COPD

205

Review clinical trials related to COPD. Use filters to narrow results by trial status, phase, treatment, biological sex and sponsor.

Condition / disease
Location
Status: Recruiting

Long-term Safety and Tolerability of Tozorakimab in Patients With COPD and History of Exacerbations

ROMEO is a Phase III, multicentre, open-label, chronic-dosing extension study evaluating the long-term safety of two dose regimens of tozorakimab in participants with COPD and a history of exacerbations. Eligible participants must have completed one of the predecessor studies.

Participants needed: 60
Trial details
Phase: Phase 3Age: 18-99Biological sex: AllType: InterventionalSponsor: AstraZenecaUpdated: Jul 13, 2026Locations: 13
Eligibility criteria

Participants previously randomized in predecessor studies. [+3]

Clinically important pulmonary disease other than COPD. [+14]

Status: Recruiting

Evaluation of Ventilation Defects Downstream of Mucus Plugs in Patients With Muco-Obstructive Lung Disease

In this study, xenon MRI will be used to evaluate regional functional consequences of mucus plugs in the lungs of patients with muco-obstructive pulmonary disease. Mucus plugs will be identified using CT imaging, and xenon MRI will be used to evaluate ventilation and gas exchange impairments in regions of the lungs corresponding to the airways downstream of mucus plugs.

Participants needed: 8
Trial details
Age: 18-65Biological sex: AllType: ObservationalSponsor: University of Kansas Medical CenterUpdated: Jul 1, 2026Locations: 1
Eligibility criteria

Adequate completion of informed consent process with written documentation [+3]

Respiratory tract infection within the 4 weeks prior to Visit 1 [+10]

Status: Recruiting

Health Literacy, Physical and Cognitive Function, Health-related Behaviors, and Quality of Life in COPD

Health literacy is important for controlling disease progression and living a healthy life with illness. High health literacy is associated with higher cognitive performance and lower health-related quality of life. Physical, psychological, and social impairments are seen in chronic obstructive pulmonary disease (COPD). Studies investigating the relationship between health literacy and functional capacity, quality of life, physical activity, cognitive function, health-related behavior, and activities of daily living in individuals with COPD are limited. Therefore, the aim of this study was to compare individuals with COPD with healthy individuals in terms of health literacy, functional capacity, quality of life, physical activity, cognitive function, health-related behavior, and activities of daily living and to investigate the relationship between health literacy and functional capacity, quality of life, physical activity, cognitive function, health-related behavior, and activities of daily living in individuals with COPD.

Participants needed: 144
Trial details
Age: 40+Biological sex: AllType: ObservationalSponsor: Hacettepe UniversityUpdated: Jun 25, 2026Locations: 1
Eligibility criteria

Being over 40 years old, [+4]

Being in an acute exacerbation period, [+6]

Status: Recruiting

Closed Loop Oxygen Control in Chronic Obstructive Pulmonary Disease (COPD) Patients Treated With Nasal High Flow in the Hospital

The trial aims to evaluate whether the Airvo 3 device in OptiO2 mode can maintain patients' SpO2 levels within the target range better than manual oxygen titration in hospitalized COPD patients with hypoxemia/respiratory distress.

Participants needed: 70
Trial details
Age: 22+Biological sex: AllType: InterventionalSponsor: Fisher and Paykel HealthcareUpdated: Jun 23, 2026Locations: 4
Eligibility criteria

Has cognitive ability to provide informed consent [+5]

Receiving Non Invasive Ventilation (NIV) or indicated for NIV as per European Re... [+9]

