NCT05525169Recruiting
Study of the Impact of Exposure to Outdoor and Indoor Pollutants in Patients With Asthma
Source: ClinicalTrials.gov · Last updated 17 Apr 2026
Brief summary (registry, in English)
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
- Status (registry)
- Recruiting
- Study type
- Observational
- Enrollment
- 30 (estimated)
- First submitted
- 7 Jul 2022
- Start date
- 15 Nov 2022
- Primary completion date
- 15 Nov 2026
- Lead sponsor
- Nantes University Hospital
- Diseases
- Asthma
- NCT number
- NCT05525169
What you commit to
- Study type: Observational
- Planned participants: 30
- From 15 Nov 2022 to the primary completion date, 15 Nov 2026
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Prior treatment
- Patient with an asthma exacerbation within 15 days prior to the inclusion visit,
Other
- 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 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,
Who the study is looking for
- 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
Age in the registry: 18 years to 99 years · Sex: All · Does not accept healthy volunteers
Sites (1)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| CHU de Nantes Coordinator of this site? Confirm its status | Nantes | France | Recruiting |
This page is information, not medical advice. Discuss any trial with your doctor.