Asthma Clinical Trial
— SWANOfficial title:
Swan Study: Swimming Pool Environment Impact on the Human Respiratory Health
This study aims to assess the influence of exposure to swimming pool environment on respiratory symptoms and diseases, and on cancer outcomes among swimmers and swimming pool attendants.
Status | Not yet recruiting |
Enrollment | 1000 |
Est. completion date | July 2018 |
Est. primary completion date | March 2017 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 12 Years and older |
Eligibility | Competitive swimmers, recreational swimmers or pool workers of a participating indoor swimming pool; Individuals with 12 years of age or older; Individuals who provide (or their caregivers) a signed informed consent. |
Observational Model: Case-Crossover, Time Perspective: Cross-Sectional
Country | Name | City | State |
---|---|---|---|
Portugal | Faculty of Medicine of Porto University | Porto |
Lead Sponsor | Collaborator |
---|---|
Universidade do Porto |
Portugal,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Spirometry with bronchodilation | First week after recruitment | No | |
Primary | Airway resistance measurement | First week after recruitment | No | |
Primary | Airway reactance measurement | First week after recruitment | No | |
Primary | Fractional concentration of orally exhaled nitric oxide | First week after recruitment | No | |
Primary | Volatile organic compounds in the exhaled breath condensate | First week after recruitment | No | |
Secondary | Diagnosis of immunoglobulin E (IgE) mediated allergies by skin prick testing | First week after recruitment | No | |
Secondary | Autonomic nervous system function assessment by pupillometry | First week after recruitment | No | |
Secondary | Transepidermal water loss | First week after recruitment | No |
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