Abstract:
:Baricitinib is an oral Janus kinase (JAK)1/JAK2 inhibitor approved for the treatment of rheumatoid arthritis (RA) that was independently predicted, using artificial intelligence (AI) algorithms, to be useful for COVID-19 infection via proposed anti-cytokine effects and as an inhibitor of host cell viral propagation. We evaluated the in vitro pharmacology of baricitinib across relevant leukocyte subpopulations coupled to its in vivo pharmacokinetics and showed it inhibited signaling of cytokines implicated in COVID-19 infection. We validated the AI-predicted biochemical inhibitory effects of baricitinib on human numb-associated kinase (hNAK) members measuring nanomolar affinities for AAK1, BIKE, and GAK. Inhibition of NAKs led to reduced viral infectivity with baricitinib using human primary liver spheroids. These effects occurred at exposure levels seen clinically. In a case series of patients with bilateral COVID-19 pneumonia, baricitinib treatment was associated with clinical and radiologic recovery, a rapid decline in SARS-CoV-2 viral load, inflammatory markers, and IL-6 levels. Collectively, these data support further evaluation of the anti-cytokine and anti-viral activity of baricitinib and support its assessment in randomized trials in hospitalized COVID-19 patients.
journal_name
EMBO Mol Medjournal_title
EMBO molecular medicineauthors
Stebbing J,Krishnan V,de Bono S,Ottaviani S,Casalini G,Richardson PJ,Monteil V,Lauschke VM,Mirazimi A,Youhanna S,Tan YJ,Baldanti F,Sarasini A,Terres JAR,Nickoloff BJ,Higgs RE,Rocha G,Byers NL,Schlichting DE,Nirula Adoi
10.15252/emmm.202012697subject
Has Abstractpub_date
2020-08-07 00:00:00pages
e12697issue
8eissn
1757-4676issn
1757-4684journal_volume
12pub_type
杂志文章abstract::Mitochondrial disorders (MDs) are inherited multi-organ diseases with variable phenotypes. Inclusion body myositis (IBM), a sporadic inflammatory muscle disease, also shows mitochondrial dysfunction. We investigated whether primary and secondary MDs modify metabolism to reveal pathogenic pathways and biomarkers. We in...
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