Use este identificador para citar ou linkar para este item: http://hdl.handle.net/11690/1899
Autor(es): Cavalcanti, Alexandre B.
Zampieri, Fernando G.
Rosa, Regis G.
Azevedo, Luciano C. P.
Veiga, Viviane C.
Avezum, Alvaro
Damiani, Lucas P.
Marcadenti, Aline
Kawano-Dourado, Letícia
Lisboa, Thiago
Junqueira, Debora L. M.
Silva, Pedro G. M. de Barros E
Tramujas, Lucas
Abreu-Silva, Erlon O.
Laranjeira, Ligia N.
Soares, Aline T.
Echenique, Leandro S.
Pereira, Adriano J.
Freitas, Flávio G. R.
Gebara, Otávio C. E.
Dantas, Vicente C. S.
Furtado, Remo H. M.
Milan, Eveline P.
Golin, Nicole A.
Cardoso, Fábio F.
Maia, Israel S.
Hoffmann Filho, Conrado R.
Kormann, Adrian P. M.
Amazonas, Roberto B.
Oliveira, Monalisa F. Bocchi de
Serpa-Neto, Ary
Falavigna, Maicon
Lopes, Renato D.
Machado, Flávia R.
Berwanger, Otavio
Título: Hydroxychloroquine with or without Azithromycin in Mild-to-Moderate Covid-19
Palavras-chave: Hydroxychloroquine;Azithromycin;Mild-to-Moderate Covid-19
Data do documento: 2020
Editor: Massachusetts Medical Society
Citação: CAVALCANTI, A. B. et al. Hydroxychloroquine with or without Azithromycin in Mild-to-Moderate Covid-19. N. Engl. J. Med., v. 383, n. 21, p. 2041-2052, nov., 2020. Disponível em: https://www.nejm.org/doi/10.1056/NEJMoa2019014?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub%20%200pubmed. Acesso e: 22 jul. 2021.
Resumo: BACKGROUND Hydroxychloroquine and azithromycin have been used to treat patients with coronavirus disease 2019 (Covid-19). However, evidence on the safety and efficacy of these therapies is limited. METHODS We conducted a multicenter, randomized, open-label, three-group, controlled trial involving hospitalized patients with suspected or confirmed Covid-19 who were receiving either no supplemental oxygen or a maximum of 4 liters per minute of supplemental oxygen. Patients were randomly assigned in a 1:1:1 ratio to receive standard care, standard care plus hydroxychloroquine at a dose of 400 mg twice daily, or standard care plus hydroxychloroquine at a dose of 400 mg twice daily plus azithromycin at a dose of 500 mg once daily for 7 days. The primary outcome was clinical status at 15 days as assessed with the use of a seven-level ordinal scale (with levels ranging from one to seven and higher scores indicating a worse condition) in the modified intention-to-treat population (patients with a confirmed diagnosis of Covid-19). Safety was also assessed. RESULTS A total of 667 patients underwent randomization; 504 patients had confirmed Covid-19 and were included in the modified intention-to-treat analysis. As compared with standard care, the proportional odds of having a higher score on the seven-point ordinal scale at 15 days was not affected by either hydroxychloroquine alone (odds ratio, 1.21; 95% confidence interval [CI], 0.69 to 2.11; P=1.00) or hydroxychloroquine plus azithromycin (odds ratio, 0.99; 95% CI, 0.57 to 1.73; P=1.00). Prolongation of the corrected QT interval and elevation of liver-enzyme levels were more frequent in patients receiving hydroxychloroquine, alone or with azithromycin, than in those who were not receiving either agent. CONCLUSIONS Among patients hospitalized with mild-to-moderate Covid-19, the use of hydroxychloroquine, alone or with azithromycin, did not improve clinical status at 15 days as compared with standard care. (Funded by the Coalition Covid-19 Brazil and EMS Pharma; ClinicalTrials.gov number, NCT04322123.)
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