Ensitrelvir

A protease inhibitor.

Phase of research

Potential treatment - pre-clinical evidence

How it helps

Antiviral

Drug status

Experimental

2
Supporting references
0
Contradictory references
4
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0
Clinical trials

General information

Ensitrelvir is a clinically trialled SARS-CoV-2 3C-like protease inhibitor. It displayed efficacy against the BA.1 Omicron variant of SARS-CoV-2 in an animal model (Uraki et al., 2022).

Ensitrelvir on PubChem
Ensitrelvir on Wikipedia


Synonyms

S-217622


Marketed as

XOCOVA

 

Structure image - Ensitrelvir

CN1C=C2C=C(C(=CC2=N1)Cl)NC3=NC(=O)N(C(=O)N3CC4=CC(=C(C=C4F)F)F)CC5=NN(C=N5)C


Supporting references

Link Tested on Impact factor Notes Publication date
Therapeutic efficacy of monoclonal antibodies and antivirals against SARS-CoV-2 Omicron BA.1 in Syrian hamsters
3CLpro Spike variant Novel compound Protein factor Small molecule Animal model Antibody
VeroE6/TMPRSS2 cells; Syrian hamsters; SARS-CoV-2 live virus (D614G, Omicron BA.1, and Omicron BA.1.1) 17.75

The drug significantly decreased viral replication (BA.1 strain) in both upper and lower respiratory tract of Syrian hamsters upon a viral challenge. 

Jun/15/2022
Characterization and antiviral susceptibility of SARS-CoV-2 Omicron BA.2
3CLpro Spike variant Protein factor Small molecule Animal model In vitro Antibody
VeroE6/TMPRSS2 cells; Syrian hamsters (K18-hACE2 lines); K18-hACE2 C57BL/6J mice; BALB/c mice; SARS-CoV-2 live virus (D614G, Delta, Omicron BA.1, Omicron BA.1.1, and Omicron BA.2 (various isolates)) 49.96

The drug significantly decreased viral replication (BA.2 strain) in lungs and nasal turbinates of Syrian hamsters upon a viral challenge. 

May/16/2022

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