| Recruiting | Singing Training vs Usual Care 6-18 Months After Surgical Resection for Non-small Cell Lung Cancer (NSCLC) NCT07460999 | Zealand University Hospital | N/A |
| Not Yet Recruiting | Improvement of Sleep in COPD Patients Through Inhalation Management Education by Nurse. NCT07311499 | Kumamoto University | N/A |
| Recruiting | Effects of Virtual Reality-Assisted Dual Task Training on Muscle Oxygenation in Patients With COPD NCT07015216 | Istinye University | N/A |
| Recruiting | Investigation of Small Mobile Stem Cells (SMS Cells) in Participants With Chronic Obstructive Pulmonary Diseas NCT06986070 | SMSbiotech | Phase 1 |
| Recruiting | Make Every Step Count: Personalised Music Feedback to Walking for People Living With COPD NCT06629675 | University of Leicester | N/A |
| Recruiting | InvEstigating oeStrogen Signalling and the Effect upoN the exTracelluar Matrix In pAtients With Obstructive Lu NCT06713512 | Guy's and St Thomas' NHS Foundation Trust | — |
| Completed | Digital Health Integration With Pulmonary Rehabilitation on Patients With Chronic Obstructive Lung Disease NCT06582082 | Cairo University | N/A |
| Completed | Does Neuromuscular Electrical Stimulation Benefit the Functional Ability of Elderly Patients With Chronic Obst NCT05838911 | Beni-Suef University | N/A |
| Unknown | Telemedical Assistance in Automatic Titration of Oxygen for Intensive Care Patients NCT06090149 | Pauls Stradins Clinical University Hospital | N/A |
| Recruiting | Mapping and Characterization of Alveolar Cells During Smoking and Chronic Obstructive Disease NCT05227547 | Centre Hospitalier Intercommunal Creteil | N/A |
| Terminated | The Edi Level and Cardiopulmonary Function Between HHHFNC and Unheated Humidified High-Flow Oxygen Mask in COP NCT03811158 | Fu Jen Catholic University | N/A |
| Completed | Are Comorbidities Related to Frequent Severe Exacerbations of AECOPD NCT05504993 | Ankara University | — |
| Unknown | Pulmonary Hemodynamics in Patients With Severe Emphysema Pre and Post BLVR NCT02778802 | Cairo University | — |
| Unknown | Integrating Behavioral Health and Primary Care for Comorbid Behavioral and Medical Problems NCT02868983 | University of Vermont | N/A |
| Withdrawn | Lung Volume Reduction Coils for Emphysema in Alpha-1 Antitrypsin Deficiency NCT02273349 | University Hospital, Saarland | N/A |
| Recruiting | COPD Patient-Powered Research Network NCT02803242 | COPD Foundation | — |
| Unknown | Evaluation of a Lightweight Nasal Interface and Ventilator in Patients With Respiratory Disease NCT02278107 | New Aera, Inc | N/A |
| Completed | Mindfulness-based Cognitive Therapy for Chronic Obstructive Pulmonary Disease NCT02042976 | University of Aarhus | N/A |
| Completed | COPD-EXA-REHAB. Early Pulmonary Rehabilitation of Patients With Acute Exacerbation of COPD NCT02987439 | University Hospital, Gentofte, Copenhagen | N/A |
| Completed | Effect of Symbicort ® on GR in Sputum in COPD NCT01787097 | Imperial College London | Phase 4 |
| Completed | Procalcitonin To Reduce Antibiotics in Chronic Obstructive Lung Disease (ProToCOLD) NCT01950936 | Danish Procalcitonin Study Group | Phase 2 / Phase 3 |
| Completed | The Pulmonary Protection Trial NCT01614951 | Rigshospitalet, Denmark | Phase 4 |
| Completed | Evaluation of Breathe NIOV System on Work of Breathing in Chronic Obstructive Lung Disease Patients NCT01596023 | Breathe Technologies, Inc. | N/A |
| Unknown | The Identification of Different Lung Diseases by Analysis of Volatile Organic Compounds in Breath Samples NCT01631162 | Carmel Medical Center | N/A |
| Terminated | Effects of Symbicort on the Ventilatory Kinematics NCT01712854 | Columbia University | Phase 4 |
| Completed | Preventing Respiratory Health Problems in Bakery Employees NCT01602237 | Haukeland University Hospital | — |
| Completed | eRT Remote Health Monitoring NCT01495780 | University of California, Los Angeles | N/A |
| Completed | Treatment of Chronic Obstructive Pulmonary Disease (COPD) With Iodinated Activated Charcoal NCT01404000 | PharmaLundensis AB | Phase 2 |
| Withdrawn | Vitamin D and Chronic Obstructive Lung Disease NCT01416701 | Jorgen Vestbo | Phase 4 |
| Completed | Advance Care Planning Evaluation in Hospitalized Elderly Patients NCT01362855 | Daren K. Heyland | — |
| Completed | Non-invasive Ventilation System in Moderate-to-Severe Chronic Obstructive Pulmonary Disease (COPD) NCT01355978 | Breathe Technologies, Inc. | N/A |
| Completed | In-home Evaluation of a Noninvasive Open Ventilation System in Patients With Severe Respiratory Insufficiency NCT01347931 | Breathe Technologies, Inc. | N/A |
| Completed | Comparative Study of 3 Portable Oxygen Concentrators During a 6-minute Walk Test in Patients With Chronic Lung NCT01653730 | Ottawa Hospital Research Institute | N/A |
| Completed | A Registry of COPD Patients to be Used for Future Studies NCT00814203 | Philip Diaz | — |
| Withdrawn | Effect of Tadalafil in Chronic Obstructive Lung Disease Patients Suffering From Secondary Pulmonary Hypertensi NCT00506701 | Herlev Hospital | N/A |
| Completed | Comparison of the Two and Six- Minute Walk Tests in Evaluating Oxygen Desaturation in Patients With Severe COP NCT02462343 | Schön Klinik Berchtesgadener Land | N/A |
| Completed | The Vancouver-BOLD Study: The Burden of Chronic Obstructive Lung Disease NCT00136006 | University of British Columbia | — |
| Completed | Primary Care Management/Action Plans for Advanced Chronic Diseases NCT00202150 | Queen's University | Phase 2 / Phase 3 |
| Completed | Genetic Mechanisms of Chronic Obstructive Pulmonary Disease (COPD) NCT00018408 | US Department of Veterans Affairs | — |