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Study aim
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The aim of this study was to evaluate the effectiveness of combination therapy of beta interferon and methylprednisolone in comparison with beta interferon on the recovery of patients with Covid-19.
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Design
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The double-blind clinical trial, sham- controlled clinical trial with parallel groups
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Settings and conduct
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People with Covid-19 admitted to Shahid Sadoughi Hospital in Yazd were divided into two groups after classification and matching based on age and sex. Both groups received medication on the first day of hospitalization according to the national protocol. During the days of hospitalization, the intervention group received 500 mg of methylprednisolone weekly and 0.44 mg of β-interferon daily subcutaneously. The control group received 0.44 mg of beta interferon daily subcutaneously.
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Participants/Inclusion and exclusion criteria
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Inclusion criteria: age between 18- 80 years old, Covid-19 infection based on high-resolution computed tomography findings, progressive and severe hypoxia based on blood oxygen saturation level less than 88% with a reservoir bag mask and flow of 15 liters, exacerbation of lymphopenia during hospitalization.
Exclusion criteria: cardiovascular patients, grade 3 and more liver cirrhosis, autoimmune diseases, severe depression and psychosis, organ transplantation, kidney failure, pregnancy.
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Intervention groups
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Both groups received medication on the first day of hospitalization according to the national treatment protocol. For the intervention group, 500 mg methylprednisolone was given weekly and 0.44 mg β- interferon was administered subcutaneously daily. The control group received 0.44 mg of β- interferon subcutaneously daily.
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Main outcome variables
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Body temperature, blood pressure, respiration rate, O2 saturation, white blood cell, neutrophil, lymphocyte, platelet, erythrocyte sedimentation rate, C-reactive protein