Status:

UNKNOWN

Phenotype Assessment of Blood and Airway Eosinophils in Patients With COPD and Asthma

Lead Sponsor:

Medical University of Warsaw

Conditions:

COPD Asthma

Eosinophilic Asthma

Eligibility:

All Genders

18-80 years

Brief Summary

Around 1/3 of patients with COPD have elevated eosinophil levels. However, the role of eosinophils in COPD has not been yet understood and is probably different in COPD and in asthma. The aim of this ...

Eligibility Criteria

Inclusion

  • Diagnosis of COPD according to GOLD 2019 or asthma according to GINA 2021
  • Peripheral blood eosinophil count ≥ 100 / μL
  • Age ≥40 years (COPD), ≥18 years (asthma)
  • History of cigarette smoking: ≥10 pack-years (for COPD)
  • Stable disease period (at least 3 months without exacerbation)
  • Exclusion of parasitic diseases
  • Informed consent to participate in the study

Exclusion

  • COPD and asthma overlap
  • Use of systemic corticosteroids in the 3 months prior to the study
  • Respiratory infection or exacerbation in the 3 months prior to the study
  • Acute and chronic respiratory failure
  • Concomitant diagnoses: systemic connective tissue diseases, malignant neoplasms, severe and / or uncontrolled cardiovascular diseases
  • Use of immunosuppressive or immunomodulating drugs in the 3 months preceding the study
  • Contraindications to sputum induction
  • No consent to participate in the study

Key Trial Info

Start Date :

September 1 2020

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

June 1 2022

Estimated Enrollment :

36 Patients enrolled

Trial Details

Trial ID

NCT05398133

Start Date

September 1 2020

End Date

June 1 2022

Last Update

May 31 2022

Active Locations (1)

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Medical University of Warsaw, Banacha Hospital

Warsaw, Poland, 02-097