Crying wolf in time of Corona: the strange case of ivermectin and hydroxychloroquine. Is the fear of failure withholding potential life-saving treatment from clinical use?

Nardelli et al., Signa Vitae, doi:10.22514/sv.2021.043

Mar 2021

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Meta analysis of RCT mortality results showing RR 0.19, p < 0.00001.

7 meta analyses show significant improvements with ivermectin for mortality Bryant, Hariyanto, Kory, Lawrie, Nardelli, Zein, hospitalization Schwartz, recovery Kory, and cases Kory.

Currently there are 99 ivermectin for COVID-19 studies, showing 49% lower mortality [35‑60%], 29% lower ventilation [13‑42%], 38% lower ICU admission [14‑56%], 34% lower hospitalization [20‑45%], and 81% fewer cases [71‑87%].

1. Bryant et al., Ivermectin for Prevention and Treatment of COVID-19 Infection: A Systematic Review, Meta-analysis, and Trial Sequential Analysis to Inform Clinical Guidelines, American Journal of Therapeutics, doi:10.1097/MJT.0000000000001402.lww.com, doi.org.

2. Hariyanto et al., Ivermectin and outcomes from Covid-19 pneumonia: A systematic review and meta-analysis of randomized clinical trial studies, Reviews In Medical Virology, doi:10.1002/rmv.2265.wiley.com, doi.org.

3. Kory et al., Review of the Emerging Evidence Demonstrating the Efficacy of Ivermectin in the Prophylaxis and Treatment of COVID-19, American Journal of Therapeutics, doi:10.1097/MJT.0000000000001377.lww.com, doi.org.

4. Lawrie et al., Ivermectin reduces the risk of death from COVID-19 – a rapid review and meta-analysis in support of the recommendation of the Front Line COVID-19 Critical Care Alliance, Preprint, b3d2650e-e929-4448-a527-4eeb59304c7f.filesusr.com/ugd/593c4f_8cb655bd21b1448ba6cf1f4c59f0d73d.pdf.filesusr.com.

5. Nardelli et al., Crying wolf in time of Corona: the strange case of ivermectin and hydroxychloroquine. Is the fear of failure withholding potential life-saving treatment from clinical use?, Signa Vitae, doi:10.22514/sv.2021.043.signavitae.com, doi.org.

6. Schwartz, E., Does ivermectin have a place in the treatment of mild Covid-19?, New Microbes and New Infections, doi:10.1016/j.nmni.2022.100989.sciencedirect.com, doi.org.

7. Zein et al., Ivermectin and mortality in patients with COVID-19: A systematic review, meta-analysis, and meta-regression of randomized controlled trials, Diabetes & Metabolic Syndrome: Clinical Research & Reviews, doi:10.1016/j.dsx.2021.102186.sciencedirect.com, doi.org.

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risk of death, 79.5% lower, RR 0.21, p < 0.001, treatment 14 of 703 (2.0%), control 57 of 620 (9.2%), NNT 14, odds ratio converted to relative risk.

Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates

Nardelli et al., 11 Mar 2021, peer-reviewed, 8 authors.

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