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Antiviral Activity and Safety of Darunavir/Cobicistat for the Treatment of COVID-19

  • Chen, Jun1
  • Xia, Lu2
  • Liu, Li1
  • Xu, Qingnian3
  • Ling, Yun4
  • Huang, Dan5
  • Huang, Wei2
  • Song, Shuli6
  • Xu, Shuibao1
  • Shen, Yingzhong1
  • Lu, Hongzhou1
  • 1 Department of Infectious Diseases and Immunology, Shanghai Public Health Clinical Center, China , (China)
  • 2 Department of Tuberculosis, Shanghai Public Health Clinical Center, China , (China)
  • 3 Department of Traditional Chinese Medicine, Shanghai Public Health Clinical Center, China , (China)
  • 4 Department of Infectious Diseases, Shanghai Public Health Clinical Center, China , (China)
  • 5 Department of Hepatology, Shanghai Public Health Clinical Center, China , (China)
  • 6 Department of Cardiovascular Diseases, Shanghai Public Health Clinical Center, China , (China)
Published Article
Open Forum Infectious Diseases
Oxford University Press
Publication Date
Jun 21, 2020
DOI: 10.1093/ofid/ofaa241
PMID: 32671131
PMCID: PMC7337805
PubMed Central
  • AcademicSubjects/MED00290


Background We aimed to evaluate the antiviral activity and safety of darunavir/cobicistat (DRV/c) in treating COVID-19 patients. Methods In this single-center, randomized, and open-label trial, mild patients with polymerase chain reaction (PCR)–confirmed COVID-19 were enrolled in Shanghai, China. Participants were randomized to receive DRV/c for 5 days on the top of interferon alpha 2b inhaling or interferon alpha 2b inhaling alone. The primary end point was the virological clearance rate of oropharyngeal swabs at day 7 after randomization in the intention-to-treat population ( NCT04252274). Results From January 30, 2020, to February 6, 2020, a total of 30 patients were enrolled, of whom 18 (60%) were male, aged 47.2 ± 2.8 years; 63.3% (19/30) of the participants had fever, and 46.7% (14/30) had cough at enrollment. The participants were randomized (range) at 4 (2–5) days after onset of symptoms. The proportion of negative PCR results at day 7 was 46.7% (7/15) and 60.0% (9/15) in the DRV/c and control groups ( P = .72), respectively. The viral clearance rate at day 3 was 20% (3/15) in both study groups, while the number increased to 26.7% (4/15) in the DRV/c group and remained 20% (3/15) in the control group at day 5. Fourteen days after randomization, 1 participant in the DRV/c group progressed to critical illness and discontinued DRV/c, while all the patients in the control group were stable ( P = 1.0). The frequencies of adverse events in the 2 groups were comparable. Conclusions Five days of DRV/c did not increase the proportion of negative conversion vs standard of care alone, although it was well tolerated.

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