Status: Recruiting

Effect of Combined Endurance Training on ADL and Walking in COPD Patients

Chronic Obstructive Pulmonary Disease (COPD) is a chronic disease with related exercise intolerance and marked disability due to symptoms such as dyspnea and fatigue. Effort intolerance and exercise-induced symptoms cause marked impairment in completing activities of daily living (ADL). Pulmonary rehabilitation (PR), which has exercise as a major component, is considered a key treatment in the management of COPD since PR is effective in improving exercise tolerance, exercise-induced dyspnea and fatigue, and health-related quality of life. Rehabilitation is also effective in improving the time required to perform ADLs, reducing symptoms and disability. Studies show that rehabilitation protocols with upper limb exercises added to lower limb training are able to give additional benefits in terms of effort tolerance (endurance time at the arm ergometer and oxygen consumption) and reduction of dyspnea at iso-load. The primary aim of this study is to evaluate whether the combined "arm and leg" training modality, compared to a gold standard protocol -involving only the lower limbs training- is more effective in improving ADL performance in terms of reduction of exercise time for a specific test (GLITTRE test).

Participants needed: 36
Trial details
Biological sex: AllType: InterventionalSponsor: Istituti Clinici Scientifici Maugeri SpAUpdated: Jun 24, 2026Locations: 3
Eligibility criteria

GOLD class 2-3 COPD [+3]

chronic respiratory insufficiency on long-term oxygen therapy (LTOT) [+5]

Status: Not yet recruiting

COPD Flare-Up Clinic After Severe Exacerbations

This prospective randomized controlled trial evaluates whether a specialized "COPD flare-up clinic service" improves outcomes in patients following an acute exacerbation of chronic obstructive pulmonary disease (AECOPD). Patients presenting to the emergency department with AECOPD and discharged or hospitalized will be randomized 1:1 to either structured follow-up in a dedicated flare-up clinic or standard follow-up by scheduled telephone interviews. The researches hypothesize that structured follow-up in a specialized clinic will reduce recurrent exacerbations, optimize long-term COPD management, and improve patients' quality of life compared to standard care.

Participants needed: 240
Trial details
Age: 40-80Biological sex: AllType: InterventionalSponsor: Tel-Aviv Sourasky Medical CenterUpdated: Jun 23, 2026Locations: 1
Eligibility criteria

Prior COPD diagnosis based on clinical and spirometry accepted criteria. [+3]

Symptomatic heart failure as the main reason for emergency department visit in t... [+2]

Status: Recruiting

Trial Evaluating the Rate of Pneumothorax in Severe Emphysema Secondary to Endoscopic Volume Reduction With Two-stage ZEPHYR® Valves Versus Endoscopic Volume Reduction With One-stage ZEPHYR® Valves

Chronic obstructive pulmonary disease (COPD) affects 3.5 million people and is the third leading cause of death worldwide. Emphysema involves air retention in the lungs and is ultimately responsible for a major deterioration in the quality of life. Available drug treatments have moderate efficacy whereas surgical lung volume reduction can improve exercise capacity when offered to a very selected population but at the cost of significant morbidity and mortality. Endoscopic Lung Volume reduction with ZEPHYR® valves improves respiratory function at rest, exercise tolerance and quality of life in patients with little or no interlobar collateral ventilation. If this technique has therefore proven its effectiveness, it is not devoid of complications and is notably responsible for pneumothorax in 27% of cases. The management of this complication is clearly codified, ranging from patient monitoring to the removal of one or more valves. It is therefore a subject of major concern for multiple reasons: high incidence, lengthening of hospital stay, increase in the overall cost of care, potential loss of benefit for the patient in the event of permanent withdrawal. valves and above all a potentially fatal event. A new strategy for implanting ZEPHYR® valves in two stages has been developed in Limoges University Hospital. This innovative algorithm has been evaluated in several non-comparative single or multicenter studies. In those studies, pneumothorax' rate secondary to lung volume reduction with endobronchial valves is rated between 4.5 and 12%. The efficacy of the treatment appears to be comparable with the data found in the trials evaluating in which the entire lobe was treated in one procedure. Moreover, despite two procedures, there does not seem to be any increased risk of occurrence of other complications. Finally, the systematic scheduling of a thoracic computed tomography between the two procedures showed that 26.6% of patients presented a reduction in volume greater than 350mL despite incomplete treatment. These data seem promising but no direct comparison with standard one-step treatment has ever been conducted so far.

