Magic Mushrooms May Help With Clinical Depression

A handful of biotech and pharmaceutical companies are experimenting with various delivery methods and dosage.
Magic Mushrooms May Help With Clinical Depression
Image credit: via Cannabis & Tech Today

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This story originally appeared on Cannabis & Tech Today

In clinical depression and related disorders, there have not been any significant treatment advancements in over a decade. A handful of biotech and pharmaceutical companies in the nascent psychedelics sector, including Toronto-based Cybin Corp., intend to rectify that. 

In the latter part of 2019, the United States Food and Drug Administration (FDA) designated psilocybin – the psychoactive component in psychedelic mushrooms– as a “Breakthrough Therapy,” with fast tracks clinical trials. This designation only occurs when there is significant evidence that a new treatment might prove far more effective than current ones. 

Psilocybin, the much-maligned “magic” mushroom, can be highly effective drug-assisted therapy for Major Depressive Disorder (MDD) and related lugubrious disorders. So far, in clinical trials, the advance results of psilocybin-assisted therapy have overtaken those of early trials of antidepressants.

RELATED: After Cannabis, Is The Next Startup Boom Mushrooms?

Delivery methods

Goodbye slow-acting horse pills, hello fast-acting sublingual strips.

Cybin Corporation, a mushroom-based life-sciences company, is one of several companies pursuing psilocybin treatments along with Compass Pathways, Havn, and Wake.

While Wake is focusing on immersion retreats, Cybin is throwing a curveball into its clinical trials in the form of a novel drug delivery method. Existing research has primarily focused on tablets or capsules. Cybin studies sublingual films, comparable in laymen’s terms to dissolvable minty breath strips. The company has partnered with pharmaceutical manufacturer IntelGenx to manufacture the films, which may end up with a fruit flavor.

Those with a penchant for neophilia have good reason to be excited. IntelGenx’s sublingual (or buccal) films can directly deliver a pharmaceutical ingredient into the bloodstream instead of the long path through the gastrointestinal system and the liver when swallowing a pill.

Medicated films demonstrate a faster onset of action in comparison to other pharmaceuticals. The specific time it takes for the psilocybin in the films to activate is still in discovery mode, but IntelGenx observes significant differences in dose timing in various medications. For example, in medication for anxiety attacks, the film’s onset was remarkably one to two minutes.

In stark comparison, a 30-minute onset occurs when consuming the medicine in tablet form. Advantageously, while likened to a breath strip for illustrative purposes, technically, since absorption occurs in the oral cavity, there is no requirement to swallow.

Pill phobia is a genuine concern for many patients. Others merely dislike taking tablets. Dysphagia and other swallowing challenges are a constant concern in the elderly, and many neurological and psychiatric patients particularly.

Thus, orally dissolvable formulations do not require that the patient have access to a liquid to assist in swallowing a tablet or capsule.

RELATED: 5 Reasons I Switched To The Psychedelic Business

Dosing

This feature may be advantageous to those who prefer to administer the dosage form discretely, or without respect to immediate access to a potable liquid. Additionally, this drug delivery method should utilize less medicine with more immediately useful results.

While a 25mg psilocybin pill has become the unofficial standard for a therapeutic dose in clinical research and proves to treat MDD in trials, Cybin intends to provide similar results using a significantly smaller amount. Cybin is embarking on a clinical trial to determine precisely how few milligrams will work. 

“I suspect that three-milligrams will be an efficacious dose,” said Dr. Jukka Karjalainen, Cybin’s Chief Medical Officer. 

Three milligrams of psilocybin in the films will pass from under the tongue, directly into the bloodstream and on to the brain, proving a formidable alternative to a typical tablet. When orally consumed, a pill is ingested and travels through the gastrointestinal system, explained Dr. Karjalainen.

It is difficult to tell precisely how much of the dose is then processed by the liver. However, individuals might lose approximately 50-60% of that 25mg dose, he explains. The percentage that is absorbed is the bioavailable dose.

“With the buccal film dosing, bioavailability is 100 percent,” said Dr. Karjalainen. “The consumed dose is the available dose, to the clinical effect.” 

Rigorous research will shortly be underway to test Dr. Karjalanien’s hypothesis. 

RELATED: Will Cannabis Entrepreneurs Switch To Psychedelics?

Clinical trials

The most basic tenants of the three phases of human clinical trials are safety, effectiveness, and majority effectiveness, in that order. 

Cybin’s Phase 2A clinical trials will test various dosages of the films. According to the company, its Phase 2B trial will test the selected film dose against a placebo film on 120 participants with MDD. Both trials will occur in Jamaica, West Indies, by the end of 2020, according to Cybin’s CEO, Doug Drysdale. An adroit thought leader, Drysdale has over 30 years of Big Pharma executive experience.

By the end of 2021, Cybin hopes to file a commercial product application in Jamaica and plans to leverage the clinical trial data across other Caribbean countries and into more regulated markets such as the U.S. and Canada.

For Drysdale, the advancement of psilocybin to combat MDD is personal. “I have friends and family members who struggle with depression and related disorders. I am enthralled to be in a position to attempt to help them,” he says.

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