Journal
JOURNAL OF CLINICAL MEDICINE
Volume 10, Issue 24, Pages -Publisher
MDPI
DOI: 10.3390/jcm10245891
Keywords
COVID-19; SARS-CoV-2; hydroxyzine; FIASMA; treatment; inpatients; mortality; death
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In a multicenter observational study, the use of the FIASMA hydroxyzine was associated with reduced mortality in patients hospitalized for COVID-19. Further research, including double-blind placebo-controlled randomized clinical trials, is needed to confirm these results and explore the potential use of hydroxyzine for outpatients and as post-exposure prophylaxis.
(1) Background: Based on its antiviral activity, anti-inflammatory properties, and functional inhibition effects on the acid sphingomyelinase/ceramide system (FIASMA), we sought to examine the potential usefulness of the H1 antihistamine hydroxyzine in patients hospitalized for COVID-19. (2) Methods: In a multicenter observational study, we included 15,103 adults hospitalized for COVID-19, of which 164 (1.1%) received hydroxyzine within the first 48 h of hospitalization, administered orally at a median daily dose of 25.0 mg (SD = 29.5). We compared mortality rates between patients who received hydroxyzine at hospital admission and those who did not, using a multivariable logistic regression model adjusting for patients' characteristics, medical conditions, and use of other medications. (3) Results: This analysis showed a significant association between hydroxyzine use and reduced mortality (AOR, 0.51; 95%CI, 0.29-0.88, p = 0.016). This association was similar in multiple sensitivity analyses. (4) Conclusions: In this retrospective observational multicenter study, the use of the FIASMA hydroxyzine was associated with reduced mortality in patients hospitalized for COVID-19. Double-blind placebo-controlled randomized clinical trials of hydroxyzine for COVID-19 are needed to confirm these results, as are studies to examine the potential usefulness of this medication for outpatients and as post-exposure prophylaxis for individuals at high risk for severe COVID-19.
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