MDMA therapies hit a roadblock – what’s next?

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MDMA therapies hit a roadblock – what’s next?

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Will psychedelic drugs like MDMA ever be approved for therapeutic uses?

South Agency/Getty Images

Roughly one year ago, thousands of people gathered in Denver, Colorado, for the largest psychedelic conference in history. The mood was electric, with most attendees confident that the US Food and ***** Administration (FDA) was on the verge of approving its first psychedelic *****.

But last week, the FDA dealt a devastating ***** to supporters of psychedelic therapies. It rejected the hallucinogen MDMA as a treatment for post-traumatic stress disorder (PTSD), citing concerns about safety and the validity of clinical trial results. The decision is a pivotal moment for psychedelic science and raises questions about what – if any – future these drugs have in medicine.

The California-based company Lykos Therapeutics has published

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trials showing that MDMA, along with talk therapy, significantly improved symptoms of PTSD. The trials, which involved almost 200 adults with moderate-to-severe PTSD, found that between 33 and 46 per cent of those treated with three doses of MDMA were in remission from the condition two months later. The same was true for less than a quarter of the trial participants who had received only talk therapy.

At face value, these results are remarkable. Only two medications have been approved for treating PTSD in the US, both of which lead to remission in just 20 to 30 per cent of cases. But an

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expressed doubts about the studies at a meeting in June, ultimately voting 9 to 2 that the research had not proved MDMA’s efficacy.

One of the committee’s chief concerns was the lack of blinding, a technique that prevents participants from knowing which treatment group they are in. Approximately 90 per cent of participants receiving MDMA and 75 per cent of those given a placebo were able to accurately guess which treatment they received. This means the placebo effect could have led those in the MDMA group to expect, and thus report, an improvement in symptoms.

Another concern was the lack of details about the potential risks of MDMA. Lykos Therapeutics submitted incomplete information about the *****’s effects on the heart and also ******* to collect data on its risk of ******.

While all of these issues probably contributed to the FDA’s rejection of the *****, they don’t spell the end of psychedelic research. For one, the FDA has asked Lykos Therapeutics to conduct another phase III trial of MDMA-assisted therapy, suggesting the agency is still open to such treatments. Researchers can also learn from this decision.

“Creating rigorous, replicable science is extremely important, and psychedelics are no exception,” says

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at Johns Hopkins University in Maryland. “If the advisory committee had better reasons to trust the data, we may have looked at a very different result.”

In the meantime, Lykos Therapeutics is asking the FDA to reconsider its decision. “The FDA’s request for another study is deeply disappointing,” Amy Emerson at Lykos Therapeutic said in a

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, noting the new research will take several years to complete. She also said that the company maintains that many of the FDA’s concerns could be addressed with existing data.

Topics:

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#MDMA #therapies #hit #roadblock #whats

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