endsFebruary 26, 2030
Registry record updatedSeptember 4, 2020
Trial IDNCT04538937 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 with documented blood eosinophilia and evidence of respiratory tract damage caused by eosinophils.

Probably not a fit

Patients under 18 years of age, pregnant individuals, or those with dementia or incapacitating conditions 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 aims to create a registry of patients suffering from eosinophilic lung diseases, such as eosinophilic asthma and eosinophilic granulomatosis with polyangiitis. It seeks to better understand the relationship between blood eosinophil counts and respiratory manifestations, as well as the potential for organ damage in conditions like hypereosinophilic syndrome. By characterizing different subtypes of eosinophils, the study hopes to clarify the clinical relevance of eosinophilia and improve therapeutic approaches. The study does not involve any interventions but focuses on collecting and analyzing patient data.

Why it matters

Potential benefit: If successful, this study could lead to improved understanding and management of eosinophilic lung diseases, potentially enhancing patient outcomes.

How similar studies have gone: While the approach of characterizing eosinophils in respiratory diseases is not widely tested, there is ongoing interest in understanding eosinophilic conditions, suggesting potential for success.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* age ≥ 18 years
* documented blood eosinophilia ≥ 300 cells/µl
* present tissue damage of the respiratory tract caused by eosinophils

Exclusion Criteria:

* age \< 18 years
* pregnancy
* dementia
* incapacitated patients

Where it's running

  • University Clinic for Internal Medicine II
    Innsbruck, Austria
    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.