The association between the use of ivermectin and mortality in patients with COVID-19: a meta-analysis

Chia Siang Kow, Hamid A. Merchant, Zia Ul Mustafa, Syed Shahzad Hasan

Research output: Contribution to journalArticlepeer-review

Abstract

Objective: The effect of ivermectin on mortality in patients with novel coronavirus disease 2019 (COVID-19) has been investigated in many studies. We aimed to perform a meta-analysis of randomized controlled trials to investigate the overall effect of ivermectin on the risk of mortality in patients with COVID-19.
Methods: We systematically searched PubMed, Cochrane Central Register of Controlled Trials, Google Scholar, and preprint repository databases (up to February 28, 2021). Random-effects and inverse variance heterogeneity meta-analysis were used to pool the odds ratio of individual trials. The risk of bias was appraised using Version 2 of the Cochrane risk-of-bias tool for randomized trials.
Results: Six randomized controlled trials were included in this analysis with a total of 658 patients who were randomized to receive ivermectin and 597 patients randomized in the control group who did not receive ivermectin. Of six trials, four had an overall high risk of bias. The estimated effect of ivermectin indicated mortality benefits (pooled odds ratio = 0.21; 95% confidence interval 0.11-0.42, n = 1255), with some evidence against the hypothesis of 'no significant difference' at the current sample size.
Conclusion: We observed a preliminary beneficial effect on mortality associated with ivermectin use in patients with COVID-19 that warrants further clinical evidence in appropriately designed large-scale randomized controlled trials.
Original languageEnglish
Number of pages7
JournalPharmacological Reports
Early online date29 Mar 2021
DOIs
Publication statusE-pub ahead of print - 29 Mar 2021

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