Elon Musk’s Neuralink Testing In Humans Rejected By FDA

On at least four occasions since 2019, Elon Musk has predicted that his medical device company, Neuralink, would soon start human trials of a revolutionary brain implant to treat intractable conditions such as paralysis and blindness.

Yet the company, founded in 2016, didn’t seek permission from the U.S. Food and Drug Administration (FDA) until early 2022 – and the agency rejected the application, seven current and former employees told Reuters.

The rejection has not been previously reported. In explaining the decision to Neuralink, the agency outlined dozens of issues the company must address before human testing, a critical milestone on the path to final product approval, the staffers said. The agency’s major safety concerns involved the device’s lithium battery; the potential for the implant’s tiny wires to migrate to other areas of the brain; and questions over whether and how the device can be removed without damaging brain tissue, the employees said.

A year after the rejection, Neuralink is still working through the agency’s concerns. Three staffers said they were skeptical the company could quickly resolve the issues – despite Musk’s latest prediction at a Nov. 30 presentation that the company would secure FDA human-trial approval this spring.

Neuralink has not disclosed details of its trial application, the FDA’s rejection or the extent of the agency’s concerns. As a private company, it is not required to disclose such regulatory interactions to investors. During the hours-long November presentation, Musk said the company had submitted “most of our paperwork” to the agency, without specifying any formal application, and Neuralink officials acknowledged the FDA had asked safety questions in what they characterized as an ongoing conversation.

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Musk and other Neuralink officials did not respond to requests for comment on the company’s device or its dealings with the FDA. The agency declined to comment on Neuralink, citing laws keeping commercial information private.

The Neuralink sources declined to provide Reuters with the agency’s written rejection, a legally confidential document. The staffers, including four who had read the FDA document and others aware of the agency’s concerns, described the safety issues in interviews, speaking on condition of anonymity.

Such FDA rejections do not mean a company will ultimately fail to gain the agency’s human-testing approval. But the agency’s pushback signals substantial concerns, according to more than a dozen experts in FDA device-approval processes.

“Neuralink doesn’t appear to have the mindset and experience that’s needed to get this to market anytime soon.”

Kip Ludwig, Former Program Director For Neural Engineering At The U.S. National Institutes Of Health (NIH)

The rejection also raises the stakes and the difficulty of the company’s subsequent requests for trial approval, the experts said. The FDA says it has approved about two-thirds of all human-trial applications for devices on the first attempt over the past three years. That total rose to 85% of all requests after a second review. But firms often give up after three attempts to resolve FDA concerns rather than invest more time and money in expensive research, several of the experts said.

Companies that do secure human-testing approval typically conduct at least two rounds of trials before applying for FDA approval to commercially market a device.

Neuralink’s regulatory struggles stem largely from its culture of setting goals for breakthroughs on extremely ambitious timelines and viewing regulators as obstacles to innovation, according to more than a dozen current and former company employees. That leadership style, mirroring how Musk runs electric-car pioneer Tesla, can create vulnerabilities when applied to developing a medical device that must be tested on human subjects before final approval, the staffers say.

Still, Musk retains the full confidence of many loyal Neuralink staffers and some industry investors, who point to his past successes in taking on extreme challenges as the founder of Tesla and rocket-builder SpaceX.

“I definitely would never bet against him,” said Bob Nelsen, co-founder of venture capital firm ARCH Venture Partners, who said he invested personal money into Neuralink. “If he has some bumps in the road with Neuralink, or any other thing, he’ll regroup and figure it out … Just think about it: Those are hard industries with huge safety barriers – cars and rockets.”

In public comments over the years, Musk has detailed a bold vision for Neuralink: Both disabled and healthy people will pop into neighborhood facilities for speedy surgical insertions of devices with functions ranging from curing obesity, autism, depression or schizophrenia to web-surfing and telepathy. Eventually, Musk has said, such chips will turn humans into cyborgs who can fend off the threat from sentient machines powered by artificial intelligence.

“I could have a Neuralink device implanted right now, and you wouldn’t even know,” Musk said at the Nov. 30 presentation, a livestreamed “show and tell” event, drawing laughs from the crowd. At another public company event in 2020, he said: “You’ll be able to save and replay memories…. The future is going to be weird.”

