Status:

NOT_YET_RECRUITING

What is the Role of the Exposome in Pulmonary Hypertension

Lead Sponsor:

Poitiers University Hospital

Conditions:

Pulmonary Arterial Hypertension (PAH)

Chronic Thromboembolic Pulmonary Hypertension (CTEPH)

Eligibility:

All Genders

18+ years

Brief Summary

Pulmonary arterial hypertension (PAH) is a rare and incurable disease affecting people of all ages. It is characterized by obstructive remodeling of the small pulmonary arteries, responsible for an in...

Eligibility Criteria

Inclusion

  • Consent signed by the participant
  • Age ≥ 18 years
  • Free subject, under no legal protection
  • Good understanding of the French language, allowing to answer the questionnaires
  • Incident patients with pre-capillary PH confirmed by cardiac catheterization (PAPm \> 20mmHg, PCP ≤ 15 mmHg, RVP \> 2UW) having had the right diagnostic cardiac catheterization within one year (≤1 year) :
  • Cases: Patients with PAH without associated pathology: idiopathic or heritable, or with features of venous/capillary involvement, according to the clinical classification of PH
  • Controls: Patients with chronic thromboembolic PH (CTE-PTH, class 4), according to the clinical classification of PH.

Exclusion

  • Patients classified as HTP groups 2, 3 or 5
  • Patients with a diagnosis of PAH associated with a connective tissue disease, HIV, portal hypertension, congenital heart disease, bilharzia, or a drug or toxic cause considered certain according to the international classification (Aminorex, Benfluorex, Carfilzomib, Dasatinib, Dexfenfluramine, Fenfluramine, Methamphetamines, Mitomycin C, adulterated rapeseed oil)
  • Patients with signs of right heart failure requiring amines and/or intensive care hospitalization at time of visit (may be included at a later visit)
  • Patients refusing hair sampling or having no hair \> 2 cm to allow sampling
  • Patients benefiting from enhanced protection, i.e. minors, persons deprived of their liberty by a judicial or administrative decision, persons staying in a health or social establishment, adults under legal protection, and patients in emergency situations

Key Trial Info

Start Date :

December 1 2025

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

December 1 2027

Estimated Enrollment :

150 Patients enrolled

Trial Details

Trial ID

NCT07172334

Start Date

December 1 2025

End Date

December 1 2027

Last Update

September 15 2025

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