Participants needed: 244
Trial details
Age: 35-80Biological sex: AllType: InterventionalSponsor: University Hospital, LimogesUpdated: Jun 23, 2026Locations: 17
Eligibility criteria

Age ≥ 35 years old and ≤ 80 years old at the time of signing the consent [+8]

Asthma considered as main diagnosis [+20]

Status: Recruiting

Physiologic Effects of Nasal High Flow on Exercise Tolerance in COPD

This study aims to assess whether to describe the effects of the administration of nasal high flow (NHF) at 70 liters per minute (L/min) in a 6-Minute Walk Test (6-MWT) among Chronic Obstructive Pulmonary Disease (COPD) patients and to characterize the association between self-reported dyspnea with and without NHF at 70 L/min following a 6-MWT.

Participants needed: 45
Trial details
Age: 18-100Biological sex: AllType: InterventionalSponsor: University of MiamiUpdated: Jun 22, 2026Locations: 1
Eligibility criteria

Able to consent [+4]

Pregnancy [+5]

Status: Not yet recruiting

THERMotherapy Against Persistent Bacterial LUNG Infections

The aim of this study is to determine whether an intervention with frequent thermotherapy will be able to reduce the amount of colonizing bacteria in the bronchoalveolar lavage sample and eradicate the colonizing bacteria.

Participants needed: 150
Trial details
Age: 18+Biological sex: AllType: InterventionalSponsor: Chronic Obstructive Pulmonary Disease Trial Network, DenmarkUpdated: Jun 17, 2026Locations: 1
Eligibility criteria

Age ≥ 18 years [+4]

Allergy to lidocaine and/or midazolam [+5]

Status: Recruiting

Symptoms and Functions in Patients With COPD and Chronic Bronchitis Switching From CIG to THS

The purpose of this randomized study is to demonstrate direct clinical benefit, i.e., observed benefits in how humans with COPD feel in terms of symptoms (e.g., cough frequency, shortness of breath, and other respiratory symptoms) and function (e.g., lung function, and six-minute walking test \[6MWT\]) after switching to THS compared to continuing to smoking cigarettes.

Participants needed: 290
Trial details
Age: 40+Biological sex: AllType: InterventionalSponsor: Philip Morris Products S.A.Updated: Jun 15, 2026Locations: 112
Eligibility criteria

Adult, both sexes, aged ≥ 40 years. [+8]

Patient who self-report concomitant daily use of inhaled cannabis or any type of... [+17]

Status: Recruiting

Long-term Safety and Tolerability of Tozorakimab in Patients With COPD and History of Exacerbations

ROMEO is a Phase III, multicentre, open-label, chronic-dosing extension study evaluating the long-term safety of two dose regimens of tozorakimab in participants with COPD and a history of exacerbations. Eligible participants must have completed one of the predecessor studies.

Participants needed: 82
Trial details
Phase: Phase 3Biological sex: AllType: InterventionalSponsor: AstraZenecaUpdated: Jun 10, 2026Locations: 13
Eligibility criteria

Participants previously randomized in predecessor studies. [+3]

Clinically important pulmonary disease other than COPD. [+14]

Status: Recruiting

Effects of Laura Mitchell's and Benson Relaxation Technique On Anxiety, Sleep Quality and Fatigue Among COPD Patients

