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Ivermectin and COVID-19: Joe Rogan says he took unproven drug health officials warned against

There are a lot of questions, and arguments, about Ivermectin

Joe Rogan.

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Ivermectin, an anti-parasitic, was one of many drugs medical professionals reviewed for repurposing early on in the COVID-19 pandemic. Some doctors who gave ivermectin to infected patients saw seemingly positive effects. However, more studies show it has little to no effect when it comes to treating COVID-19. There’s also been an increase in calls to poison centers by people who are taking ivermectin intended for animals, and the drug has stayed in the headlines, with controversial podcaster Joe Rogan saying he used it after he tested positive for COVID.

On one side, there are some doctors who say ivermectin could help end the pandemic if used globally. On the other are public health officials who have reviewed the data and say the drug’s effectiveness against COVID-19 isn’t conclusive.

Here’s everything you need to know about ivermectin and its use for COVID-19. 

What is ivermectin?

Ivermectin is an anti-parasitic medicine “that works by altering cellular channels,” said Dr. Soumi Eachempati, CEO of Cleared4 and former professor of surgery and public health at Weill Cornell Medical College. The drug inhibits some viruses from infecting cells, thus preventing the virus from spreading. Ivermectin is usually given to treat parasitic infections like lice and Strongyloides, according to Eachempati. 

Scientists at pharmaceuticals giant Merck discovered ivermectin in 1975 and began to use it to treat scabies, river blindness and other parasitic diseases carried by worms and lice starting in 1981. It’s on the World Health Organization’s list of essential medicines for a basic health care system. More than 250 million people take the drug across the globe each year, and it’s effective for animals as well. The researcher who developed ivermectin received the Nobel Prize for their work in 2015

The drug is considered safe when taken in appropriate dosages. Side effects for the ivermectin vary depending on whether it’s taken orally to treat intestinal infections or topically for skin infections. Oral tablets can cause drowsiness, nausea, vomiting and, in very rare cases, an increase in heart rate and seizures. Side effects for the topical ivermectin can include skin rash and irritation, while dry skin and stinging pain are severe and rare.

Can ivermectin be used to cure COVID-19?

This is where things get complicated. Public health agencies, including the Federal Drug Administration, the National Institutes of Health and the World Health Organization, don’t suggest ivermectin’s use to treat COVID-19. They cite the lack of data from large, randomized trials confirming the drug’s effectiveness to treat the disease. 

Doctors who cited multiple smaller studies and firsthand experience say otherwise. They claim ivermectin does work to prevent people from developing symptoms from COVID-19 and can shorten recovery time for those already infected.  

What do health agencies say about ivermectin as a treatment for COVID-19?

The FDA said in March it hasn’t approved the use of ivermectin to treat COVID-19. It warned that large doses of the drug are “dangerous and can cause serious harm.” The agency also advised against human use of ivermectin produced for animals, such as cows and horses, as the doses aren’t the same and could contain ingredients intended only for animals. 

A growing number of people have been taking ivermectin for animals as word’s spread on social media about its possible use against COVID-19. This has resulted in some people calling state poison centers after taking the drug, since the medication is intended for animals. On Aug. 20, the Mississippi State Department of Health sent out an alert regarding the number of calls its poison center received, with 70% related to the “ingestion of livestock or animal formulations of ivermectin purchased at livestock supply centers.” 

In April, the FDA reaffirmed in a post on its website that ivermectin isn’t approved to treat COVID-19 nor has it been given emergency use authorization

The NIH said in February there was insufficient data to “recommend either for or against the use of ivermectin for the treatment of COVID-19.” It did say lab tests found the drug stopped the reproduction of the SARS-CoV-2 virus that cause the disease. However, to be effective, the dosages would need to be “100-fold higher than those approved for use in humans.” 

While some clinical studies showed ivermectin to have no benefit, the NIH said others saw a lower mortality rate among patients. However, those studies were incomplete or had methodological limitations such as small sample sizes or patients receiving additional medicine along with ivermectin, according to the NIH. 

The WHO said in March the current evidence on the use of ivermectin for treatment of COVID-19 was “inconclusive.” 

A doctor in Arkansas who prescribed the drug to patients is under investigation by the state medical board, according to a report from CNN. He reportedly gave ivermectin prescriptions to prisoners at the county jail where he was contracted to provide medical services. 

Who says ivermectin is a cure, and what information do they have? 

Ivermectin’s potential use as a COVID-19 therapeutic made headway last December during a Senate Homeland Security Committee meeting called Focus on Early Treatment of COVID-19. Dr. Pierre Kory, a pulmonary and critical care specialist, testified about the drug’s usage for treatment of the disease. 

“Ivermectin is highly safe, widely available, and low cost,” Kory said in the Senate meeting. “We now have data from over 20 well-designed clinical studies, 10 of them randomized, controlled trials, with every study consistently reporting large magnitude and statistically significant benefits in decreasing transmission rates, shortening recovery times, decreasing hospitalizations, or large reductions in deaths. These data show that ivermectin is effectively a ‘miracle drug’ against COVID-19.” 

During his testimony, Kory referred to a paper he authored — Review of the Emerging Evidence Demonstrating the Efficacy of Ivermectin in the Prophylaxis and Treatment of COVID-19 — that was published in the May edition of the American Journal of Therapeutics. 

