Therapsil & Gathering Groups Large-Scale Group Psilocybin Therapy Clinical Trial

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Gathering Groups is honoured to be partnering with TheraPsil in what may be the world's largest and most innovative psilocybin clinical trial and research data repository, right here in Canada.
This large-scale trial, pending approval from Health Canada, will uniquely study the effects of psilocybin in a group program and, for the first time in history, will not necessitate any diagnosed mental health condition. This trial focuses on measuring improvements of general well-being.
We are hopeful that the trial results will usher in a new era of affordable and accessible psilocybin therapy conducted in a group structure for all those who seek healing, growth and preventative mental health care.

About the Clinical Research

Gathering Groups is currently working on approval for a pilot study examining the impact of Psilocybin for assisted group therapy.


Psilocybin-assisted therapy can help you navigate chronic pain and several chronic conditions, such as cluster

Gathering Retreat

It is a proven method of reducing the symptoms of depression, anxiety, PTSD, CPTSD, OCD, and substance abuse disorder.


Participants also notice mood improvements, increased focus and motivation, and an overall better wellbeing.

Study Population

Gathering Groups is choosing to dedicate our seats to first responders in appreciation for their critical roles in keeping Canadians safe and in recognition of the immense burdens they carry on behalf of us all.

We are not restricted to first responders, so we welcome retired first responders as well as family members of first responders.

Participants may or may not have any clinical diagnoses. This inclusive approach will help normalize the program and reduce any stigma that may be attached to “needing” the program for a mental health condition.

Our study population has been left broad so that together TheraPsil and Gathering Groups can make Psilocybin accessible to those who are currently using it, and Canadians who wish to get well.

While the study is open to most Canadians, we will be working with clients most in need of treatment as this study is both for access and scientific inquiry.

What’s in it for Participants?

This clinical trial will provide a safe, legal way to access these medicines for everyone. It is available to those with diagnosed mental health conditions as well as healthy populations with no diagnosis who are seeking to improve their overall wellbeing.

We are hopeful the trial results will usher in a new era of affordable and accessible psilocybin therapy conducted in a group structure for all those who seek healing, growth and preventative mental health care.

What’s in it for Funders?

Your donation will help to address the personal and professional challenges faced by many first responders, veterans, their families, and community members.
This trial may cultivate greater workplace wellness leading to improved productivity while reducing sickness and stress leave. You may direct your donation to support cohorts from your specific workplace.
Primary donors will receive broad acknowledgement on our website and through all our communication channels.
Your contribution may be eligible for a charity taxable receipt.

What’s in it for Canada?

This study examines the broader, holistic solutions available through ancient practices to address current challenges in administering this plant medicine, establishing Canada as a leader in setting a gold standard of psilocybin therapy.
We are asking Canadians to join us in our mission to make Psilocybin more available to Canadians. Canadians who feel called can support the mission by donating to support this ground-breaking clinical trial. Funds will directly support the creation of a medical framework for psilocybin treatment here in Canada.

Fill out the form below to support the trial.
TheraPsil MDMA Training Participant Intake Form

TheraPsil MDMA Experiential Training Intake Form

Please complete the form below at least two weeks before your formal experiential training experience. contact with any questions.


You will be invoiced by TheraPsil for this training.

Accommodation fees will be invoiced by Gathering Groups.

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