Zie op deze website alle gerandomiseerde studies en meta-analyses die tot nu toe d.d. augustus 2023 zijn gepubliceerd over ivermectine bij  coronavirus - COVID-19.

24 augustus 2023: Bron: Cureus 8 augustus 2023 en artsencollectief

Uit een Peruaanse studie naar het effect van ivermectine op risico van overlijden aan de symptomen van het coronavirus - COVID-19  blijkt na analyse en vergelijking dat de kans op overlijden aan het coronavirus met 74 procent verminderde na 1 maand en 85 procent na 45 dagen in die staten waar ivermectine werd toegestaan en gebruikt door verstrekking van ivermectine aan de mensen die dit wilden. 

Uit het studieverslag een grafiek die dit duidelijk maakt aan de hand van overlijden aan alle oorzaken in 25 verschillende staten in Peru:

Excess-all-cause-deaths,-for-the-national-population-of-Peru-and-by-state,-overview

Figure 2: Excess all-cause deaths, for the national population of Peru and by state, overview

A) Excess all-cause deaths (all ages), national population of Peru. For A and B, the y values are seven-day moving averages; for B and C, ages ≥60. Data are from Peru’s National Information System of Deaths (SINADEF) , with associated frozen datasets available from the Dryad data repository . B) Reductions in excess deaths for all states of Mega-Operación Tayta (MOT), a program of mass ivermectin (IVM) distributions, excluding Pasco, which had them on three different dates. ● MOT start date; ▲ date of peak deaths; ■ 30 days after date of peak deaths. (Junin had a distribution of IVM 13 days before the MOT start.) C) Reductions in excess deaths at 30 days after peak deaths for the 25 states, by extent of IVM distributions: maximal-MOT (+), mean ‑74%; moderate-local distributions (◯), mean -53%; and minimal-Lima (x), -25%.

In het studieverslag dat gratis is in te zien, abstract staat verderop in dit artikel, staan meer grafieken en gedetailleerd beschreven hoe de studie is uitgevoed en hoe de onderzoekers tot de conclusies kwamen. 

De studie werd al 2 jaar geleden aangeboden ter publicatie maar is nu pas geaccepteerd. Het artsencollectief schrijft daar een artikel over. Eerst het artikel op de website van het artsencollectief, daaronder de originele studie zoals gepubliceer in Cureus:

Hoe het mogelijk was dat ivermectine, een van de veiligste en effectiefste medicijnen ter wereld voor mensen, in 2021 veranderde tot een gevaarlijke horse dewormer is voer voor de geschiedkundigen van deze en volgende generaties.

Gelukkig lijkt het tij te keren.

In de eerste plaats heeft een vertegenwoordiger van de FDA, de Amerikaanse medicijnwaakhond, voor de rechtbank toegegeven dat artsen ivermectine mogen voorschrijven tegen Covid-19.

De beruchte tweet van de FDA “You are not a horse. You are not a cow. Seriously, y’all. Stop it.” was een “quirp”, een kwinkslag.

Dit betekent overigens niet dat de FDA ivermectine aanbeveelt voor Covid-19.

In de tweede plaats is, twee jaar na indiening, eindelijk de Peruaanse studie gepubliceerd die sterke aanwijzingen biedt voor de effectiviteit van ivermectine tegen Covid-19.

De studie beschrijft een “natuurlijk experiment” dat toevallig tot stand kwam in 2020, waarbij in Peru als voorzorgsmaatregel tegen het destijds nieuwe virus in verschillende provincies vanaf verschillende tijden ivermectine werd gegeven. Later werd dit in het hele land verboden. De auteurs correleren dit goed gedocumenteerde gebruik van ivermectine met gedetailleerde sterftecijfers per tijdsperiode per gebied.

Deze analyses maken een gefundeerde correlatie mogelijk van trends voor extra sterfgevallen met de mate van ivermectinegebruik. De auteurs vonden dat het aantal sterfgevallen significant sterker daalde in gebieden en op tijden dat ivermectine werd gebruikt. De kans dat deze relatie op toeval berustte, werd berekend op 1 op 500 tot 1 op 1.000.

De reductie in sterfgevallen die associeerde met ivermectinegebruik werd geschat op 74%.

Naast dit “natuurlijke experiment” beargumenteren de auteurs waarom de aanwijzingen voor werkzaamheid van ivermectine als profylaxe tegen het Sars-Cov-2-virus zeer sterk zijn op basis van vijf verschillende studies. Een real time meta-analyse van ivermectinestudies laat gemiddeld een 85%-verbetering zien in de uitkomst van Covid-19 bij profylactisch gebruik van ivermectine en een 62%-verbetering bij vroegbehandeling.

