Non-interventional Study of COPD Patients With Asthma Overlap Syndrome in Viet Nam and Taiwan

The Mixed Phenotype of Asthma and COPD: the Overlap Syndrome

NCT03817333 ·Status: COMPLETED

Small Airway Obstruction in Asthma, COPD, ACOS

NCT03423693 ·Status: COMPLETED

Occurrence of Potential Bacterial and Viral Pathogens in Stable Chronic Obstructive Pulmonary Disease and During Acute Exacerbations of the Disease, in Asia Pacific

NCT03151395 ·Status: COMPLETED ·Phase: NA

High Risk Populations Among COPD Patients in Japan

NCT02413359 ·Status: COMPLETED

Investigation of Chronic Obstructive Pulmonary Disease (COPD) Phenotypes and Endotypes in China

NCT04853225 ·Status: COMPLETED

The Characteristic of Airway Microbiome Profiling of COPD-bronchiectasis Overlap Patients and Its Association With Acute Exacerbation

NCT04865861 ·Status: UNKNOWN

Diagnostic Value of Sputum Cytology in Asthma-COPD Overlap

NCT04056364 ·Status: UNKNOWN

Chronic Obstructive Pulmonary Disease (COPD) Maintenance Treatment Patterns in China

NCT04853238 ·Status: COMPLETED

Identifying Patients With the COPD-Asthma Overlap Phenotype: Therapeutic Implications

NCT02985814 ·Status: COMPLETED

A Cross Sectional Disease/Condition Focused Observational Study on Chronic Obstructive Pulmonary Disease (COPD)

NCT02100332 ·Status: COMPLETED

Metabolomic Analysis of Exhaled Breath Condensates in Patients With COPD and Bronchiectasis

NCT01410422 ·Status: UNKNOWN

Seoul National University Airway Registry

NCT02527486 ·Status: RECRUITING

Pneumological Acute Coronary Syndrom (ACS) Phenotyping Aachen

NCT02587481 ·Status: COMPLETED

Monitoring Asthma and COPD in Primary Care

NCT00542061 ·Status: COMPLETED ·Phase: NA

Sputum and Plasma Levels of Nociceptin and Substance P in Patients With Asthma, COPD and Chronic Cough

NCT00173225 ·Status: UNKNOWN

Respiratory Pathogens of Patients With Asthma and COPD Exacerbations

NCT02866357 ·Status: COMPLETED

Site and Mechanism(s) of Expiratory Airflow Limitation in COPD, Emphysema and Asthma-COPD Overlap

NCT03263130 ·Status: RECRUITING

The Application of Impulse Oscillometry on the Diagnosis of ACOS,Asthma and COPD.

NCT03181152 ·Status: RECRUITING

The Impact of PCCM on Healthcare Among Asthma or Chronic Obstructive Pulmonary Disease (COPD) or Asthma-COPD Overlap Patients

NCT04905420 ·Status: COMPLETED

A Cohort of Patients With Chronic Pulmonary Disease

NCT04050943 ·Status: UNKNOWN

A Study for the Assessment of the Words Used by Patients and Physicians to Express the Symptoms of Chronic Obstructive Pulmonary Disease (COPD)

NCT01219946 ·Status: COMPLETED

Development of AECOPD Identification Tool (DETECT Study)

NCT03556475 ·Status: COMPLETED

Airway Inflammation and Remodeling in Asthma and COPD.

NCT02069054 ·Status: COMPLETED

Research on the Characteristics of Chronic Airway Diseases (asthma, COPD)

NCT06685315 ·Status: NOT_YET_RECRUITING

Airway Inflammation, Symptoms and Lung Function in COPD

NCT01216592 ·Status: COMPLETED