Abstract
Background: Coronaviruses including COVID-19, MERS and SARS have affected millions
of people around the world since their emergence. Still, there is not a certain drug treatment
strategy for coronaviruses.
Objective: This review aims at a compilation of a comprehensive study on literature reporting the
treatment strategies and regimens used for COVID-19, MERS and SARS with an emphasis on the
clinical trials and experimentations.
Results: According to the literature, the most effective drugs reported so far for treatment strategies
include: lopinavir/ritonavir, favipiravir, ribavirin, oseltamivir, remdesivir, hydroxychloroquine,
herbal extracts, monoclonal antibodies and anticytokine agents. Some combinations of
drugs have been very effective to reduce the death rate, hospitalization stay and to prevent the
progress of the disease to the later critical and severe stages.
Conclusions: However, a combination of drugs and regimens have been useful and saved millions
of patient’s lives but the clinical data reviewed in this essay indicate that the current drugs do not
make an impervious barrier against coronavirus infections and cannot protect or treat patients completely.
Therefore, there is a much demand for the discovery and introduction of new antiviral
drugs.
Keywords:
COVID-19, MERS, SARS, Coronavirus, Antiviral drugs, Cytokine storm release.
Graphical Abstract
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