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Study aim
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Evaluation of the effects of Annual SZ drug on modulating immune responses and efficacy against COVID-19 infection
Determination of the number and function of lymphocytes along with the average changes of cytokine IL-6, IFNγ and IL-4 in the group receiving the Annual SZ drug compared with the control group
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Design
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A controlled, parallel-group, double-blind, randomized, phase 2 clinical trial on 80 patients. The stratified randomized block design and sealed envelopes are used for randomization.
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Settings and conduct
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This study will be conducted in the Payambar Azam Educational, Therapeutic and Research Complex, Bandar Abbas, Iran. Blood samples will be taken before the intervention and on the 7th and 14th days after the intervention and flow cytometry, ELISA, CBC, and CRP tests will be performed.
This is a double-blinded study. Blinding of the patient is done by using a placebo. To blind the physician, medication packages are prepared in advance and treating physician does not know the contents of the package.
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Participants/Inclusion and exclusion criteria
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Inclusion criteria:
Signing an informed consent form, Both genders from 20 to 50 years old, Definite infection of COVID-19
Exclusion criteria:
Age less than 20 and more than 50 years, Pregnancy, People with Immunodeficiency, cardiac arrhythmia, kidney, liver, metabolic, mental, skin or malignant diseases.
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Intervention groups
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The intervention group is the group that is currently suffering from COVID-19 and receiving Annual SZ drug. The control group is patients who are currently infected with COVID-19 and are receiving national protocol drugs.
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Main outcome variables
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CD4, CD8, PD-1, IL-4, IL-6, IFNγ ; Annual SZ effects and effectiveness