MDMA decision from FDA disappoints drugmaker Lykos Therapeutics : Shots
![MDMA decision from FDA disappoints drugmaker Lykos Therapeutics : Shots MDMA decision from FDA disappoints drugmaker Lykos Therapeutics : Shots](https://npr.brightspotcdn.com/dims3/default/strip/false/crop/1024x576+0+46/resize/1400/quality/100/format/jpeg/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2Fa5%2F27%2F67b0b2454ad6b77e5b96bbcda8dd%2Fgettyimages-1084492068.jpg)
A dose of MDMA. The drug has been studied as a treatment for PTSD and FDA has declined to approve it so far, asking for further research.
Travis Dove for The Washington Post/Getty Images
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Travis Dove for The Washington Post/Getty Images
On Friday, drugmaker Lykos Therapeutics received word from the Food and Drug Administration that the agency has decided not to approve MDMA-assisted therapy for PTSD at this time. Instead, the agency asked the drugmaker to further study the safety and efficacy of the treatment.
The heavily anticipated announcement came in the form of a “complete response letter” from the FDA to Lykos, according to a company press release.
It represents a significant blow for the company and the broader movement to bring psychedelics into the mainstream of mental health care. Lykos said it plans to request a meeting with the FDA to ask for reconsideration of the decision.
Lykos’ CEO Amy Emerson called the FDA’s request for another phase 3 trial “deeply disappointing,” and said conducting the study “would take several years.”
She added that many of the requests from the agency “can be addressed with existing data, post-approval requirements or through reference to the scientific literature.”
“The FDA’s decision to request another phase 3 study is a major setback for the field,” said Jennifer Mitchell, a professor at the University of California, San Francisco and an author of the MDMA studies, in Lykos’ press release.
The treatment had garnered considerable support from patients, leaders in the field of mental health and psychedelics and politicians from both parties. In recent weeks, advocates mounted a major public pressure campaign, emphasizing the dire need for new and effective treatments for veterans and the millions of people affected by PTSD.
Many in the psychedelics industry had viewed this as a pivotal moment. The FDA decision on MDMA could be seen as a bellwether for other drugs that are in the pipeline like psilocybin and LSD, which are both considered “classic psychedelics” unlike MDMA.
The wave of enthusiasm around the drug’s therapeutic potential has also come from research scientists at top academic centers and even the Department of Veterans Affairs.
Still, the fate of the treatment was far from certain.
Opposition to the Lykos’ application had gained momentum in recent months, culminating in a contentious public meeting when advisors to the FDA voted against the evidence backing the treatment, largely based on concerns about shortcomings in the clinical research.
In its press release, Lykos said the FDA echoed the issues raised by the committee.
That downvote put the FDA in a tricky spot, given that it historically sides with the advisors. Those hoping to see MDMA make it to market fired back that concerns about the quality of the research were overblown and, in some cases, focused on issues with the study design that weren’t unique to MDMA.
The push to establish MDMA-assisted therapy as a legitimate treatment for PTSD stretches back two decades.
Researchers affiliated with the nonprofit Multidisciplinary Association for Psychedelic Studies, or MAPS, pioneered the early studies and developed the therapy protocol embedded in the treatment. That work ultimately set the stage for the drugmaker, which was incubated by MAPS, to press forward with larger human trials and seek approval from federal regulators.
Lykos has raised more than $100 million in anticipation of FDA approval of its MDMA therapy.
Optimism around the treatment largely stems from the company’s promising phase 3 clinical trials, which together enrolled about 200 people. The most recent one, published last year, showed just over 70% of participants no longer met the diagnostics criteria for PTSD after three therapy sessions with MDMA, compared to about 48% who had the same talk therapy protocol but took a placebo.
Follow up research from the company showed participants were still benefiting from the treatment at least half a year after their last dosing session.
“Although disappointing, this move by the FDA highlights the importance of conducting rigorous research into the safety and efficacy of MDMA assisted therapy,” says Alan Davis, director of the Center for Psychedelic Drug Research and Education at the Ohio State University, “Despite this setback, I am hopeful that there will be a better outcome down the road after more research is completed in the coming years.”
Debate over the merits of the Lykos’ application has become increasingly divisive, with allegations that misconduct and bias in the clinical trials compromised the findings and undermined its safety. The drugmaker and many of the therapists involved in the research have steadfastly denied those claims.
It’s unclear to what extent any of this factored into the FDA’s deliberation on the therapy.
In response to Friday’s decision, Emerson reiterated the company’s plan to push the research forward, saying they’d “work tirelessly and use all available regulatory pathways to find a reasonable and expeditious path forward for patients.”
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