The paper was also included in the Frontiers of Pharmacology journal in January but was then removed in March. Dr. Frederick Fenter, chief executive editor of the journal, said the paper was removed due to “strong, unsupported claims based on studies with insufficient statistical significance, and at times, without the use of control groups.” Fender also said the authors promoted their own specific ivermectin-based treatment, which goes against editorial policies. 

A study listed in Kory’s paper involved giving ivermectin to 234 uninfected health care workers in Argentina and found those who received the drug were far less likely to be diagnosed with COVID. For mildly ill patients, an Iraq study saw a quicker recovery time. In a small double-blind, randomized placebo-controlled trial in Israel with a group of 89 patients, those taking ivermectin saw lower viral loads than those who didn’t receive the drug. 

There are also studies that show otherwise. A clinical trial of 476 patients found ivermectin didn’t improve the recovery time in patients who had COVID-19. A review of 10 random clinical trials, with more than 1,000 participants, also didn’t find improvements with ivermectin. One Egyptian study claimed to show positive results, but it’s since been redacted over ethical concerns. Another study, of 1,500 patients, found that ivermectin had “no effect whatsoever.”

One thing to note is that many of these studies in both cases have yet to be peer reviewed. 

Merck, the company that discovered ivermectin, released a statement in February saying there was “no scientific basis for a potential therapeutic effect against COVID-19 from pre-clinical studies” and “no meaningful evidence for clinical activity or clinical efficacy in patients with COVID-19 disease.” It also cited a lack of safety data from major studies. 

Why is there controversy over ivermectin?

The debate about ivermectin’s usage to treat COVID-19 has gone from the hospital to social media, exacerbating the discourse as well as the vitriol. While those in support of the drug appear to want an end to the pandemic, their arguments in favor of ivermectin have become fodder for anti-vaxxers and conspiracy theorists. 

Groups that have spread misinformation about COVID-19 throughout the pandemic latched onto ivermectin’s usage following Kory’s Senate testimony. Anti-vax groups on Telegram share misinformation about the vaccine while asking where they can buy the drug. Rumble, an alternative video platform to YouTube, has pages of videos falsely saying vaccines are ineffective while advising people to also take ivermectin. 

Ivermectin box

One study on the effectiveness of ivermectin took place at the Center for Pediatric Infectious Diseases Studies, in Cali, Colombia.

Luis Robayo/AFP via Getty Images

Anti-vax posts and videos can also be found on YouTube, Facebook and Twitter, although the companies are attempting to take these posts down or make them harder to find. 

Kory was a guest on the Dark Horse Podcast hosted by Bret Weinstein, a former professor at Evergreen State College, on June 1 to talk about ivermectin. That video was eventually demonetized on YouTube and Weinstein’s channel received a strike, which prevented him from posting content for one week and could lead to its removal if he receives two more strikes within 90 days. 

YouTube says its actions on Weinstein’s videos were part of its policies. 

“While we welcome open discussions of potential treatments and clinical trials related to COVID-19 on YouTube, based on guidance from the CDC, FDA and other local health authorities, we don’t currently allow content that recommends ivermectin as an effective treatment or prevention method for the virus,” said Ivy Choi, a YouTube spokesperson. “We craft our policies to prevent the risk of egregious real-world harm, and update them as official guidance evolves. We do allow exceptions to our policy about ivermectin, including content that also gives viewers the full context of the FDA’s current position.”

Because of YouTube’s decision, the controversy over ivermectin grew and became tied to what some claim to be “big tech censorship.” 

Joe Rogan, the comedian and UFC commentator, said Wednesday on Instagram that he tested positive for COVID-19 and threw “all kinds of meds” at the situation, including ivermectin. Rogan has been criticized in the past for spreading COVID-19 misinformation.

What is required for ivermectin to get approved for COVID-19 treatment? 

For the public health agencies, it’s going to come down to the results of large clinical studies being conducted around the world. 

“In the UK, it was announced that ivermectin will be added to the Principle Trial, a large clinical study designed to assess potential COVID therapies for non-hospitalized therapies for patients at higher risk for severe disease,” said Dr. David Shafran, head of pediatrics at telehealth app K Health. “This should demonstrate more definitively the efficacy of ivermectin in early-stage COVID infections. Fingers crossed because it’s a cheap medication with a good safety profile. It would be great to add this to the armament of medication to fight COVID.”

The Oxford University Principle Trial has more than 5,000 participants and will give a three-day course of oral ivermectin treatment to individuals randomly and compare their results to individuals who will receive standard care. 

In the US, the NIH is evaluating therapeutics for COVID-19 with its Accelerating COVID-19 Therapeutic Interventions and Vaccines (ACTIV) master protocol. ivermectin was added in phase three of ACTIV-6, which will test the effectiveness of repurposed drugs. 

“The ACTIV prioritization group, trial team and trial oversight groups continuously track new data on any agent we are studying in our trials and evaluate that data for how it might influence our testing of that agent and the safety/well being of the participants in the trial,” said Dr. Sarah Dunsmore, a program director at the National Center for Advancing Translational Sciences that is part of the NIH. 

What’s unclear is how long the whole process will take. The studies need time to be completed, and then the agencies will require additional time to come up with decisions based on the data. 

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