NCT07505602Recruiting
Air Purifier Use and Respiratory Health in COPD Patients
Respiratory Benefits of Indoor Air Purification in Patients With Chronic Obstructive Pulmonary Disease: A Randomized Controlled Trial
Source: ClinicalTrials.gov · Last updated 9 Jun 2026
Brief summary (registry, in English)
This randomized, double-blind, parallel-controlled trial aims to evaluate the effects of an indoor air purifier intervention on respiratory health in patients with Chronic Obstructive Pulmonary Disease (COPD).
- Status (registry)
- Recruiting
- Study type
- Interventional
- Enrollment
- 120 (estimated)
- First submitted
- 20 Mar 2026
- Start date
- 30 Mar 2026
- Primary completion date
- Dec 2027
- Lead sponsor
- Fudan University
- Diseases
- COPD
- NCT number
- NCT07505602
What you commit to
- Study type: Interventional
- Planned participants: 120
- From 30 Mar 2026 to the primary completion date, Dec 2027
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Other illness
- Subjects with a history of alcohol abuse
- Subjects with other chronic lung diseases, such as active tuberculosis, pulmonary fibrosis, cystic fibrosis, or alpha-1 antitrypsin deficiency
- Subjects with a history of thoracic surgery
- Subjects with a history of malignant tumors, such as lung cancer, liver cancer, or gastric cancer
- Subjects with diagnosed chronic hepatic or renal insufficiency, such as liver cirrhosis, chronic viral hepatitis, or autoimmune liver disease
- Subjects with acute myocardial infarction or unstable arrhythmia diagnosed within the past 6 weeks
Other
- Subjects living in a location other than home
- Subjects currently participating in other interventional studies
Who the study is looking for
- Age between 50 and 80 years old
- Physician diagnosis of COPD
- Living in Shanghai during the intervention period
- Subjects who have no plans to change homes during the intervention period
- Non-smokers and former smokers
Age in the registry: 50 years to 80 years · Sex: All · Does not accept healthy volunteers
Sites (1)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| School of Public Health, Fudan University Coordinator of this site? Confirm its status | Shanghai | China | Recruiting |
This page is information, not medical advice. Discuss any trial with your doctor.