Chronic Obstructive Pulmonary Disease (COPD) is a progressive lung condition characterized by persistent respiratory symptoms and airflow limitation. Patients with COPD often experience not only physical symptoms like breathlessness and fatigue but also psychological issues such as anxiety and poor sleep quality, which further compromise their quality of life. Non-pharmacological interventions, especially relaxation techniques, have shown promise in improving psychological well-being and physiological outcomes in COPD patients. Among these, Laura Mitchell's relaxation technique and Benson's relaxation response have gained attention for their simplicity and effectiveness. The primary objective of this study is to assess and compare the effects of Laura Mitchell's relaxation technique and Benson's relaxation technique on anxiety, sleep quality, and fatigue levels in patients diagnosed with moderate to severe COPD. By evaluating these parameters, the study aims to determine which method provides greater benefits in managing psychological and physical symptoms associated with COPD. The study will use a randomized experimental design. Participants will be randomly assigned into two groups: Group A will receive Laura Mitchell's relaxation training, and Group B will receive Benson's technique. Both interventions will be practiced daily for 15-20 minutes over a 6-weeks period. Baseline and post-intervention (week 6) data will be collected. Outcome measures will include anxiety (GAD-7), fatigue (FSS) and sleep quality (PSQI). Data will be analyzed using paired and independent t-tests to assess within-group and between-group differences, with significance set at p \< 0.05. The data will be analyzed using SPSS v 25.

Participants needed: 38
Trial details
Age: 40-60Biological sex: AllType: InterventionalSponsor: Riphah International UniversityUpdated: Jun 9, 2026Locations: 1
Eligibility criteria

Age: 40 to 60 years [+2]

Patients with Exacerbations within past 4 weeks [+5]

Status: Not yet recruiting

A Clinical Trial to Evaluate the Efficacy and Safety of HRS-9821 Inhalation Suspension in Patients With Moderate to Severe Chronic Obstructive Pulmonary Disease

The study is being conducted to evaluate the efficacy and safety of HRS-9821 for patients with COPD, and to explore the reasonable dosage of HRS-9821 for patients with COPD.

Participants needed: 90
Trial details
Phase: Phase 2Age: 40-80Biological sex: AllType: InterventionalSponsor: Guangdong Hengrui Pharmaceutical Co., LtdUpdated: Jun 10, 2026Locations: 1
Eligibility criteria

Age ≥ 40 years old and < 80 years old, male or female. [+9]

History of life-threatening COPD. [+31]

Status: Recruiting

Hypnosis on Breathlessness Mastery in Patients With Persistent Dyspnea

Persistent dyspnea is a debilitating symptom, that is common and difficult to treat. This symptom is found in many different diseases including chronic obstructive pulmonary disease (COPD), interstitial lung disease (ILD), chronic heart failure (CHF), and metastatic cancer. Dyspnea is associated with many other symptoms, including anxiety, depression, and fatigue and is responsible for a significant reduction in quality of life. To date, only opiates are recommended for the pharmacological treatment of persistent dyspnea. The effectiveness of hypnosis is well known in the treatment of anxiety and delivered to patients suffering from chronic dyspnea for this reason. One randomised controlled study has shown that a single 20-minute mindfulness sessions could significantly reduce general symptom burden and have a significant impact on anxiety and depression in palliative care patients. Furthermore, the intervention had no negative side effects. Our aim is to evaluate the effectiveness of three hypnosis sessions on breathlessness mastery in patients with persistent dyspnea, using as a primary outcome the mastery domain of a validated tool, the Chronic Respiratory Questionnaire (CRQ).

Participants needed: 82
Trial details
Age: 18+Biological sex: AllType: InterventionalSponsor: University Hospital, GenevaUpdated: Jun 8, 2026Locations: 1
Eligibility criteria

Patients aged ≥ 18 years and [+2]

Have had hypnosis treatment in the last 12 months [+6]

Status: Recruiting

Study of Inflammatory and Physiological Profiles of Healthy and Diseased Lung

There are over 700,000 UK hospital admissions every year with lung disease symptoms. Two of the most common lung diseases contributing to these numbers are asthma and chronic obstructive pulmonary disease (COPD). The immunopathology of these diseases is not fully understood. Matched samples from the respiratory tract and circulation will be used to identify immune patterns throughout the respiratory system to elucidate the immunopathology of airway disease.

