A Pilot Study of the Use of 129Xe and 1H MRI to Measure the Modulation of Eosinophil-Related Inflammation by Mepolizumab In COPD

Фаза 3 Завершено NCT05138250

Кратко

The investigators aim to recruit 32 people with COPD who have frequent exacerbations and high eosinophil counts which indicates "asthmatic type" inflammation and treat them for a year with mepolizumab. This is a licenced medication for asthma. Mepolizumab is a monoclonal antibody that acts through interleukin-5 (IL-5) antagonism to reduce blood eosinophil levels and is effective at reducing exacerbations in asthmatics. To determine whether mepolizumab may be an effective treatment in people with COPD and "asthmatic type" inflammation participants will have MRI scans before the treatment, after 12 weeks and after a year to see how the drug affects inflammation. The investigators will also compare our measurements with the number of exacerbations people get (measured by diaries), with measures of their quality of life (using a questionnaire), and with ordinary laboratory breathing tests. The investigators are especially interested to know if the reduction in inflammation early on after 12 weeks is associated with fewer exacerbations and better quality of life over the year.

Change in Percentage Ventilated Defect Percent (VDP)

Baseline to 12 weeks of treatment · % change in VDP

Change in Pulmonary Inflammation

From Baseline to 12 weeks of treatment · ratio

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