Background On the 11 March 2020, the World Health Organization (WHO) declared that
COVID-19 was a pandemic. To date, there are no medical treatments for COVID-19 with …

Background There is no effective therapy for COVID-19. Hydroxychloroquine (HCQ) and
chloroquine (CQ) have been used for its treatment but their safety and efficacy remain …

Hydroxychloroquine (HCQ) has shown efficacy against coronavirus disease 2019 (COVID-
19) in some but not all studies. We hypothesized that a systematic review would show HCQ …

Objectives The emergence of SARS‐CoV‐2 has presented clinicians with a difficult
therapeutic dilemma. With supportive care as the current mainstay of treatment, the fatality …

Abstract Background and Objective The world is currently experiencing the Coronavirus
Disease-19 (COVID-19) pandemic. There is no approved drug for the definitive treatment of …

Drugs that are specifically efficacious against SARS-CoV-2 have yet to be established.
Chloroquine and hydroxychloroquine have garnered considerable attention for their …

Abstract Purpose COVID-19 (coronavirus disease 2019) is a public health emergency of
international concern. As of this time, there is no known effective pharmaceutical treatment …

In December 2019, the novel coronavirus disease pandemic (COVID-19) that began in
China had infected so far more than 109,217,366 million individuals worldwide and …

Aims Studies have indicated that chloroquine (CQ) shows antagonism against COVID-19 in
vitro. However, evidence regarding its effects in patients is limited. This study aims to …

Objectives Clinical studies of chloroquine (CQ) and hydroxychloroquine (HCQ) in COVID-19
disease reported conflicting results. We sought to systematically evaluate the effect of CQ …