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Real World Environmental Exposure Study With Healthy and Cystic Fibrosis Subjects

Study Purpose

Cystic fibrosis (CF) is the most common autosomal recessive disease that leads to early mortality in Caucasians and affects around 7500 patients in France. Progression of the disease depends on pulmonary exacerbations defined as acute deterioration of respiratory symptoms which ultimately impair lung function and quality of life. Most frequently caused by lung bacterial infections, exacerbations' effects include increased cough, increased sputum production, increased use of antibiotics, dyspnea and decreased lung function. The phenotypic variability of CF suggests the implication of other contributors especially to the CF airway disease. Beside genetic and epigenetic alterations, environmental factors

- e.

g tobacco smoke, air pollution, temperature changes, food intake

- appear as relevant candidates.

A previous review has discussed current knowledge on the effects of air pollution on the course of CF disease. Although scarce, the existing epidemiological andexperimental literature suggests a link between exposure to air pollutants and adverse health effects.Although scarce, the existing epidemiological and experimental literature suggests a link between exposure to air pollutants and adverse health effects. The EU sponsored REMEDIA project (Impact of exposome on the course of lung diseases, Grant agreement ID 874753) contributes to the understanding of the influence of the exposome on chronic obstructive pulmonary disease (COPD) and CF. Objective of work package 3 within the REMEDIA project is the development of a mobile environmental sensor toolbox that is capable to assess the external exposome. The biomarkertoolbox was developed and tested in a proof-of-concept study carried out in healthy volunteers. The next step is to validate the collectionof exhaled breath condensate (EBC) in a real-life study. In this aim, the objective of the present study will be to assess the feasibility of EBC collection in CF patients and healthy individuals

Recruitment Criteria

Accepts Healthy Volunteers Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms	Yes
Study Type An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes. An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes. Searching Both is inclusive of interventional and observational studies.	Interventional
Eligible Ages	18 Years - 65 Years
Gender	All

More Inclusion & Exclusion Criteria

Inclusion Criteria:

- Normal blood test.

- Negative Cotinine test.

- Protocole (RiPH2) - Normal ECG.

- Normal alcohol test.

- Lung function with FEV1 predicted ≥ 40% at spirometry.

Exclusion Criteria:

- None

Trial Details

Trial ID: This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.	NCT06339450
Phase Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans. Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data. Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs. Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.	N/A
Lead Sponsor The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.	Centre Hospitalier Intercommunal Creteil
Principal Investigator The person who is responsible for the scientific and technical direction of the entire clinical study.	ralph Epaud
Principal Investigator Affiliation	Chi creteil
Agency Class Category of organization(s) involved as sponsor (and collaborator) supporting the trial.	Other
Overall Status	Not yet recruiting
Countries
Conditions The disease, disorder, syndrome, illness, or injury that is being studied.	Cystic Fibrosis, Pulmonary, Environmental Exposure, Exhaled Breath Condansate

Arms & Interventions

Arms

Experimental: Cystic fibrosis patients

cystic fibrosis patient

Experimental: Patient Control

patient without cystic fibrosis

Interventions

Other: - walk tours

During 5 days the patient will walk 4 hours in urban green space (open-space areas reserved for parks and other "green spaces", including plant life, water features -also referred to as blue spaces and other kinds of natural environment). The 3 hours walk tour includes a lunch break of one hour in the green space. During 5 days the patient will walk 4 hours in urban space (including 3 hours walk around the city and one-hour lunch break.

Contact Information

This trial has no sites locations listed at this time. If you are interested in learning more, you can contact the trial's primary contact:

camille Jung

[email protected]

0157022268

For additional contact information, you can also visit the trial on clinicaltrials.gov.

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