Sunshine Biopharma says study shows MR1-114 SARS-CoV-2 inhibitor effective in mice, potent in vitro across variants

Sunshine Biopharma Incorporated

Sunshine Biopharma Incorporated

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  • Sunshine Biopharma reported publication of Journal of Medicinal Chemistry data on PLpro inhibitor MR1-114 targeting SARS-CoV-2.
  • Study showed nanomolar in vitro potency across variants; oral dosing reduced viral replication in a SARS-CoV-2 mouse model.
  • Mouse efficacy was described as comparable to nirmatrelvir in Paxlovid, supporting potential clinical development for SARS coronavirus infections.


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