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WEHI-P4 for COVID-19

WEHI-P4 has been reported as potentially beneficial for COVID-19 in the following study. We have not reviewed WEHI-P4 in detail.
COVID-19 involves the interplay of 300+ viral and host proteins and factors providing many therapeutic targets. Scientists have proposed 10,000+ potential treatments. c19early.org analyzes 170+ treatments.
Wu et al., Divergent resistance pathways amongst SARS-CoV-2 PLpro inhibitors highlight the need for scaffold diversity, PLOS Pathogens, doi:10.1371/journal.ppat.1013468
Drug-escape, where a target evolves to escape inhibition from a drug, has the potential to lead to cross-resistance where drugs that are structurally related or share similar binding mechanisms all become less effective. PLpro inhibitors are currently under development and many emerging PLpro inhibitors are derived from GRL0617, a repurposed SARS-CoV PLpro inhibitor with moderate activity against SARS-CoV-2. Two leading derivatives, PF-07957472 and Jun12682, demonstrate low nanomolar activity and display activity in mice. WEHI-P8 is structurally distinct but binds to a similar pocket adjacent to the active site as GRL0617-like compounds. Using deep mutational scanning, we assessed the potential for PLpro to develop resistance to PF-07957472, Jun12682, and WEHI-P8. PF-07957472 and Jun12682 exhibited largely overlapping escape mutations due to their shared scaffold and binding modes, whereas WEHI-P8 resistance mutations were distinct. These findings underscore the importance of developing structurally diverse inhibitors to minimize resistance risks and ensure that viral mutations against one compound do not compromise the efficacy of others.
Please send us corrections, updates, or comments. c19early involves the extraction of 200,000+ datapoints from thousands of papers. Community updates help ensure high accuracy. Treatments and other interventions are complementary. All practical, effective, and safe means should be used based on risk/benefit analysis. No treatment or intervention is 100% available and effective for all current and future variants. We do not provide medical advice. Before taking any medication, consult a qualified physician who can provide personalized advice and details of risks and benefits based on your medical history and situation. IMA and WCH provide treatment protocols.
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