Skip to content

The Study on the Refinement of Clinical Phenotype Classification of Chronic Respiratory Diseases Based on Population Cohorts—The Impact of Visualized Inhaler Technique Training on Short-Term Prognosis in Hospitalized AECOPD Patients.

The Study on the Refinement of Clinical Phenotype Classification of Chronic Respiratory Diseases Based on Population Cohorts

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500097816
Enrollment
Unknown
Registered
2025-02-26
Start date
2025-03-01
Completion date
Unknown
Last updated
2025-03-03

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

Conditions

Chronic Obstructive Pulmonary Disease (COPD)

Interventions

Traditional inhaler education group.:Based on the type of inhaler used by the patient, the demonstration-based inhaler education model recommended by the GOLD guidelines is employed. The therapist pro
Visualized inhaler technique guidance group:Based on the type of inhaler used by the patient, visualized inhaler technique guidance is provided, including visualized peak inspiratory flow rate (PIFr)

Sponsors

China-Japan Friendship Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
40 Years to 85 Years

Inclusion criteria

Inclusion criteria: 1. Previous pulmonary function tests consistent with the diagnosis of COPD (FEV1/FVC 3 months; 5. Patients with the medication device Ellipta or pressure metered aerosol pMDI or soft aerosol SMI; 6. Sign the informed consent form.

Exclusion criteria

Exclusion criteria: 1. Severe cognitive impairment, inability to understand assessments and instructions, inability to understand the nature, scope, and possible consequences of the study; 2. Chronic obstructive pulmonary disease with bronchiectasis as the main manifestation; 3. Combined with interstitial lung disease, pneumothorax, pleural effusion or pulmonary embolism; 4. Concurrent malignant tumors, with an expected survival time of less than half a year; 5. Lung volume reduction surgery within 3 months before admission 6. Serious diseases, such as heart, liver, kidney diseases or hemodynamic instability; 7. Women who are pregnant, breastfeeding, or intending to become pregnant during the course of the study.

Design outcomes

Primary

MeasureTime frame
Frequency of exacerbations within 12 weeks post-discharge.;

Secondary

MeasureTime frame
EXACT-PRO scale score;Severity of each exacerbation within 12 weeks post-discharge;Peak inspiratory flow rate during resistive inhalation;Inhalation time (EIT). ;Inhalation volume (EIV); Inhalation flow rate assessment score. ;Inhalation operation assessment;Lung function;Six-minute walk test;

Countries

China

Contacts

Public ContactSiyuan Wang

China-Japan Friendship Hospital

zryyec@126.com+86 186 1848 0531

Outcome results

None listed

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