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Clinical Trial Summary

Mechanically ventilated intensive care patients will be sampled for a small amount of exhaled breath condensate from the ventilator circuit and for venous blood. Proteomic analysis of the exhaled breath condensate will be performed using mass spectrometry and in the blood sample, corresponding changes in the DNA, RNA, proteins, and metabolites will be studied. Resulting profiles will be correlated with routinely monitored parameters in order to identify patterns corresponding to various pathologies in order to enable their early detection.


Clinical Trial Description

Exhaled breath condensate (EBC) is a product of gas exchange in the lungs. It contains plethora of substances of possible diagnostic value and its composition is likely to change rapidly in response to the development of pathological conditions, especially in the lungs. Mechanically ventilated intensive care patients with various pathological conditions will be sampled for a small amount of EBC from the ventilator circuit and for venous blood. A sampling method not affecting relevant parameters of mechanical ventilation will be developed and standardised. EBC samples will be frozen and after processing, proteomic analyses will be performed using mass spectrometry. In the blood sample, corresponding changes in the DNA, RNA, proteins, and metabolites will be studied using molecular biological methods. Resulting profiles will be correlated with routinely monitored parameters (such as inflammation markers, microbiological findings and mechanical ventilation parameters) with the aim of finding patterns corresponding to the early stages of various pathological conditions focusing on lung tissue. Identification of patterns specific to initial stages of lung and other organ pathologies would enable their early treatment possibly shortening mechanical ventilation/ICU stay and reducing morbidity/mortality. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06189924
Study type Observational
Source The Institute of Molecular and Translational Medicine, Czech Republic
Contact Emil Berta, MD PhD
Phone +420585632111
Email e.berta@upol.cz
Status Not yet recruiting
Phase
Start date January 1, 2024
Completion date December 31, 2029

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