Two Indian drugmakers to end trials of generic Merck pill for moderate COVID-19

Reuters

Oct 2021

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Trial CTRI/2021/05/033864 for moderate condition patients has been reported as terminated for futility. Results are not available yet1.

Potential risks of molnupiravir include the creation of dangerous variants, and mutagenicity, carcinogenicity, teratogenicity, and embryotoxicity2-11. Multiple analyses have identified variants potentially created by molnupiravir12-16.

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1. trialsearch.who.int, trialsearch.who.int/Trial2.aspx?TrialID=CTRI/2021/08/035424.trialsearch.who.int/Trial2.aspx?TrialID=CTRI/2021/08/035424.

2. Swanstrom et al., Lethal mutagenesis as an antiviral strategy, Science, doi:10.1126/science.abn0048.science.org, doi.org.

3. Hadj Hassine et al., Lethal Mutagenesis of RNA Viruses and Approved Drugs with Antiviral Mutagenic Activity, Viruses, doi:10.3390/v14040841.mdpi.com, doi.org.

4. Waters et al., Human genetic risk of treatment with antiviral nucleoside analog drugs that induce lethal mutagenesis: the special case of molnupiravir, Environmental and Molecular Mutagenesis, doi:10.1002/em.22471.wiley.com, doi.org.

5. Huntsman, M., An assessment of the reproductive toxicity of the anti-COVID-19 drug molnupiravir using stem cell-based embryo models, Master's Thesis, scholarspace.manoa.hawaii.edu/items/cd11342c-b4dc-44c0-8b44-ce6e3369c40b.hawaii.edu.

6. Zibat et al., N4-hydroxycytidine, the active compound of Molnupiravir, promotes SARS-CoV-2 mutagenesis and escape from a neutralizing nanobody, iScience, doi:10.1016/j.isci.2023.107786.sciencedirect.com, doi.org.

7. Shiraki et al., Convenient screening of the reproductive toxicity of favipiravir and antiviral drugs in Caenorhabditis elegans, Heliyon, doi:10.1016/j.heliyon.2024.e35331.sciencedirect.com, doi.org.

8. Gruber et al., Molnupiravir increases SARS‐CoV‐2 genome diversity and complexity: A case‐control cohort study, Journal of Medical Virology, doi:10.1002/jmv.29642.wiley.com, doi.org.

9. Marikawa et al., An active metabolite of the anti-COVID-19 drug molnupiravir impairs mouse preimplantation embryos at clinically relevant concentrations, Reproductive Toxicology, doi:10.1016/j.reprotox.2023.108475.sciencedirect.com, doi.org.

10. Zhou et al., β-D-N4-hydroxycytidine Inhibits SARS-CoV-2 Through Lethal Mutagenesis But Is Also Mutagenic To Mammalian Cells, The Journal of Infectious Diseases, doi:10.1093/infdis/jiab247.oup.com, doi.org.

11. Chamod et al., Molnupiravir Metabolite--N4-hydroxycytidine Causes Cytotoxicity and DNA Damage in Mammalian Cells in vitro: N4-hydroxycytidine Induced Cytotoxicity DNA Damage, Asian Medical Journal and Alternative Medicine, 23:3, asianmedjam.com/index.php/amjam/article/view/1448.asianmedjam.com.

12. Focosi et al., The fitness of molnupiravir-signed SARS-CoV-2 variants: imputation analysis based on prescription counts and GISAID analyses by country, Intervirology, doi:10.1159/000540282.karger.com, doi.org.

13. Sanderson et al., A molnupiravir-associated mutational signature in global SARS-CoV-2 genomes, Nature, doi:10.1038/s41586-023-06649-6.nature.com, doi.org.

14. Fountain-Jones et al., Effect of molnupiravir on SARS-CoV-2 evolution in immunocompromised patients: a retrospective observational study, The Lancet Microbe, doi:10.1016/S2666-5247(23)00393-2.sciencedirect.com, doi.org.

15. Kosakovsky Pond et al., Anti-COVID drug accelerates viral evolution, Nature, doi:10.1038/d41586-023-03248-3.nature.com, doi.org.

16. twitter.com, twitter.com/LongDesertTrain/status/1597353291868155906.twitter.com/LongDesertTrain/status/1597353291868155906.

Reuters et al., 9 Oct 2021, Randomized Controlled Trial, India, preprint, 1 author.

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