Chronic bronchitis
MONDO:0005607A type of chronic obstructive pulmonary disease characterized by chronic inflammation in the bronchial tree that results in edema, mucus production, obstruction, and reduced airflow to and from the lung alveoli. The most common cause is tobacco smoking. Signs and symptoms include coughing with excessive mucus production, and shortness of breath.
Also known as: bronchitis, chronic
65 clinical trials for this condition and its sub-types.
Follow this condition — get notified about new trialsBroader categories
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Smart inhaler gadget aims to cut COPD emergencies
Disease control Not yet recruitingThis pilot study will test a digital device that attaches to a standard COPD inhaler. The device coaches patients on proper inhaler technique and shares usage data with their healthcare team. Researchers want to see if this approach is practical and helps reduce hospital visits a…
Phase: NA • Sponsor: Cedars-Sinai Medical Center • Aim: Disease control
Last updated Jun 27, 2026 07:54 UTC
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New nerve block technique aims to ease pain after lung surgery
Symptom relief Not yet recruitingThis study compares a new, simpler nerve block method to the traditional one for people having lung surgery with a camera (VATS). The goal is to see if the new method works just as well for pain control and helps patients recover faster. About 200 adults will be randomly assigned…
Phase: NA • Sponsor: Sixth Affiliated Hospital, Sun Yat-sen University • Aim: Symptom relief
Last updated Jun 27, 2026 12:31 UTC
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Cartoons and stories soothe Kids' fear during breathing treatments
Symptom relief Not yet recruitingThis study looks at whether watching cartoons or listening to breath-synchronized interactive stories can help children aged 6-9 feel less afraid and more comfortable while using a nebulizer for breathing medication. About 96 children with respiratory conditions will be randomly …
Phase: NA • Sponsor: Mersin University • Aim: Symptom relief
Last updated Jun 27, 2026 12:04 UTC
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Freezing lung lining again? small study tests repeat cryospray safety in COPD
Symptom relief Not yet recruitingThis study tests whether it is safe to repeat a procedure called metered cryospray in people with COPD and chronic bronchitis who have already had it once. Only 10 participants will be enrolled. The main goal is to see if the treatment can be fully delivered and to track any seri…
Phase: NA • Sponsor: CSA Medical, Inc. • Aim: Symptom relief
Last updated Jun 27, 2026 11:02 UTC
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Cold therapy could take the ouch out of blood tests
Symptom relief Not yet recruitingThis study tests if applying cold (cryotherapy) to the wrist before a blood draw from the artery can reduce pain. It involves 258 adults with chronic respiratory diseases who need this test. The goal is to find a simple, drug-free way to make the procedure less painful.
Phase: PHASE3 • Sponsor: University Hospital, Brest • Aim: Symptom relief
Last updated Jun 27, 2026 09:04 UTC
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30,000 blood samples could revolutionize rapid disease testing
Knowledge-focused Not yet recruitingThis study will collect blood samples from 30,000 adults in the UK with various health conditions, including blood clots, infections, heart disease, diabetes, and more. The samples will be used to develop and fine-tune new diagnostic tests for the cobas® lumira device, which allo…
Sponsor: LumiraDx UK Limited • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:00 UTC
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Scientists probe hidden link between lung disease and high blood pressure in lungs
Knowledge-focused Not yet recruitingThis study will examine tissue and blood samples from 105 adults having lung surgery to understand why some people with chronic lung disease develop pulmonary hypertension (high blood pressure in the lungs). Researchers will compare three groups: those with lung disease and pulmo…
Sponsor: Assistance Publique Hopitaux De Marseille • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:51 UTC