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Clinical Trial Summary

It is unknown whether individuals with COPD exhibit abnormal alveolar-capillary breaching during exercise, and whether this contributes to exertional dyspnoea. The aim of this study is to investigate whether individuals with COPD exhibit an abnormal increase in alveolar-capillary breaching during exertion, as indicated by an increase alveolar-capillary permeability with a concomitantly exacerbated increase in lung tissue mass.


Clinical Trial Description

It is unknown whether individuals with COPD exhibit abnormal alveolar-capillary breaching during exercise, and whether this contributes to exertional dyspnoea. The aim of this study is to investigate whether individuals with COPD exhibit an abnormal increase in alveolar-capillary breaching during exertion, as indicated by an increase alveolar-capillary permeability with a concomitantly exacerbated increase in lung tissue mass. The study participants include a control group and a group with COPD (GOLD I-III). Participants are undergoing three study days: (1) Measurement of maximal aerobic capacity and lung function test, (2) lung tissue mass and alveolar-capillary permeability is measured at rest and again 2 hours later, immediately after the participant has exercised on a bicycle ergometer and (3) supine cardiac output and pulmonary capillary blood volume will be measured at rest and immediately after exercise. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06287476
Study type Interventional
Source Rigshospitalet, Denmark
Contact Ronan MG Berg, MD, DMSc
Phone 004535451825
Email ronan@sund.ku.dk
Status Not yet recruiting
Phase N/A
Start date March 15, 2024
Completion date March 15, 2025

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