Quantitative and function imaging of early stage COPD based on inspiratory and expiratory CT scanning (CHESTieCT)

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2000035283

Enrollment

Unknown

Registered

2020-08-06

Start date

2020-08-01

Completion date

Unknown

Last updated

2024-01-08

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

Conditions

COPD

Interventions

According to the results of pulmonary function test, subjects were divided into: normal group

high risk COPD group

early stage COPD group

middle and late stage COPD group:Nil

Eligibility

Sex/Gender

All

Age

40 Years to 74 Years

Inclusion criteria

Inclusion criteria: Participants aged 40-74 years old, without respiratory symptoms and without thoracic surgery history.

Exclusion criteria

Exclusion criteria: 1. Participants younger than 40 years old or elder than 74 years old; 2. The pregnant and Lactating women; 3. Combination of cardiovascular, hepatic, renal and hematopoiesis and other serious primary diseases, mental patients.

Design outcomes

Primary

Measure	Time frame
Quantitative parameters of functional small airway;mean lung density;	—

Secondary

Measure	Time frame
CT radiation dose;	—

Countries

China

Contacts

Public ContactFan Li

Shanghai Changzheng Hospital

fanli0930@163.com+86 13546484699

Outcome results

None listed

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