
This article is for educational purposes only. Psilocybin remains a controlled substance in Canada and is not approved for therapeutic use. Field Trip Health does not provide psilocybin-assisted psychotherapy. References to psilocybin, related research, or investigational “psilocybin therapy” are for informational context only, summarizing Health Canada-authorized studies and regulatory developments.
Psilocybin research in Canada represents an emerging area of clinical investigation that is contributing to our understanding of mental health care. Clinical studies of this investigational approach have shown preliminary results in research settings. We’ll explore below the current landscape of psilocybin research in Canada, its potential applications under study for treatment-resistant depression, and the evolving regulatory framework guiding this area of investigation.
The Current Landscape of Psilocybin Therapy Research in Canada
The landscape of psilocybin therapy research in Canada is rapidly evolving, driven by promising study outcomes and changing regulatory frameworks. There have been significant developments in recent years that are informing ongoing conversations about how we approach mental health treatment. This section provides an overview of the current state of psilocybin therapy research in Canada, focusing on legal status, regulatory changes, and ongoing research initiatives.
Legal Status and Regulatory Framework
Psilocybin remains a controlled substance in Canada, classified under Schedule III of the Controlled Drugs and Substances Act. Recent regulatory developments, however, have created limited, case-by-case opportunities for its investigational use in specific clinical and research contexts. In August 2020, Health Canada granted the first exemptions for psilocybin use in end-of-life care, marking a significant shift in policy. This decision acknowledged requests to study the potential therapeutic role of psilocybin-assisted psychotherapy for patients experiencing end-of-life distress within an exceptional exemption framework.
The regulatory landscape continues to evolve, with Health Canada considering applications for exemptions on a case-by-case basis. These exemptions may allow for the use of psilocybin in specific, exceptional clinical or research contexts, which have included treatment-resistant depression, end-of-life anxiety, and substance use disorders. It’s crucial to note that these exemptions are currently limited and do not constitute broad legalization or routine availability of psilocybin therapy.
Regulatory Framework for Psilocybin Research
Psilocybin remains a controlled substance in Canada under Schedule III of the Controlled Drugs and Substances Act. Various regulatory pathways exist for research purposes, including clinical trials conducted under Health Canada authorization. Researchers interested in studying psilocybin must obtain appropriate regulatory approvals and follow strict protocols established for controlled substances research.
Ongoing Clinical Trials and Research Initiatives
Canada is at the forefront of psilocybin research, with numerous clinical trials underway across the country. These studies are exploring the potential role of psilocybin-assisted psychotherapy for various conditions, including treatment-resistant depression, anxiety disorders, and substance use disorders. As a researcher, I’ve been involved in several of these initiatives, and the preliminary results are being closely monitored and require further study.
Major research institutions, including the University of Toronto, McGill University, and the Centre for Addiction and Mental Health (CAMH), are conducting rigorous studies on psilocybin therapy. These trials are not only investigating the immediate effects of psilocybin but also its long-term impact on mental health outcomes. The data from these studies will be crucial for informing policy discussions about whether, and under what conditions, psilocybin therapy could have a future role in care in Canada.
Understanding Psilocybin Research for Mental Health Applications
Psilocybin research represents an emerging area of clinical investigation. As a physician and researcher in this field, research findings suggest potential mechanisms that warrant further investigation. This section explores how psilocybin works in the brain, compares it to traditional antidepressants, and discusses its benefits and risks.
Mechanism of Action: How Psilocybin Affects the Brain
Psilocybin, the active compound in certain mushrooms, primarily acts on serotonin receptors in the brain, particularly the 5-HT2A receptor. This interaction leads to increased neural plasticity and connectivity. Studies indicate that psilocybin primarily acts on serotonin receptors, particularly 5-HT2A, influencing neuroplasticity and connectivity. This may help explain why participants in clinical trials report changes in entrenched thought patterns associated with depression.
The psychedelic effects of psilocybin are believed to play a role in its investigational therapeutic potential in research settings. In studies, some participants report psychological insights and emotional shifts. Neuroimaging research has shown that psilocybin can temporarily affect activity in the default mode network, a brain system often overactive in depression.
Comparison to Traditional Antidepressants
Unlike traditional antidepressants that require daily use and can take weeks to show effects, investigational psilocybin-assisted psychotherapy in research settings typically involves one to three supervised sessions. In controlled research environments, some participants report changes in mood and outlook following psilocybin sessions conducted under strict medical supervision. These results are early and require replication before psilocybin can be considered for any clinical approval.
Traditional antidepressants often work by increasing serotonin levels in the brain. Psilocybin, however, seems to work by temporarily altering brain function and promoting neuroplasticity. This can lead to lasting changes in thought patterns and emotional processing, and researchers are exploring whether this could offer an alternative approach to treating depression.
