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PQM-249 for COVID-19

PQM-249 has been reported as potentially beneficial for COVID-19 in the following studies. We have not reviewed PQM-249 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.
Franco et al., Novel Multifunctional Cannabidiol-Based Analogues with In Silico, In Vitro, and In Vivo Anti-SARS-CoV-2 Effect, Pharmaceuticals, doi:10.3390/ph18101565
Background/Objectives: COVID-19 was responsible for millions of deaths worldwide. This study aimed to identify substances with in vitro and in vivo effects against the SARS-CoV-2 virus. Methods: Compounds PQM-243 and PQM-249, two terpene-N-acyl-aryl-hydrazone analogues, were evaluated in vitro against SARS-CoV-2 to a antiviral activity and inhibitory effect against angiotensin converting enzyme 2 (ACE2). A possible inhibitory effect affecting the interaction between the receptor-binding domain (RBD) protein and/or ACE2 was evaluated using LUMMIT kit. A SARS-CoV-2-induced pulmonary pneumonia model was developed to evaluate the effects of the compounds after 3 days of treatment. Results: Compounds PQM-243 and PQM-249 exhibited IC50 values of 0.0648 ± 0.041 µM and 0.2860 ± 0.057 µM against SARS-CoV-2 with a selective index of >1543.21 and 349.65, respectively, and IC50 values of 12.1 nM and 13.3 nM, respectively, against ACE2. All concentrations used significantly reduced interactions between ACE2 and RBD. Computational studies suggest that these new compounds are potent direct anti-SARS-CoV-2 agents, capable of reducing both virus viability and its invasive ability in the host cells by reducing the interaction between RBD and ACE2. It was also demonstrated that even when administered by the oral route, both compounds reduced SARS-CoV-2-induced lung inflammation. Our data suggests that both compounds can act as potent direct anti-SARS-CoV-2 agents, reducing both viral viability and host cell entry. In addition, they exhibited a significant multi-target-directed pharmacological profile, also reducing SARS-CoV-2-induced lung inflammation when administered orally. Conclusions: Overall, these findings support further investigation of PQM-243 and PQM-249 as promising antiviral and anti-inflammatory multi-target prototypes for the development of innovative drug candidates targeting SARS-CoV-2 and other virus-related respiratory diseases.
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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