Participants needed: 230
Trial details
Age: 18+Biological sex: AllType: ObservationalSponsor: Guy's and St Thomas' NHS Foundation TrustUpdated: Jun 4, 2026Locations: 1
Eligibility criteria

Participant is willing and able to give informed consent for participation in th... [+3]

Known or suspected current pulmonary tuberculosis, HIV (human immunodeficiency v... [+8]

Status: Recruiting

Impact of Positive Airway Pressure Therapy on Clinical Outcomes in Older Veterans With Chronic Obstructive Pulmonary Disease and Comorbid Obstructive Sleep Apnea (Overlap Syndrome)

Obstructive sleep apnea (OSA) and Chronic Obstructive Pulmonary Disease (COPD) are highly prevalent chronic respiratory diseases in the Veteran population. OSA co-occurring with COPD, known as Overlap Syndrome (OVS), is a complex chronic medical condition associated with grave consequences. OVS is highly prevalent in Veterans. Veterans with OVS may be at increased risk for cognitive deficits, poor sleep quality as well as a reduced quality of life (QoL). The overall objective is to study the effects of positive airway pressure therapy on clinical outcomes in patients with OVS.

Participants needed: 668
Trial details
Age: 60+Biological sex: AllType: InterventionalSponsor: VA Office of Research and DevelopmentUpdated: Jun 5, 2026Locations: 1
Eligibility criteria

OSA with moderate-to-severe disease, AHI 20 per hour by in-lab polysomnography w... [+3]

Current or prior treatment with PAP or oral appliance [+16]

Status: Not yet recruiting

A Study to Evaluate the Diagnostic Performance of Portable Oscillometry Across Chronic Respiratory Diseases

This is a prospective, multicenter, observational cohort study enrolling approximately 4,000 subjects across about 50 centers, including patients with COPD (confirmed and suspected), asthma (confirmed and suspected), bronchiectasis, interstitial lung disease (ILD), upper airway obstruction (UAO), and healthy controls. Participants will undergo standardized clinical assessments, cough search, FENO, ETCO2, impulse oscillometry, spirometry, and/or bronchodilator test, and/or bronchoprovocation test, and/or diffusion capacity test at a single baseline visit, with no investigational intervention or treatment assignment. The primary objective is to evaluate the diagnostic performance of portable impulse oscillometry in Chronic respiratory diseases and to develop an artificial intelligence diagnostic model for COPD based on oscillometry. The study duration per subject is limited to the screening/baseline visit, with no follow-up visits planned.

Participants needed: 4,000
Trial details
Age: 3+Biological sex: AllType: ObservationalSponsor: The First Affiliated Hospital of Guangzhou Medical UniversityUpdated: Jun 8, 2026Duration: 1 Day
Eligibility criteria

Age:≥40 [+25]

• Contraindications for oscillometry testing and spirometry testing: Oscillometr... [+4]

Status: Recruiting

Prospective Dynamic Cohort Study of Phenotypic Profiles in Patients With Chronic Obstructive Pulmonary Disease

This prospective, multicenter, real-world observational cohort study will describe phenotypic profiles, patient characteristics, and treatments in adults with stable chronic obstructive pulmonary disease (COPD). The profiles observed in the current cohort will be compared with those of patients recruited between 2005 and 2018 in the previous COPD-BPCO 1 cohort. Patients will be followed for at least 3 years as part of routine care, with no study-specific visit or treatment.

Participants needed: 500
Trial details
Age: 18+Biological sex: AllType: ObservationalSponsor: Initiatives Bronchopneumopathie Chronique Obstructive (BPCO)Updated: Jun 4, 2026Locations: 7
Eligibility criteria

Stable COPD, defined as no exacerbation requiring treatment during the previous... [+1]

Main diagnosis of bronchiectasis, asthma, or any other significant respiratory d... [+2]

Status: Recruiting

A Multi Center Study Testing a New Implant for Adults With Severe Emphysema

A study taking place at multiple sites in the United States, Europe and Brazil to evaluate how well a new therapy for severe COPD/emphysema works, and how safe it is.

