CONTEXT: Based on the results of preliminary studies, the off-label use of
hydroxychloroquine for COVID-19 infection has been observed in practice. OBJECTIVES: To …

Objective: to assess effectiveness and safety of hydroxychloroquine and chloroquine on the
treatment of COVID-19. Study desing: a systematic review of literature was performed in two …

ABSTRACT COVID-19 has quickly become a public health problem worldwide, and
treatment for this new disease is needed. Hydroxychloroquine is an antimalarial that in vitro …

Background Coronavirus pandemic is currently a global public health emergency. At
present, no pharmacological treatment is known to treat this condition, and there is a need to …

ImportanceThe COVID-19 Pandemic has literally left the world breathless in the chase for
pharmacotherapy. With vaccine and novel drug development in early clinical trials …

Background: Many of the known coronaviruses cause a wide range of respiratory infections
in humans, and the novel coronavirus is no exception to this rule. Although no drug has yet …

Objective We performed a systematic review of the literature and meta-analysis on the
efficacy and safety of hydroxychloroquine to treat COVID-19 patients. Methods We searched …

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 …

Introduction Many concerns still exist regarding the safety of hydroxychloroquine (HCQ) in
the treatment of Coronavirus Disease 2019 (COVID-19). Objectives The purpose of this …

BACKGROUND: Hydroxychloroquine and chloroquine have been proposed as treatments
for coronavirus disease 2019 (Covid-19) on the basis of in vitro activity and data from …