CompletedNot Applicable

Bio Metrology of Nonfibrous Mineral Particles in Bronchoalveolar Lavage Fluids

France105 participantsStarted 2018-12-05

Plain-language summary

The main purpose of this study is to update the pulmonary retention values of non-fibrous mineral particles in the general population. This study will provide reference values for the interpretation and diagnosis of the cause of certain respiratory diseases potentially related to mineral particles.

Who can participate

Age range18 Years

SexALL

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Inclusion Criteria: * Subjects not exposed to Non-fibrous Mineral Particle in a professional and / or environmental way. * Smokers and non-smokers (or weaners who have been weaned for at least 5 years). * Acceptance to participate in the protocol. * Affiliated to a social security scheme. Exclusion Criteria: * Suspicion of fibrosing pulmonary pathologies. * Suspicion of pulmonary sarcoidosis ≥ stage 2, pneumoconiosis. * Subjects with cystic fibrosis. * Subjects chronic obstructive pulmonary disease (COPD) stage ≥ 3. * Presence of serious comorbidities that are life-threatening in the short term. * Refusal to participate in the study.

What they're measuring

Number of non fibrous mineral particles in LBA (Bronchoalveolar lavage) (nombre of particles by ml)

Timeframe: 1 month

Trial details

NCT IDNCT03917485

SponsorCentre Hospitalier Intercommunal Creteil

Sponsor typeOTHER

Study typeOBSERVATIONAL

Primary completion2023-06-02

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