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NCT05507944 Clinical Trial

FeNO Hairdressers Pilot

Environmental Exposure Clinical Trial

Official title:
Fraction of Exhaled Nitric Oxide (FeNO) in an Occupational Cohort of Hairdressers

Clinical Trial Details — Status: Completed

Administrative data
NCT number NCT05507944
Other study ID # 22/16786
Secondary ID
Status Completed
Phase
First received
Last updated
Start date September 15, 2022
Est. completion date November 15, 2022

Study information
Verified date August 2022
Source Oslo University Hospital
Contact n/a
Is FDA regulated No
Health authority
Study type Observational [Patient Registry]

Clinical Trial Summary

A 5-day cohort diurnal FeNO study of exposed and unexposed to airway irritants during hair treatments and commuting.

Description:

The project aims to increase the knowledge of daily variations in FeNO with emphasis on exposure of airway irritants during hairdressing treatments in an occupational setting and commuting. Daily measurements of FeNO before and after workplace exposure in an exposed and an unexposed cohort during a workweek (Monday to Saturday) will indicate patterns of proinflammatory responses in a dose-dependent manner. These may or may not be indicative of an increased risk for airway related disease. Results may be used for further studies of occupational hygiene, airway related disease and identification of endogenous volatile organic compounds during proinflammatory responses.

Recruitment information / eligibility
Status Completed
Enrollment 30
Est. completion date November 15, 2022
Est. primary completion date September 30, 2022
Accepts healthy volunteers
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - have given informed consent. - employed as hairdressers or at Oslo University Hospital as healthcare workers. - scheduled work for at least 3 hours daily for 5 days in the study week. Exclusion Criteria: - lung disease. - active smoker.

Study Design

Related Conditions & MeSH terms

Intervention

Diagnostic Test:
• FeNO measurement
Diurnal measurements before work and at 3 hours after work start.

Locations
Country Name City State
Norway Oslo University Hospital Oslo

Sponsors (1)
Lead Sponsor Collaborator
Oslo University Hospital

Country where clinical trial is conducted

Norway, 

Outcome
Type Measure Description Time frame Safety issue
Primary Daily FeNO (ppb measured by Niox Vero) increase after occupational exposure. At start of work and after 3 hours. Hardressers vs. Health care workers. 1 day.
Primary Daily FeNO (ppb measured by Niox Vero) increase after enviromental exposure during commuting. At start of work and after 3 hours. Subgrouped after way of commuting. 1 day.
Primary Diurnal FeNO (ppb measured by Niox Vero) variations during a work week after occupational exposure. At start of work and after 3 hours. Hardressers vs. Health care workers. 6 days
Primary Diurnal FeNO (ppb measured by Niox Vero) variations during a work week after environmental exposure during commuting. At start of work and after 3 hours. Subgrouped after way of commuting. 6 days
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