Potential Benefits and Risks
Research findings in clinical trial settings have shown various outcomes in study participants. These results are preliminary and require further investigation through controlled research studies. Some participants in research settings have reported psychological insights and emotional shifts, while others experience temporary psychological distress or anxiety. Proper screening, preparation, and professional supervision are essential to minimize risks.
However, it’s crucial to acknowledge the potential risks. Psilocybin can cause temporary psychological distress during the session, which is why proper screening, preparation, and supervision are essential. There’s also a small risk of exacerbating pre-existing mental health conditions. It’s important to note that, in research, these risks are monitored in controlled settings with trained professionals.
The Psilocybin Therapy Process in Canada
In Canada, psilocybin remains a controlled substance and is not approved for therapeutic use. However, in Health Canada–authorized clinical studies, participation follows a structured protocol designed to protect participant safety and to help researchers understand potential therapeutic effects. The outline below describes what this process typically looks like in research settings.
Initial Assessment and Eligibility Criteria
The first step in a psilocybin research study is a comprehensive assessment to determine eligibility. Participants usually undergo a medical and psychological evaluation. This can include a review of mental health history, current medications, and previous treatments for depression or anxiety.
Researchers also screen for contraindications such as a history of psychosis or certain cardiovascular conditions. This screening is essential to make sure participation in a psilocybin study is appropriate and as safe as possible for each individual.
Preparation Sessions and Set/Setting
Participants who are enrolled take part in preparation sessions. These are important for establishing the right mindset (‘set’) and environment (‘setting’) for the study day. Typically, 2–3 preparation meetings are used to explain what to expect, address concerns, and clarify the participant’s intentions for the session.
Researchers also create a safe, comfortable environment for the dosing day, often a quiet room with minimal distractions. This preparation phase helps reduce anxiety and supports a more stable experience during the session.
The Psilocybin Session: What to Expect
On the dosing day, participants receive a study drug dose (which may be psilocybin or a comparator, depending on the trial) in a controlled research setting. Sessions often last 6–8 hours, and trained study staff remain present throughout to monitor vital signs and provide support.
During the session, participants may notice changes in perception, emotions, or patterns of thought. These experiences can be intense, which is why they are conducted in a supervised setting with staff available if support is needed.
Integration and Follow-up Care
After the dosing visit, authorized studies usually include one or more integration or follow-up sessions. These meetings help participants talk through what they experienced and help researchers understand short- and longer-term effects.
Follow-up may also include mood check-ins and safety monitoring over days or weeks after the session. While some research participants have reported meaningful personal insights in these studies, psilocybin-assisted therapy is still investigational in Canada and should be understood as part of ongoing research rather than a generally available treatment.
Psilocybin Research Participation in Canada
Participation in psilocybin research in Canada is possible through authorized clinical trials conducted by qualified research institutions. We’ll dive into the current pathways for participating in psilocybin therapy research, including legal routes, finding qualified practitioners, and understanding the associated costs.
Legal Routes: Clinical Trials
Research participation in psilocybin studies in Canada occurs through clinical trials conducted by authorized research institutions following Health Canada protocols for controlled substance research. Many research institutions across Canada are conducting studies on psilocybin therapy for various mental health conditions. As a researcher, I’ve seen firsthand how these trials not only advance our understanding of psilocybin’s therapeutic potential but also advance our understanding of psilocybin’s effects and may allow some individuals to participate in research studies under strict protocols.
Finding Qualified Psychedelic Therapists
Because psilocybin remains a controlled substance, there is no formal certification or licensing for psilocybin-assisted therapy in Canada. However, some mental health professionals participate in research or receive academic training in psychedelic-assisted psychotherapy to prepare for future regulatory frameworks. When psilocybin research expands, verifying a professional’s clinical credentials and ethical standards will remain essential.
Costs and Insurance Considerations
Costs associated with psilocybin are currently limited to participation in approved research studies. These are often funded by academic or institutional grants and typically do not involve commercial fees. Since psilocybin is not approved for therapeutic use, insurance coverage does not apply outside authorized trials.
Some research studies and clinical trials may offer treatment at reduced costs or for free in exchange for participation.
The Role of Psychotherapy in Psilocybin-Assisted Treatment
Psychotherapy plays a crucial role in psilocybin-assisted treatment for treatment-resistant depression. As a physician involved in psychedelic research, I’ve observed that the therapeutic support provided before, during, and after psilocybin sessions significantly enhances the treatment’s effectiveness. This section explores the integral role of psychotherapy in psilocybin-assisted treatment, focusing on therapeutic support, integration of experiences, and long-term mental health management.
Importance of Therapeutic Support
Therapeutic support is fundamental to the success of psilocybin-assisted treatment. In research settings, the presence of trained therapists throughout the process creates a safe, supportive environment that allows participants to fully engage with the psilocybin experience. This support begins with preparation sessions, where therapists help participants set intentions and address any anxieties about the upcoming psilocybin session.
