Biomarkers for Dexamethasone Response in Sars-Cov-2 / COVID-19 Pneumonia
The primary objective of this study is to demonstrate (at the time of admission) biomarkers of interest (Human Plasma BAK125 panel + interferon panel) for dexamethasone responders versus non-responders in SARS-CoV-2 hypoxemic pneumonia. The secondary objectives are to describe and compare between groups: The number of days without mechanical ventilation The need for mechanical ventilation 28-day mortality Progression towards acute respiratory distress syndrome (ARDS) Change in the qSOFA score Length of hospitalization The change in the extent of lesions on thoracic computed tomography scan between inclusion and D7 (or the day of discharge from hospital if <D7) Change in biomarkers on D0, D2, D4, D7 (NFS, liver tests (ASAT, ALAT), Creatinine, Albumin, CRP, D-dimers, Ferritin, LDH, lymphocyte phenotyping) Demonstrate other biomarkers of interest from the usual management (NFS, liver function tests (ASAT, ALAT), Creatinine, Albumin, CRP, D-dimers, Ferritin, LDH, lymphocyte phenotyping) Change in biomarkers evaluated by mass spectrometry (on a blood sample) on D0 and D7 +/- 2 days The initial viral load (within 48 hours preceding D0) and at D7 of inclusion estimated from the nasopharyngeal SARS-CoV-2 RT-PCR Initial SARS-CoV-2 serology and on D7 from inclusion The A38G polymorphism of the gene coding for Club Cell Secretory Protein (CCSP) for each patient Short-term complications related to corticosteroid therapy The quantitative and qualitative impact of corticosteroid therapy on lymphocytes from patients with COVID-19.
Start: November 2020