期刊
GASTROENTEROLOGY
卷 159, 期 3, 页码 1129-+出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1053/j.gastro.2020.05.053
关键词
Coronavirus 2019; SARS-CoV-2; Famotidine; Hista-mine-2 Receptor Antagonists
Coronavirus Disease 2019 (COVID-19) caused 2 million cases and more than 150,000 deaths worldwide as of mid-April 2020.1 Clinical trials are under way to assess the efficacy of a variety of antiviral drugs; however, many of these drugs have toxicities and thus far no drug has been proven to improve outcomes in patients with COVID-19. Famotidine is a histamine-2 receptor antagonist that suppresses gastric acid production. In vitro, famotidine inhibits human immunodeficiency virus replication.2 Recently, Wu et al.3 used computational methods to predict structures of proteins encoded by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) genome and identified famotidine as one of the drugs most likely to inhibit the 3chymotrypsin-like protease (3CLpro), which processes proteins essential for viral replication.4 We hypothesized that famotidine would be associated with improved clinical outcomes among hospitalized patients with COVID-19. To explore this, we performed a retrospective cohort study at a single academic center located at the epicenter of the COVID-19 pandemic in the United States.
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