Forced oscillation technique as a predictor of improvement in FEV1 in asthma

Forced oscillation technique as a predictor of improvement in FEV1 in asthma - Forced oscillation technique as a predictor of improvement in FEV1 in asthma

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000020605

Enrollment

Registered

2016-01-17

Start date

2016-01-17

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

Asthma

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who had performed FOT, pulmonary function tests and FeNO measurement before and after ICS/LABA treatment at more than 2-month intervals.

Exclusion criteria

Exclusion criteria: Patients were excluded from the study if they were current smokers, had a smoking history of > 10 pack-years, or had quit smoking within 1 year prior to the study and had COPD.

Design outcomes

Primary

Measure	Time frame
The correlation between FOT parameters at baseline and the ratio of improvement in FEV1	—

Countries

Japan

Contacts

Public ContactTaisuke Akamatsu

Shizuoka General Hospital respiratory medicine

taisuke-akamatsu@i.shizuoka-pho.jp054-247-6111

Outcome results