Participants needed: 60
Trial details
Age: 22+Biological sex: AllType: InterventionalSponsor: Pulmair Medical, Inc.Updated: Jun 3, 2026Locations: 3
Eligibility criteria

Signed Informed Consent. [+12]

1. Currently participating in another clinical study that involves surgery, inte... [+3]

Status: Recruiting

A Trial of the Implantable Artificial Bronchus 50 Flex in Patients With Severe Emphysema

A Study at Two Hospitals Testing the Safety and Effectiveness of the IAB 50 Flex, a New Implant for Adults with Severe COPD or Emphysema

Participants needed: 20
Trial details
Age: 22+Biological sex: AllType: InterventionalSponsor: Pulmair Medical, Inc.Updated: Jun 3, 2026Locations: 2
Eligibility criteria

Signed Informed Consent [+12]

Currently participating in another clinical study that involves surgery, interve... [+24]

Status: Recruiting

A Translational Study for Prediction of Biomarkers and Identification of Phenotype and Endotype of COPD and Pre-COPD Outcomes in Chinese Population

This is an observational study into more comprehensive understanding, including the trajectories of lung function decline, inflammatory/immunological mechanisms on pre-COPD or PRISm, clinical outcomes and relevant endotypes on physician-diagnosed COPD. The sponsor will follow up all participants for 1-year period.

Participants needed: 850
Trial details
Age: 30+Biological sex: AllType: ObservationalSponsor: AstraZenecaUpdated: Jun 2, 2026Locations: 14
Eligibility criteria

Capable of giving signed ICF [+3]

The participant has a history of alcohol or drug abuse within the past year, whi... [+10]

Status: Recruiting

Lung Macrophage Populations and Functions in Chronic Obstructive Pulmonary Disease (COPD)-Susceptible Smokers

Chronic Obstructive Pulmonary Disease (COPD) is a heterogeneous disease that affects only a fraction of those who smoke tobacco. The origin of this variability in susceptibility to develop COPD is unclear, but understanding its underlying biology has important implications for our ability to design suitable preventative and therapeutic strategies for its management. This Department of Defense (DOD) discovery research proposes to develop methodologies and generate preliminary data needed to lay the foundation for a large study that would investigate the underlying biological susceptibility of those who smoke tobacco to develop COPD.

Participants needed: 40
Trial details
Age: 40-75Biological sex: AllType: ObservationalSponsor: University of California, San FranciscoUpdated: Jun 4, 2026Locations: 3
Eligibility criteria

Ages between 40 to 75 years old. [+5]

Any history of IV drug use or inhalation of recreational drugs other than mariju... [+6]

Status: Recruiting

COPD Assessment Test Score and Perioperative Risk in COPD

The goal of this observational cohort study is to evaluate whether the COPD Assessment Test (CAT) score can predict the risk of perioperative respiratory complications in patients aged 40 to 70 years with diagnosed Chronic Obstructive Pulmonary Disease (COPD), undergoing elective surgical procedures lasting no longer than 150 minutes. The main questions it aims to answer are: * Is there a statistically significant association between preoperative CAT scores and the incidence of intraoperative and early postoperative respiratory complications in COPD patients? * Can the CAT score be effectively used as a preoperative risk stratification tool to guide anesthetic and surgical decision-making? Researchers will compare two patient groups based on CAT scores: those with CAT \<10 and those with CAT ≥10 to determine whether higher CAT scores are associated with an increased incidence of perioperative respiratory complications. Participants will: * Complete the CAT questionnaire during the preoperative evaluation * Undergo elective surgery with an expected duration of ≤150 minutes * Be monitored intraoperatively for bronchospasm, oxygen desaturation, and ventilation difficulty * Be monitored postoperatively (within the first 72 hours) for hypoxemia, reintubation, bronchospasm episodes, postoperative pneumonia, intensive care unit (ICU) admission, and length of hospital stay * Have perioperative clinical data collected and analyzed for comparative outcomes between CAT score subgroups

