Scutellariae Radix for COVID-19

Scutellariae Radix may be beneficial for COVID-19 according to the studies below. COVID-19 involves the interplay of 500+ viral and host proteins and factors providing many therapeutic targets. Scientists have proposed 11,000+ potential treatments. c19early.org analyzes 220+ treatments. We have not reviewed Scutellariae Radix in detail.
Yang et al., JinHuangJieDu (JHJD) formula attenuates SARS-CoV-2 infection by interrupting RBD-ACE2 binding and HIF-1α-dependent inflammation, Frontiers in Medicine, doi:10.3389/fmed.2026.1817137
Background Since the emergence and spread of coronavirus disease 2019 (COVID-19), Traditional Chinese Medicine (TCM) and its formulations have been used extensively in China for preventing and treating COVID-19 with demonstrated clinical efficacy. This study aimed to evaluate both the therapeutic potential and the mechanism of action of a newly designed TCM formula, JinHuangJieDu (JHJD), which is composed of Lonicerae Japonicae Flos , Scutellariae Radix, Pogostemonis Herba , Angelicae Dahuricae Radix , Taraxaci Herba , and Menthae Haplocalycis Herba . Methods The inhibitory effects of JHJD on SARS-CoV-2 spike RBD binding to ACE2 and pseudovirus infection were assessed in vitro . Network pharmacology analyses predicted JHJD’s active ingredients, target genes, and enriched pathways. Key targets were validated in vitro for their role in mitigating virus-induced inflammation. Results JHJD effectively blocked wildtype and Omicron RBD binding to ACE2 and inhibited pseudovirus infection. Network analyses identified 375 ingredients, 338 targets (primarily in lung, stomach and spleen), and 63 significant pathways related to viral infection/inflammation. Intersectional analysis suggested CCND1 and HIF1A as pivotal genes and in vitr o validation confirmed that JHJD targets HIF-1α to attenuate inflammation. Conclusion JHJD, a de novo designed TCM formula, effectively inhibits SARS-CoV-2 entry with superior efficacy against Omicron sub-variants. The formulation has a dual mode of action including disruption of the RBD–ACE2 interaction and alleviation of virus-induced inflammation by modulating HIF-1α. These dual mechanisms establish JHJD as a promising therapeutic candidate for COVID-19.
Ramezani et al., Effect of herbal compounds on inhibition of coronavirus; A systematic review and meta-analysis, Authorea, Inc., doi:10.22541/au.170668000.04030360/v1
The outbreak of the new coronavirus (COVID-19) has been transferred exponentially. There are many articles that have found the inhibitory effect of plant extracts or plant compounds on the coronavirus family. In this study, we want to use systematic review and meta-analysis to answer the question of which herbal compound can be more effective against the coronavirus. The present study is based on the guidelines for conducting meta-analyzes. An extensive search was conducted in the electronic database, and based on the inclusion and exclusion criteria, articles were selected and data screening was performed. Quality control of articles was performed. Data analysis was carried out in STATA software. The results showed that alkaloid compounds had a good effect in controlling the coronavirus and reducing viral titer. Trypthantrin, Sambucus extract, S. cusia extract, Boceprevir and Indigole B, dioica agglutinin urtica had a good effect on reducing the virus titer but their selectivity index has not been reported and it is recommended to determine for these compounds. Also among the compounds that had the greatest effect on virus inhibition, including Saikosaponins B2, SaikosaponinsD, SaikosaponinsA and Phillyrin, had an acceptable selectivity index greater than 10. Andrographolide showed the highest selectivity index on SARS-COV2, while virus titration and virus inhibition were not reported. The small number of studies that used alkaloid compounds was one of the limitations and it is suggested to investigate the effect of more alkaloid compounds against the coronavirus for verifying its effect.