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Airway biomarkers and air pollution in patients with asthma and other airway diseases

Airway biomarkers and air pollution in patients with asthma and other airway diseases - Airway biomarkers and pollution

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000009821
Enrollment
280
Registered
2013-01-22
Start date
2012-12-22
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

bronchial asthma and other respiratoroy diseaseas, sharing some clinical manifestation.

Interventions

None listed

Sponsors

Kyorin University Shool of Medicine
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Participants are those who were already diagnosed or suspected with asthma, those who chronically complain respiratory symptoms such as cough, those who were allergic with no symptoms, and those who might be other diseases with respiratopry symptoms including COPD, lung cancer and disseminated lung diseases, as well as healthy individuals. In this process, internationa primary care airway group (IPAG) quesstionairres and other questionnairres will be utilized. They should be twenty years old or over and give informed consent on the basis that the study is approved by each local ethics committee.

Exclusion criteria

Exclusion criteria: Those whe are dianosed with pulmonary infection, severe cardiologic, hepatic and/or renal issues, are to be excluded. This decision is to be made according by physicians in charge.

Design outcomes

Primary

MeasureTime frame
(1) Air pollution (2) general assessment of asthma and airway inflammation (3) genetic polymorphism Association between them is investigated.

Secondary

MeasureTime frame
In addition to the above mentioned intems, the following items is investigated, indcluidng (1) mediators in EBC (2) mediators in blood (3) oxidative stress of EBC and blood (4) inflammatory biomarkers

Countries

Japan

Contacts

Public ContactKazuki Tabata

Kyorin University Ethical Committee

irb@ks.kyorin-u.ac.jp0422-47-5511

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026