Background: Identification of therapies to prevent severe COVID-19 remains a priority. We
sought to determine whether hydroxychloroquine treatment for outpatients with SARS-CoV-2 …

Importance Data on the efficacy of hydroxychloroquine for the treatment of coronavirus
disease 2019 (COVID-19) are needed. Objective To determine whether hydroxychloroquine …

Summary Background Previous Randomised controlled trials (RCT) evaluating chloroquine
and hydroxychloroquine in non-hospitalised COVID-19 patients have found no significant …

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 …

Background Use of hydroxychloroquine in hospitalized patients with coronavirus disease
2019 (COVID-19), especially in combination with azithromycin, has raised safety concerns …

Background Data from nonrandomized studies have suggested that hydroxychloroquine
could be an effective therapeutic agent against coronavirus disease 2019 (COVID-19) …

Hydroxychloroquine (HCQ) was initially promoted as an oral therapy for early treatment of
coronavirus disease 2019 (COVID‐19). Conventional meta‐analyses cannot fully address …

Aim To assess the efficacy and safety of hydroxychloroquine with or without azithromycin) in
hospitalized adult patients with COVID-19. Methods We utilized a hospital based …

Background Hydroxychloroquine has not been associated with improved survival among
hospitalized COVID-19 patients in the majority of observational studies and similarly was not …

Introduction The novel coronavirus pandemic (COVID–19) represents a major public health
problem and it is key to find a treatment that reduces mortality. Our objective was to estimate …