Efficacy and Safety Comparison of Two Different Doses of Dexamethasone in Hospitalized Patients with COVID-19: A Randomized Clinical Trial
The current study aims to investigate high- versus low-dose dexamethasone administration to control the disease with minor complications.
The current multicentric randomized clinical trial was conducted on 119 patients with COVID-19 pneumonia and assigned into two groups of low-dose (8 mg daily intravenous dose for at least 7 days or until discharge) (n = 61) versus high-dose dexamethasone (24 mg for 3 days followed by daily 8 mg for the at least 4 days later or until discharge) (n = 58) during 2020–2021. Oxygen saturation, dyspnea severity based on the Borg scale, and laboratory indices were assessed at 3, 5, and 7 days of corticosteroid therapy. Patients were compared regarding the length of hospitalization, intensive care unit (ICU) admission requirement, and noninvasive or invasive ventilation. The other investigations included corticosteroid‑related adverse effects and mortality rates within a month after the medications.
Oxygen saturation, Borg scale, and C‑reactive protein levels were significantly altered by the time in both the groups (P < 0.05). In contrast, the trend of improvements in Borg scale (P = 0.007) and lactate dehydrogenase levels (P = 0.034) were superior in high-dose treated cases. Drug-related adverse (P = 0.809), mortality rate (P = 0.612), hospitalization duration (P = 0.312), ICU admission requirement (P = 0.483), and noninvasive (P = 0.396) and invasive ventilation (P = 0.420) did not differ between the groups.
According to this study, low- versus high-dose dexamethasone therapy did not affect the outcomes, so low‑dose dexamethasone is recommended for COVID-19 pneumonia to achieve optimal results and prevent potential adverse events.
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