Clinical significance of small airway function and inflammatory markers in induced sputum among patients with clinically controlled asthma

Status

Active, not recruiting

Phases

Phase 2

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR-OCS-10000901

Enrollment

Unknown

Registered

2010-06-04

Start date

2007-07-01

Completion date

Unknown

Last updated

2017-04-18

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

Conditions

asthma

Interventions

Group 1:small airway function, eosinophil count, concentrations of ECP and IL-5 in induced sputum in clinically controlled asthma patients

Group 2:small airway function, eosinophil count, concentrations of ECP and IL-5 in induced sputum in acute asthama patients

Group 3:small airway function, eosinophil count, concentrations of ECP and IL-5 in induced sputum in healthy controls

Eligibility

Sex/Gender

All

Age

21 Years to 63 Years

Inclusion criteria

Inclusion criteria: GINA cretia

Exclusion criteria

Exclusion criteria: Patients were excluded if they had a history of COPD or other pulmonary or concomitant diseases. Twenty healthy non-smoking adult volunteers without asthma and other allergic diseases served as healthy controls. All subjects were free from airway infection for at least 8 weeks prior to our study.

Design outcomes

Primary

Measure	Time frame
small airway function, eosinophil count, concentrations of ECP and IL-5 in induced sputum;	—

Countries

China

Contacts

Public ContactHanxiang Nie

nhxbj@sohu.com+86 13995503620

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026