Status:

NOT_YET_RECRUITING

Interpretation of the Role of Eosinophils in Diffuse Interstitial Pneumopathies

Lead Sponsor:

Hopital Foch

Conditions:

Interstitial Lung Disease

Eligibility:

All Genders

18-75 years

Phase:

NA

Brief Summary

Diffuse interstitial lung diseases (ILDs) represent a group of rare, heterogeneous disorders of various etiologies, all sharing a common histopathological feature: fibrotic remodeling of the pulmonary...

Detailed Description

From a pathophysiological perspective, the development of interstitial lung disease (ILD) involves progressive inflammation and fibrosis. These processes gradually remodel the structure of the pulmona...

Eligibility Criteria

Inclusion

  • PID-PNE interest group (n= 30 patients): Adult subjects followed for chronic interstitial lung disease with a follow-up duration \> 1 year with at least one biological sample showing a circulating PNE level \> 300/mm3 during their follow-up, without any prescription of systemic corticosteroid therapy and antifibrotic agents (PIRFENIDONE and NINTENADIB) responsible for modulation of the eosinophil count.
  • 15 patients followed for Idiopathic Pulmonary Fibrosis (IPF) and 15 patients with another etiology of ILD will be selected.
  • PNE ILD control group (n= 30 patients): Adult subjects with ILD with a PNE level \< 150/mm3 during their follow-up, without any prescription of systemic corticosteroid therapy and antifibrotic agents (PIRFENIDONE and NINTENADIB). - Have signed a consent form.
  • Be affiliated with a health insurance plan.

Exclusion

  • Patients under 18 years of age
  • Patients over 75 years of age
  • Pregnant patients
  • Subjects with eosinophilic granulomatosis with polyangiitis (Churg-Strauss)
  • Subjects with hypereosinophilic syndrome (NEP \> 1500/mm3)
  • Subjects with chronic idiopathic eosinophilic pneumonia (Carrington disease)
  • Subjects with drug-induced interstitial lung disease
  • Subjects with respiratory failure (acute and chronic: SaO2 \> 92% throughout the procedure)
  • Subjects with unstable heart disease
  • Subjects with severe comorbidities
  • Subjects receiving oxygen therapy
  • Subjects deprived of liberty or under guardianship -Patients subject to a guardianship and judicial safeguard measure
  • PID-PNE or non-PID PNE patients receiving systemic corticosteroid therapy or antifibrotic treatment (PIRFENIDONE and NINTENADIB)

Key Trial Info

Start Date :

May 31 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

February 28 2029

Estimated Enrollment :

60 Patients enrolled

Trial Details

Trial ID

NCT06980844

Start Date

May 31 2025

End Date

February 28 2029

Last Update

May 20 2025

Active Locations (1)

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Page 1 of 1 (1 locations)

1

Drci Foch Hospital

Suresnes, Suresnes, France, 92160