Chronic bronchitis

This trial is testing an investigational drug called brenipatide in adults with moderate-to-severe COPD. Participants will receive either brenipatide or a placebo for about a year, alongside standard care. The goal is to see if brenipatide improves lung function and reduces the n…

This 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…

This 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…

This 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…