Referentie

  1. Chamie J J, Hibberd J A, Scheim D E (August 08, 2023) COVID-19 Excess Deaths in Peru’s 25 States in 2020: Nationwide Trends, Confounding Factors, and Correlations With the Extent of Ivermectin Treatment by State. Cureus 15(8): e43168. doi:10.7759/cureus.43168

Juan J. Chamie • Jennifer A. Hibberd • David E. Scheim

Published: August 08, 2023

DOI: 10.7759/cureus.43168 

Peer-Reviewed

Cite this article as: Chamie J J, Hibberd J A, Scheim D E (August 08, 2023) COVID-19 Excess Deaths in Peru’s 25 States in 2020: Nationwide Trends, Confounding Factors, and Correlations With the Extent of Ivermectin Treatment by State. Cureus 15(8): e43168. doi:10.7759/cureus.43168

Abstract

Introduction

In 2020, nations hastened to contain an emerging COVID-19 pandemic by deploying diverse public health approaches, but conclusive appraisals of the efficacy of these approaches are elusive in most cases. One of the medicines deployed, ivermectin (IVM), a macrocyclic lactone having biochemical activity against SARS-CoV-2 through competitive binding to its spike protein, has yielded mixed results in randomized clinical trials (RCTs) for COVID-19 treatments. In Peru, an opportunity to track the efficacy of IVM with a close consideration of confounding factors was provided through data for excess deaths as correlated with IVM use in 2020, under semi-autonomous policies in its 25 states.

Methods

To evaluate possible IVM treatment effects, excess deaths as determined from Peruvian national health data were analyzed by state for ages ≥60 in Peru’s 25 states. These data were compared with monthly summary data for excess deaths in Peru for the period 2020-2021 as published by the WHO in 2022. To identify potential confounding factors, Google mobility data, population densities, SARS-CoV-2 genetic variations, and seropositivity rates were also examined.

Results

Reductions in excess deaths over a period of 30 days after peak deaths averaged 74% in the 10 states with the most intensive IVM use. As determined across all 25 states, these reductions in excess deaths correlated closely with the extent of IVM use (p<0.002). During four months of IVM use in 2020, before a new president of Peru restricted its use, there was a 14-fold reduction in nationwide excess deaths and then a 13-fold increase in the two months following the restriction of IVM use. Notably, these trends in nationwide excess deaths align with WHO summary data for the same period in Peru.

Conclusions

The natural experiment that was put into motion with the authorization of IVM use for COVID-19 in Peru in May 2020, as analyzed using data on excess deaths by locality and by state from Peruvian national health sources, resulted in strong evidence for the drug's effectiveness. Several potential confounding factors, including effects of a social isolation mandate imposed in May 2020, variations in the genetic makeup of the SARS-CoV-2 virus, and differences in seropositivity rates and population densities across the 25 states, were considered but did not appear to have significantly influenced these outcomes.

Conclusions

The natural experiment that was put into motion with the authorization of IVM use for COVID-19 in Peru on May 8, 2020, resulted in strong evidence for the drug's effectiveness. Across the 25 states of Peru, there was a significant correlation between the extent of IVM distributions and reductions in excess deaths over 30 days (p<0.002). The 10 states involved in operation MOT, having the greatest extent of IVM distributions, saw a mean reduction in excess deaths of 74% at 30 days after peak deaths. Several potential confounding factors, including effects of a social isolation mandate imposed in May 2020, variations in the genetic makeup of the SARS-CoV-2 virus, and differences in seropositivity rates and population densities across the 25 states, were considered but did not appear to have significantly influenced these outcomes.

These encouraging results from IVM treatments in Peru and similar positive indications from Uttar Pradesh, India, which have populations of 33 million and 229 million, respectively, offer promising models for further mass deployments of IVM, as needs may arise, for both the treatment and prevention of COVID-19. IVM's proposed mechanism of action against SARS-CoV-2, which entails drug binding to the virus' spike protein, limiting the virus’ morbidity and infectivity, may allow the efficacy of IVM to be conserved against viral mutant strains that may emerge. Further investigations will help to establish the generalizability of these findings, for example, to therapeutic applications to post-acute sequelae of COVID-19 (PASC), and to explore the potential use of IVM for the treatment and prevention of COVID-19 as the pandemic continues to evolve.

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