Chloroquine and hydroxychloroquine in coronavirus disease 2019 (COVID-19). Facts, fiction and the hype: a critical appraisal

International Journal of Antimicrobial Agents
Mohammad Sultan Khuroo

Abstract

The coronavirus infection (COVID-19) has turned into a global catastrophe and there is an intense search for effective drug therapy. Of all the potential therapies, chloroquine and hydroxychloroquine have been the focus of tremendous public attention. Both drugs have been used in the treatment and prophylaxis of malaria. Long-term use of hydroxychloroquine is the cornerstone in the treatment of several auto-immune disorders. There is convincing evidence that hydroxychloroquine has strong in vitro antiviral activity against SARS-CoV-2. A few small uncontrolled trials and several anecdotal reports have shown conflicting results of such drug therapy in COVID-19. However, the results of preliminary large-scale randomized controlled trials have failed to show any survival benefit of such drug therapy in COVID-19. Despite the lack of such evidence, hydroxychloroquine has been used as a desperate attempt for prophylaxis and treatment of COVID-19. The drug has wide-ranging drug interactions and potential cardiotoxicity. Indiscriminate unsupervised use can expose the public to serious adverse drug effects.

Citations

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Methods Mentioned

BETA
glycosylation
biopsy

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