Recruiting
Study of the Impact of Exposure to Outdoor and Indoor Pollutants in Patients With Asthma
The project is to measure exposure to outdoor and indoor air pollutants in asthma patients in order to show a possible association between variation in pollutant exposure and the occurrence of exacerbations in these patients
ClinicalTrials.gov IDNCT05525169
PhaseNot Applicable
Enrollment30
SponsorNantes University Hospital
Age18 Years
SexALL
Conditions studied
Asthma
About this study
The project is to measure exposure to outdoor and indoor air pollutants in asthma patients in order to show a possible association between variation in pollutant exposure and the occurrence of exacerbations in these patients
Primary outcomes
- Asthma exacerbations (36 months)
Eligibility information
Inclusion Criteria:
* Patient over 18 years of age,
* Patient with a confirmed diagnosis of asthma for at least 12 months as defined by the investigator,
* Patient with at least 4 asthma exacerbations in the last year
* Patient sleeping at least 6 nights per week in the same home
Exclusion Criteria:
* Patient who is an active smoker or living with an active smoker,
* Patient with a diagnosis of COPD, ABPA or associated pulmonary fibrosis,
* Patient with an asthma exacerbation within 15 days prior to the inclusion visit,
* Patient with known occupational exposure,
* Patient living in a dwelling that does not allow the installation of sensors (inability to connect the sensor to the power supply, no location for the outdoor sensor...)
* Patient who plans to move in the next 6 months,
* Patient with a life expectancy of less than 6 months,
* Patient who has someone living in their household also included in EXAP,
* Patient who lives in an apartment and does not have a balcony or space for the outdoor sensor,
* Pregnant or breastfeeding women,
Study locations
- CHU de Nantes, Nantes, 44093 France
Before you participate: Varda Clinical is an independent discovery tool, not the study sponsor or a medical provider. Eligibility can only be determined by the official study team. Discuss potential risks and benefits with a qualified healthcare professional.
Source: ClinicalTrials.gov. Record last refreshed by Varda Clinical: 2026-09-27.