{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,17]],"date-time":"2026-02-17T16:02:43Z","timestamp":1771344163099,"version":"3.50.1"},"reference-count":66,"publisher":"Oxford University Press (OUP)","issue":"2","license":[{"start":{"date-parts":[[2026,2,5]],"date-time":"2026-02-05T00:00:00Z","timestamp":1770249600000},"content-version":"vor","delay-in-days":4,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100007338","name":"Barnes-Jewish Hospital Foundation","doi-asserted-by":"publisher","award":["5326"],"award-info":[{"award-number":["5326"]}],"id":[{"id":"10.13039\/100007338","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,2,2]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Dysregulated inflammatory processes have been associated with severe COVID-19 disease. Ceramides, bioactive lipids involved in inflammatory signaling, have been utilized to predict outcomes in chronic cardiometabolic diseases and pancreatic cancer, but their role in COVID-19 remains unknown.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This observational study prospectively enrolled patients with COVID-19 disease who required intubation and mechanical ventilation at a Midwestern academic hospital between August 2020 and March 2021. Plasma ceramides 16:0 (C16), 22:0 (C22), and 24:0 (C24) and inflammatory markers (CRP, ESR, D-Dimer, and ferritin) were collected and organized weekly from symptom onset for up to 6 weeks. Patients were grouped by in-hospital mortality status. Linear mixed-effects models assessed temporal trends and associations between ceramides, inflammatory markers, and clinical outcomes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>We enrolled 53 patients with COVID-19. Demographic and clinical characteristics were similar between survival groups, except nonsurvivors more frequently received convalescent plasma (77% vs 44%, P = .04). C16, C22, and C24 followed similar temporal trajectories to each other, but demonstrated an inverse pattern when compared with other inflammatory markers. Nonsurvivors demonstrated higher plasma levels of all the ceramide species in the first week of illness, followed by lower levels compared with survivors in subsequent weeks.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The synchronous trajectories of C16, C22, and C24 differ from patterns reported in chronic disease and suggest their behavior may vary with disease acuity. Their inverse trend with standard inflammatory markers resembles the behavior of negative acute-phase reactants. Further research into ceramide flux dynamics in the acute-to-subacute phase of disease is needed.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/ofid\/ofag052","type":"journal-article","created":{"date-parts":[[2026,2,3]],"date-time":"2026-02-03T12:41:45Z","timestamp":1770122505000},"source":"Crossref","is-referenced-by-count":0,"title":["Plasma Ceramides Levels in Severe COVID-19 Disease: Correlations with Survival"],"prefix":"10.1093","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3419-4002","authenticated-orcid":false,"given":"Tri","family":"Pham","sequence":"first","affiliation":[{"name":"Department of Medicine, Washington University in St.Louis School of Medicine , St. Louis, Missouri ,","place":["USA"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrea M","family":"Heredia Castillo","sequence":"additional","affiliation":[{"name":"Division of Infectious Diseases, Department of Medicine, Washington University in St.Louis School of Medicine , St. Louis, Missouri ,","place":["USA"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrew","family":"Atkinson","sequence":"additional","affiliation":[{"name":"Division of Infectious Diseases, Department of Medicine, Washington University in St.Louis School of Medicine , St. Louis, Missouri ,","place":["USA"]},{"name":"Institute for Informatics, Data Science, and Biostatistics, Washington University in St.Louis School of Medicine , St. Louis, Missouri ,","place":["USA"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8766-4552","authenticated-orcid":false,"given":"Linda R","family":"Peterson","sequence":"additional","affiliation":[{"name":"Cardiovascular Division, Department of Internal Medicine, Washington University School of Medicine , St.Louis, Missouri ,","place":["USA"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M Cristina","family":"Vazquez Guillamet","sequence":"additional","affiliation":[{"name":"Division of Infectious Diseases, Department of Medicine, Washington University in St.Louis School of Medicine , St. Louis, Missouri ,","place":["USA"]},{"name":"Division of Pulmonary and Critical Care, Department of Medicine, Washington University in St.Louis School of Medicine , St. Louis, Missouri ,","place":["USA"]}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2026,2,5]]},"reference":[{"key":"2026021710015499600_ofag052-B1","doi-asserted-by":"crossref","first-page":"493","DOI":"10.15585\/mmwr.mm7218a4","article-title":"COVID-19 mortality update\u2014United States, 2022","volume":"72","author":"Ahmad","year":"2023","journal-title":"MMWR Morb Mortal Wkly Rep"},{"key":"2026021710015499600_ofag052-B2","doi-asserted-by":"crossref","first-page":"549","DOI":"10.1007\/s00134-021-06389-z","article-title":"Natural history, trajectory, and management of mechanically ventilated 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