WHO advises that ivermectin only be used to treat COVID-19 within clinical trials – World Health Organization

The current evidence on the use of ivermectin to treat COVID-19 patients is inconclusive. Until more data is available, WHO recommends that the drug only be used within clinical trials.

This recommendation, which applies to patients with COVID-19 of any disease severity, is now part of WHOs guidelines on COVID-19 treatments.

Ivermectin is a broad spectrum anti-parasitic agent, included in WHO essential medicines list for several parasitic diseases. It is used in the treatment of onchocerciasis (river blindness), strongyloidiasis and other diseases caused by soil transmitted helminthiasis. It is also used to treat scabies.

A guideline development group was convened in response to the increased international attention on ivermectin as a potential treatment for COVID-19. This group is an independent, international panel of experts, which includes clinical care experts in multiple specialties and also include an ethicist and patient-partners.

The group reviewed pooled data from 16 randomized controlled trials (total enrolled 2407), including both inpatients and outpatients with COVID-19. They determined that the evidence on whether ivermectin reduces mortality, need for mechanical ventilation, need for hospital admission and time to clinical improvement in COVID-19 patients is of very low certainty, due to the small sizes and methodological limitations of available trial data, including small number of events.

The panel did not look at the use of ivermectin to prevent COVID-19, which is outside of scope of the current guidelines.

Note to the editor:

Previous recommendations on the use of therapeutics for COVID-19:

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WHO advises that ivermectin only be used to treat COVID-19 within clinical trials - World Health Organization