Neutrophil extracellular traps formation and elimination in respiratory airway——new exploration of mechanisms for neutrophilic asthma

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR1900025092

Enrollment

Unknown

Registered

2019-08-10

Start date

2019-08-09

Completion date

Unknown

Last updated

2019-08-27

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

Conditions

Asthma

Interventions

Neutrophil asthma group:none

Non-neutrophil asthma group:none

health group:none

Eligibility

Sex/Gender

All

Age

18 Years to 70 Years

Inclusion criteria

Inclusion criteria: 1) Aged 18 to 70 years; 2) Confirmed asthma diagnosis with positive result of bronchial provocation or dilation test; 3) Stable disease with no changes in disease condition or maintenance therapy in the 4 weeks preceding screening; 4) Able to provide informed written consent.

Exclusion criteria

Exclusion criteria: 1) Pregnancy or breast feeding; 2)Respiratory disease other than asthma or other system diseases such as pulmonary fibrosis, bronchiectasis, uncontrolled severe hypertension or heart disease and etc. 3) Ever received heart, lung, or thoracic surgeries; 4) Can not cooperate with the lung function test, sputum induction and laboratory tests.

Design outcomes

Primary

Measure	Time frame
NETs DNA;	—

Countries

China

Contacts

Public ContactWang Lei

West China Hospital of Sichuan University

906097972@qq.com+86 18980602097

Outcome results

None listed

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