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Parenteral fish oil: An adjuvant pharmacotherapy for coronavirus disease 2019? #MMPMID32738510
Torrinhas RS; Calder PC; Lemos GO; Waitzberg DL
Nutrition 2021[Jan]; 81 (ä): 110900 PMID32738510show ga
The new coronavirus associated with severe acute respiratory syndrome (SARS-CoV-2), surprisingly, does not affect only the lungs. The severe response to SARS-CoV-2 appears to include a "cytokine storm," which indicates a state of hyperinflammation and subsequent dysfunction of multiple organs and tissues in the most severe cases. This could be the reason why populations at the highest risk for death from the SARS-CoV-2 infection-induced disease (coronavirus disease 2019 [COVID-19]) are those suffering from chronic low-grade inflammation, but prone to hyperinflammation. This includes individuals of advanced age and those with obesity, type 2 diabetes, hypertension, and metabolic syndrome. Inflammation resolution is strongly dependent on lipid mediators, the specialized pro-resolution mediators (SPMs). omega-3 polyunsaturated fatty acids (omega-3 PUFAs) are precursors of very potent SPMs, including resolvins, protectins, and maresins. Additionally, they are associated with a less aggressive inflammatory initiation, after competing with omega-6 fatty acids for eicosanoid synthesis. Therefore, it makes sense to consider the use of omega-3 PUFAs for clinical management of COVID-19 patients. omega-3 PUFAs may be given by oral, enteral, or parenteral routes; however, the parenteral route favors faster incorporation into plasma phospholipids, blood cells, and tissues. Here, we discuss these aspects to propose the parenteral infusion of omega-3 PUFAs as adjuvant immunopharmacotherapy for hospitalized patients with COVID-19.