Such high-flying ambition has contributed to Neuralink’s estimated worth of more than $1 billion, far higher than its competitors, according to four people familiar with the private valuation.

Neuralink officials have publicly vowed to address any FDA concerns. Musk made headlines late last year when he said he was already so confident in the devices’ safety that he would be willing to implant them in his own children.

Musk also has said Neuralink would restore full mobility to paralyzed patients. In February, however, Dongjin “D.J.” Seo, Neuralink’s vice president of engineering, said at a conference that the “primary short-term goal” was more modest: to help paralyzed patients communicate through computerized text without typing. Seo said full mobility, along with restoring sight to the blind, were “long-term” goals.

Musk’s public claims and well-known impatience pose a critical test for the FDA in balancing demands for speedy review with the diligence required to ensure safety and efficacy, said Kip Ludwig, former program director for neural engineering at the U.S. National Institutes of Health (NIH), a federal agency. The FDA in recent years has faced pressure from Congress to accelerate reviews but also criticism over controversial approvals, such as its 2021 authorization of an Alzheimer’s treatment without conclusive proof of efficacy.

Industry players closely watching Neuralink’s development have long expected a collision between Musk and the FDA, Ludwig said, as the billionaire pushes Neuralink to quickly navigate regulatory reviews.

“Everybody in the industry was saying: ‘Oh my God, they’re going to run straight into a brick wall,’” Ludwig said of Musk’s bid for FDA approval. “Neuralink doesn’t appear to have the mindset and experience that’s needed to get this to market anytime soon.”

Without commenting on Neuralink, the FDA said it upholds high standards in vetting all brain implants even as it aims to speed reviews. “Innovation and safety are not an either-or scenario,” said Owen Faris, who helps oversee the FDA’s Office of Product Evaluation and Quality.

A company document from last fall said Neuralink expected the FDA to authorize human trials for its brain implant by March 7, 2023. But three Neuralink sources with knowledge of the company’s FDA interactions said they are not confident of any imminent regulatory approvals and that any prediction on the timing is a “gamble,” as one of the sources put it.

Neuralink’s focus on speed has contributed to other problems. Reuters exclusively reported late last year that the federal government was investigating the company’s treatment of its research animals. The probe was launched amid growing employee concern that the company is rushing experiments, causing additional suffering and deaths of pigs, sheep and monkeys. Three Neuralink staffers now tell Reuters that company leaders wanted animal experiments accelerated to gather data to address FDA concerns over the human-trial application.

Reuters also broke the news that the Department of Transportation is separately investigating whether Neuralink illegally transported dangerous pathogens, on chips removed from monkey brains, without proper containment measures.

The Department of Transportation said its investigation is ongoing. The U.S. Department of Agriculture’s Office of Inspector General, which is conducting the animal-treatment probe, declined to comment.

The overall number of animals killed does not necessarily mean that Neuralink is doing its study in violation of laws or best practices. Nevertheless, Elon Musk faces a federal probe over the Neuralink monkey tests.

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2 COMMENTS

  1. “If” those mRNA vaccinated are now GMO products to the vaccine makers of choice, according to a US Supreme Court Ruling in 2013 which said that naturally occurring Genes cannot be patented, but lab made mRNA, after injection, if the synthetic mRNA changes the human genome, can be patented, as the synthetic mRNA vaccines appear to do – then all of those who survive their vaccine shots could be “modified” by US DOD and DARPA initiatives, bearing in mind that all synthetic mRNA vaccines have been purchased under contract from Pfizer, Moderna etc by the US DOD and DARPA, which is a “military incentive”, I would have thought and not a “medical incentive”, as one might have expected.
    So it will be interesting to see what the new mRNA vaccines factories being built, are actually for, won’t it – are they “actually” for the creation of “new” mRNA vaccines untried and untested in any animals, for direct injection into humans who volunteer for them, as has happened so far, or for a much darker and unspecified reason, one has to wonder?
    I thought it interesting that the Chinese were recently reported as experimenting with genetic ways to produce a new “Super Soldier” – they would not be doing that, unless they had feedback that the US and other Western Countries were doing similar research, don’t you think?

  2. With all the bullshit surrounding the lack of testing for the covid “vaccines” Neurolink is being discriminated against. Most likely because of all the hatred towards Twitter increasing free speech.

    Retribution.

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