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2020 ; 54
(ä): 68
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Primum non nocere - Are chloroquine and hydroxychloroquine safe
prophylactic/treatment options for SARS-CoV-2 (covid-19)?
#MMPMID32638884
Biguetti C
; Marrelli MT
; Brotto M
Rev Saude Publica
2020[]; 54
(ä): 68
PMID32638884
show ga
Chloroquine (CQ) and its analog hydroxychloroquine (HCQ) were recently included
in several clinical trials as potential prophylactic and therapeutic options for
SARS-COV-2 infection/covid-19. However, drug effectiveness in preventing,
treating, or slowing the progression of the disease is still unknown. Despite
some initial promising in vitro results, rigorous pre-clinical animal studies and
randomized clinical trials have not been performed yet. On the other hand, while
the potential effectiveness of CQ/HCQ is, at best, hypothetical, their side
effects are factual and most worrisome, particularly when considering vulnerable
groups of patients being treated with these drugs. in this comment, we briefly
explain the possible mechanisms of action of CQ/HCQ for treating other diseases,
possible actions against covid-19, and their potent side effects, in order to
reinforce the necessity of evaluating the benefit-risk balance when widely
prescribing these drugs for SARS-COV-2 infection/covid-19. We conclude by
strongly recommending against their indiscriminate use.