An intervention trial may provide insight whether vitamin K administration, either or not in combination with vitamin D, improves clinical outcome of COVID-19.Ĭoronavirus disease (COVID)-19 remains a major global health problem. Contrary to vitamin K status, 25(OH)D did not correlate with elastic fiber degradation.Ĭonclusions: Dp-ucMGP associates with IL-6 as a central component of the destructive inflammatory processes in COVID-19. A significant association was also found between IL-6 and elastic fiber degradation. In contrast, 25(OH)D levels were only borderline statistically significant correlated with IL-6 (r = −0.14 p <0.050). Dp-ucMGP levels as biomarker of extrahepatic vitamin K status was associated with IL-6 levels (r = 0.35 p < 0.0001). IL-6 levels, however, were significantly higher in patients with poor outcome, compared to patients with good outcome (30.3 vs. Results: Comparing good and poor disease outcomes of COVID-19 patients, vitamin 25(OH)D levels were not significantly different. Methods: We assessed vitamin D and K status by measuring circulating 25-hydroxyvitamin D (25(OH)D) and desphospho-uncarboxylated Matrix Gla-Protein (dp-ucMGP), respectively in 135 hospitalized COVID-19 patients in relation to inflammatory response, elastic fiber degradation and clinical outcomes. Both vitamin D and K have been proposed as potential modulators of this process. 5Department of Biochemistry, Cardiovascular Research Institute Maastricht, University of Maastricht, Maastricht, Netherlandsīackground: Pathology during COVID-19 infection arises partly from an excessive inflammatory response with a key role for interleukin (IL)-6.4Department of Internal Medicine, Radboud University Medical Centre, Nijmegen, Netherlands.3Department of Clinical Chemistry, Canisius-Wilhelmina Hospital, Nijmegen, Netherlands.
van den Ouweland 3, Henny van Daal 3, Cornelis Kramers 4, Leon J.
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