Chronic Obstructive Pulmonary Disease Clinical Trial
Official title:
Muscle Atrophy in Patients With Chronic Obstructive Pulmonary DIsease : Substudy With Patients Who Experienced an Acute Exacerbation
Chronic obstructive pulmonary disease (COPD) is a leading cause of morbidity and mortality
worldwide. Its prevalence is in progression and COPD is expected to become the fourth
leading cause of death by 2030. COPD is characterized by periods of stability interspersed
with acute infectious/inflammatory flare-ups, also called acute exacerbations, during which
patients deteriorate, sometimes to the point of requiring immediate medical assistance.
Although most patients eventually recover, repeated episodes of exacerbations may accelerate
COPD progression. Exacerbations may further compromise the integrity of limb muscles by
promoting further loss in muscle mass and strength.
The overall objective of this substudy is to elucidate how an acute COPD exacerbation may
affect limb muscles.
Focusing our attention during exacerbations, a period of aggravated systemic inflammation, should be more rewarding in terms of understanding the link between inflammation burst and muscle disease in COPD. We have recently acquired experimental data supporting a role for the ubiquitin proteasome pathway in the worsening of limb muscle structure and function during an acute exacerbation, providing a solid framework for this investigation. The overall objective of this proposal is to substantiate these preliminary findings and elucidate how systemic inflammation during acute COPD exacerbation may affect limb muscles. Ultimately, our research could open new therapeutic avenues to minimize the systemic consequences of an acute exacerbation. ;
Observational Model: Cohort, Time Perspective: Prospective
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