Asthma
Conditions
Brief summary
A Translational Study to Describe Asthma Patient Clinical Characteristics, Treatment Patterns, Biomarkers and to Identify Phenotypes and Endotypes associated with Differential Outcomes that may Support Future Development of Personalised Treatment Strategies in Chinese Population
Interventions
None listed
Sponsors
Study design
Eligibility
Inclusion criteria
* Age 18 to 75 years of age * acceptable FEV1 (according to ATS and ERS) * compliance with study procedures All Asthma Cohorts * physician diagnosed Asthma greater or equal to 3 months prior to screening visit
Exclusion criteria
* history of alcohol or drug abuse within the past year * pregnant at time of an assessment * has an altered mental status at the time of informed consent * receipt marketed or investigational biologic(s) within 3 months or 5 half-lives prior to visit 1, whichever is longer * history or current upper or lower respiratory infection or symptoms within 2 weeks of baseline assessments * terminal diseases and/or organ failure or participants otherwise considered not appropriate for the study participation * Receipt LTRAs or 5-lipoxygenase (5-LO) inhibitors (eg zileuton and montelukast) within 1 month or 5 half-lives prior to baseline, whichever is longer.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| FEV1 level | At baseline | Evaluation of lung function via airway limitation |
| Descriptive summary of biomarker level. | At baseline | Descriptive summary of biomarker level at baseline by study cohorts. |
| Statistical clustering of key biomarkers. | At baseline | Statistical clustering of key biomarkers in moderate to severe asthma cohort. |
| Computed Tomography (CT) Scan | At baseline | Evaluation of lung structure profile and change |
| Airway remodeling | At baseline | Evaluation of lung structure profile and change |
| Gas trapping | At baseline | Evaluation of lung structure profile and change |
| Forced Vital Capacity (FVC) | At baseline | Evaluation of lung function via airway limitation |
| Maximal Mid Expiratory Flow (MMEF) | At baseline | Evaluation of lung function via airway limitation |
| Descriptive summary of demographic and subject characteristic, clinical characteristics and functional deliverables. | At baseline | Descriptive summary of demographic and subject characteristic, clinical characteristics and functional deliverables at baseline by study cohorts. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Mean difference in the biomarker level. | At baseline | Mean difference in the biomarker level between study cohorts |
| Statistical association between the biomarker and clinical disease outcomes. | From 2023-2025 | Statistical association between the biomarker and clinical disease outcomes in each asthma cohort. |
| Mean difference in the biomarker level between different tissues | From 2023-2025 | Mean difference in the biomarker level between different tissues in each asthma cohort. |
Countries
China