Participants needed: 120
Trial details
Age: 40-70Biological sex: AllType: ObservationalSponsor: Erzurum City HospitalUpdated: Jun 1, 2026Locations: 1Duration: 3 Days
Eligibility criteria

Patients aged between 40 and 70 years [+6]

Patients younger than 40 years or older than 70 years [+7]

Status: Recruiting

Effect of IMT in Patients After Acute Exacerbations of COPD

The goal of this clinical trial is to test whether home-based inspiratory muscle training can reduce hospital readmissions and death in patients recovering from a severe acute exacerbation of chronic obstructive pulmonary disease (AECOPD). The main questions this study aims to answer are: Does adding home-based inspiratory muscle training to usual care lower the risk of all-cause hospital readmission or death within 180 days after discharge? Does inspiratory muscle training improve respiratory muscle strength, symptoms of dyspnea, quality of life, and functional capacity compared to usual care? Researchers will compare patients randomized to: Intervention group: Home-based inspiratory muscle training plus usual care Control group: Usual care only to see if inspiratory muscle training leads to fewer readmissions and deaths, and better patient-reported and physiological outcomes. Participants will: Be hospitalized for ≥3 days due to AECOPD, age ≥35 years, able to consent, and own a compatible smartphone. In the intervention group, receives usual care and additionally inspiratory muscle training: Inspiratory muscle training twice daily for 90 days, then once daily up to day 180, with remote telemonitoring via a smartphone app and online supervised sessions. The control group will continue with usual care (pharmacological treatment, smoking cessation advice, vaccinations, and referral to pulmonary rehabilitation if available). Follow-up assessments will include hospital readmissions, survival, and quality of life questionnaires up to 12 months after discharge.

Participants needed: 358
Trial details
Age: 35+Biological sex: AllType: InterventionalSponsor: KU LeuvenUpdated: May 28, 2026Locations: 12
Eligibility criteria

Patients admitted to the hospital ≥3 days for AECOPD [+4]

Patients already performing IMT at time of inclusion [+10]

Status: Recruiting

Assess Accuracy of Primary Care Asthma and COPD Diagnosis Using Oscillometry and FeNO vs Specialist Diagnosis

Current diagnostic methods for asthma and chronic obstructive pulmonary disease mostly depend on pulmonary function tests, especially spirometry. While spirometry is a foundational tool, its diagnostic accuracy is often limited by the patient's ability to perform forceful breathing maneuvers, as well as technical and reproducibility challenges, and the need for proper equipment and training. These constraints can compromise effective diagnosis of asthma and COPD in primary care settings. Prompt and accurate diagnosis by primary care physicians is essential for better patient outcomes. Although variable airflow limitation often measured as a change in FEV1 after bronchodilator is a hallmark of asthma, inconsistencies in test quality and reversibility criteria create challenges in distinguishing asthma from COPD. These complexities highlight the need for alternative diagnostic tools beyond traditional spirometry. This observational study is designed to evaluate the diagnostic accuracy and technical feasibility of using oscillometry and FeNO testing in primary care for suspected asthma and COPD, compared to conventional specialist-based diagnostics. The study will be conducted across 6 countries in the MEA, Asia, and Latin America, with two hospital sites per country. Primary care physicians will be trained in oscillometry and FeNO testing using standardized protocols and tools such as the Ambulatory Lung Diagnosis System following GINA and GOLD guidelines. Eligible patients will provide consent, complete a history and symptom questionnaire, and undergo primary care-based assessment for a provisional diagnosis. If specialist assessment cannot occur the same day, it will be done within three days. No follow-up visits are planned. Study outcomes will inform the feasibility and accuracy of integrating these methods into routine care, aiming to improve the early and reliable diagnosis of asthma and COPD.

Participants needed: 600
Trial details
Age: 18+Biological sex: AllType: ObservationalSponsor: AstraZenecaUpdated: May 27, 2026Locations: 12
Eligibility criteria

Patients ≥ 18 years old or with legal age of consent in the jurisdiction in whic... [+3]

Prior diagnosis of COPD or asthma. [+6]