Association between Ambient Fine Particulate Matter and Lung Function in Healthy Volunteers in Chiang Rai, Thailand.

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20220208006

Enrollment

108

Registered

2022-02-08

Start date

2022-02-15

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Living in Ambient Fine Particulate Matter area for long time might effects to lung function even in healthty people. Ambient Fine Particulate Matter Particulate matter 2.5 Lung function, Spirometry

Interventions

Healthy adults who is living and working in Chiang Rai.

Prevention

Healthy

Eligibility

Sex/Gender

All

Age

18 Years to 60 Years

Inclusion criteria

Inclusion criteria: Healthy people living and working in Chaing Rai.

Exclusion criteria

Exclusion criteria: - underlying disease about respiratory system such as; asthma COPD. - Career with high risk of expose dust or chemicals compounds including; weavers, carvers, Stone Mill Workers. - Contraindication to perform spirometry including; history of eye/thoracic/abdoninal sugry in 1 month ago, aortic aneurysm, cerebral aneurysm, massive hemoptysis, untreated pneumothorax, unstable cardiovascular function, Respiratory tract infection, nausea, vomitting

Design outcomes

Primary

Measure	Time frame
Lung fuction one/month for 3 months Spirometry; FVC, FEV1, FEV1/FVC,Ambient fine particulate metter one/months fot 3 months Phone Application White Giant	—

Secondary

Measure	Time frame
Peak Expiratory Flow Rate one/months fot 3 months Peak Expiratory Flow Rate	—

Countries

Thailand

Contacts

Public ContactWatjanarat Panwong

Mae Fah Luang University

watjnarat.pan@mfu.ac.th0987531032

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026