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1.
Preprint in English | medRxiv | ID: ppmedrxiv-22270001

ABSTRACT

Little is known on the key contributing factors towards progression into acute respiratory distress syndrome (ARDS) necessitating mechanical ventilation (MV) in COVID-19. We determined serum levels, within 24 hours of diagnosis, of alarmins, as well as pro- and anti-inflammatory molecules in asymptomatic, moderate, severe and intubated patients compared to non-infected comparators. Levels of the pro-inflammatory interleukin (IL)-8, IL-18, matrix metalloproteinase-9, platelet-derived growth factor (PDGF)-B and calprotectin (S100A8/A9) were specific drivers of ARDS. Levels of the anti-inflammatory IL-1ra and IL-33r were increased; IL-38 was increased only in asymptomatic patients, but significantly decreased in the more severe COVID-19 cases. Multivariate ordinal regression showed that pathways of IL-6, IL-33 and calprotectin gave significant probability for worse outcome. These results indicate a dysfunctional response to the presence of alarmins that may be used for prognosis and development of effective treatments.

2.
Preprint in English | medRxiv | ID: ppmedrxiv-21257283

ABSTRACT

BackgroundIn a previous open-label trial, early anakinra treatment guided by elevated soluble urokinase plasminogen activator receptor (suPAR) prevented progression of COVID-19 pneumonia into respiratory failure. MethodsIn the SAVE-MORE multicenter trial, 594 hospitalized patients with moderate and severe COVID-19 pneumonia and plasma suPAR 6 ng/ml or more and receiving standard-of-care were 1:2 randomized to subcutaneous treatment with placebo or 100 mg anakinra once daily for 10 days. The primary endpoint was the overall clinical status of the 11-point World Health Organization ordinal Clinical Progression Scale (WHO-CPS) at day 28. The changes of the WHO-CPS and of the sequential organ failure assessment (SOFA) score were the main secondary endpoints. ResultsAnakinra-treated patients were distributed to lower strata of WHO-CPS by day 28 (adjusted odds ratio-OR 0.36; 95%CI 0.26-0.50; P<0.001); anakinra protected from severe disease or death (6 or more points of WHO-CPS) (OR: 0.46; P: 0.010). The median absolute decrease of WHO-CPS in the placebo and anakinra groups from baseline was 3 and 4 points respectively at day 28 (OR 0.40; P<0.0001); and 2 and 3 points at day 14 (OR 0.63; P: 0.003); the absolute decrease of SOFA score was 0 and 1 points (OR 0.63; P: 0.004). 28-day mortality decreased (hazard ratio: 0.45; P: 0.045). Hospital stay was shorter. ConclusionsEarly start of anakinra treatment guided by suPAR provides 2.78 times better improvement of overall clinical status in moderate and severe COVID-19 pneumonia. (Sponsored by the Hellenic Institute for the Study of Sepsis ClinicalTrials.gov identifier, NCT04680949)

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