Elucidation of the association between airway inflammation, of both asthmatics and non-asthmatics, and stimulants from air pollutants.

Elucidation of the association between airway inflammation, of both asthmatics and non-asthmatics, and stimulants from air pollutants. - Elucidation of the factors that cause airway inflammation.

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000005937

Enrollment

200

Registered

2011-07-07

Start date

2011-07-01

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, other airway/ pulmonary diseaseas

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients with bronchial asthma,those who yield airway symptoms and/or positive allergic reaction but do not develop asthma,and healthy controls,on the basis of patients'informed consent,as well as of the approval of the local ethics committee,are to be enrolled.

Exclusion criteria

Exclusion criteria: Those who develop lung infections,critical cardiovascular disorders,liver diseases,renal diseases,according to the diagnosis by the clinicians in charge,are to be excluded.

Design outcomes

Primary

Measure	Time frame
It is to be elucidated whether or not the association between biomarkers in expiratory breath condensation (EBC) and the levels of airpollution.	—

Countries

Japan

Contacts

Public ContactKazuki Tabata

Kyorin University Ethical Committee

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

Outcome results