Actively Recruiting
FIRE-Diet: Food as an Intervention to Reduce the Effects of Woodsmoke Exposure on Respiratory Health
Led by University of British Columbia · Updated on 2026-02-13
48
Participants Needed
1
Research Sites
236 weeks
Total Duration
On this page
AI-Summary
What this Trial Is About
Research suggests that consuming more fatty fish, fruits, and vegetables could potentially shield the lungs from the negative impacts of air pollution. The research team will look at whether a dietary intervention aimed at increasing intake of these foods can protect the lungs from woodsmoke as the air pollutant and look into how this works.
CONDITIONS
Official Title
FIRE-Diet: Food as an Intervention to Reduce the Effects of Woodsmoke Exposure on Respiratory Health
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Healthy, and specifically with no respiratory disease
- Not taking any supplements, or willing to abstain from supplement use for 4-weeks prior to study start and the whole duration of the study,
- Must currently consume, on average, less than 2 servings of fish per week and fewer than 5 servings of fruits and vegetables per day based on screening questionnaires.
- Must have a null GSTM1 genotype determined at screening.
- Must be able to provide a sufficient sputum sample during the screening visit.
You will not qualify if you...
- Pregnant or planning to become pregnant during the study period.
- Health conditions that would pose an unacceptable risk of dietary change, or conditions that are uncontrolled based on principal investigator's judgement.
- Actively attempting to lose weight.
- Frequent wood smoke exposure (e.g. at home or employment).
- Unable to store provided meals and food safely.
- Food allergies/intolerance or food aversion preventing adherence to the intervention diet, or unwillingness/medically unable to adjust diet in line with the intervention.
- Relocation during the study period to an area which will prevent food delivery.
- History of smoking tobacco, marijuana, or and other substance or vaping within the past 6 months, or having smoked the equivalent of 0.5 pack-years ever.
- Body mass index (BMI) <18.5, as determined during the in-person screening visit.
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Trial Site Locations
Total: 1 location
1
University of British Columbia
Vancouver, British Columbia, Canada, V5Z 1M9
Actively Recruiting
Research Team
A
Agustin Bueso
CONTACT
A
Agnes Yuen
CONTACT
How is the study designed?
Study Type
INTERVENTIONAL
Masking
SINGLE
Allocation
RANDOMIZED
Model
CROSSOVER
Primary Purpose
OTHER
Number of Arms
2
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