Repurposing of Rutan showed effective treatment for COVID-19 disease

Front Med (Lausanne). 2023 Nov 29:10:1310129. doi: 10.3389/fmed.2023.1310129. eCollection 2023.

Abstract

Previously, from the tannic sumac plant (Rhus coriaria), we developed the Rutan 25 mg oral drug tablets with antiviral activity against influenza A and B viruses, adenoviruses, paramyxoviruses, herpes virus, and cytomegalovirus. Here, our re-purposing study demonstrated that Rutan at 25, 50, and 100 mg/kg provided a very effective and safe treatment for COVID-19 infection, simultaneously inhibiting two vital enzyme systems of the SARS-CoV-2 virus: 3C-like proteinase (3CLpro) and RNA-dependent RNA polymerase (RdRp). There was no drug accumulation in experimental animals' organs and tissues. A clinical study demonstrated a statistically significant decrease in the C-reactive protein and a reduction of the viremia period. In patients receiving Rutan 25 mg (children) and 100 mg (adults), the frequency of post-COVID-19 manifestations was significantly less than in the control groups not treated with Rutan tablets. Rutan, having antiviral activity, can provide safe treatment and prevention of COVID-19 in adults and children.

Clinical trial registration: ClinicalTrials.gov, ID NCT05862883.

Keywords: 3CLpro; COVID-19; RdRp; Rhus coriaria; Rutan; SARS-CoV-2; clinical trial.

Associated data

  • ClinicalTrials.gov/NCT05862883

Grants and funding

The author(s) declare financial support was received for the research, authorship, and/or publication of this article. This research was funded by the Ministry of the Innovative Development Republic of Uzbekistan, grant number I-FA-2021-72.