During the psilocybin session itself, therapists provide a reassuring presence, helping participants navigate challenging emotions or experiences that may arise. This support is critical in allowing participants to fully explore their thoughts and feelings, maximizing the therapeutic potential of the psilocybin experience. The therapeutic alliance formed during these sessions often leads to profound insights and emotional breakthroughs that are crucial for treating depression.
Integration of Psychedelic Experiences
The integration phase following a psilocybin session is where much of the therapeutic work occurs. As a researcher, I’ve found that helping patients process and make sense of their psychedelic experiences is essential for long-lasting benefits. Skilled therapists guide patients in unpacking the insights gained during the psilocybin session and applying them to their daily lives.
Integration sessions typically involve discussing the patient’s experiences, exploring any new perspectives gained, and developing strategies to implement positive changes. This process helps solidify the insights from the psilocybin experience, turning them into actionable steps for managing depression. The therapeutic support during integration is crucial in translating the often profound and abstract experiences into practical improvements in mood and outlook.
Long-Term Mental Health Management
Psilocybin therapy is not a one-time cure but part of a broader approach to long-term mental health management. In my practice, I’ve seen how ongoing therapeutic support helps patients maintain the benefits of psilocybin therapy over time. Regular follow-up sessions allow therapists to monitor patients’ progress, address any recurring depressive symptoms, and reinforce positive changes.
These long-term therapeutic relationships also provide an opportunity to integrate the insights from psilocybin experiences into a comprehensive mental health strategy. This may include developing new coping mechanisms, addressing underlying issues contributing to depression, and making lifestyle changes to support mental well-being. The combination of psilocybin-induced insights and ongoing therapeutic support creates a powerful framework for sustained improvement in mental health.
Research and Evidence Supporting Psilocybin Therapy
Research on psilocybin for depression is ongoing, and while early results are promising, these findings come exclusively from controlled research settings. The studies below represent preliminary evidence rather than proof of clinical effectiveness.
Key Studies on Psilocybin for Depression
Several landmark studies have investigated the efficacy of psilocybin therapy for treatment-resistant depression. A 2016 study published in The Lancet Psychiatry showed that two doses of psilocybin, combined with psychological support, were associated with rapid and sustained changes in depressive symptoms in a small group of patients with treatment-resistant depression. The study reported that 67% of participants were in remission one week after treatment, and the authors emphasized the need for larger, controlled trials.
Another study, published in JAMA Psychiatry in 2020, compared psilocybin-assisted psychotherapy to escitalopram, a common antidepressant, in a research setting. The results indicated that psilocybin was not inferior to escitalopram on several depression outcome measures in that trial, with some signals of more rapid onset and different side-effect profiles. These findings have contributed to ongoing scientific discussion about psilocybin’s potential role, while highlighting the need for further, larger-scale studies.
Ongoing Research Projects in Canada
Canada is at the forefront of psilocybin research, with several ongoing studies across the country. At the University of Toronto, researchers are conducting a double-blind, randomized controlled trial investigating psilocybin’s effects on treatment-resistant depression, which aims to provide robust evidence on the efficacy and safety of psilocybin therapy in a Canadian context.
The Centre for Addiction and Mental Health (CAMH) in Toronto is also leading research on psilocybin for depression and anxiety. Their studies are exploring not only the immediate effects of psilocybin but also its long-term impact on mental health outcomes. These ongoing projects are crucial for informing policy decisions and expanding access to psilocybin therapy in Canada.
Gaps in Current Knowledge and Future Directions
While the current research is promising, there are still significant gaps in our knowledge. We need more long-term follow-up studies to understand the duration of psilocybin’s antidepressant effects and determine optimal dosing and treatment protocols. Additionally, research on psilocybin’s interaction with other medications and its efficacy in diverse populations is crucial.
Future research directions should focus on developing standardized protocols for psilocybin therapy, investigating its potential for other mental health conditions, and exploring the neurobiological mechanisms underlying its therapeutic effects. As a researcher and physician, I am particularly interested in studies that combine neuro-imaging techniques with psilocybin therapy to better understand how it affects brain function in depression and look forward to these advancements as I further work in this therapeutic space.
Ethical Considerations and Indigenous Perspectives
The integration of psilocybin therapy into modern medical practice raises important ethical considerations, particularly regarding Indigenous perspectives and traditional uses. As a physician and researcher in this field, I’ve come to recognize the crucial importance of addressing these issues thoughtfully and respectfully. This section explores the ethical dimensions of psilocybin therapy, focusing on cultural appropriation, Indigenous wisdom, and equitable access.
Cultural Appropriation and Respect for Traditional Uses
The use of psilocybin in Indigenous cultures has a rich history spanning thousands of years. As we integrate psilocybin into modern therapeutic practices, it’s essential to acknowledge and respect these traditional uses. In my research, I’ve observed a growing awareness among clinicians and researchers about the importance of avoiding cultural appropriation while advancing psilocybin therapy.
Respecting traditional uses involves more than just acknowledging their existence. It requires a deep understanding of the cultural context in which these practices occur and a commitment to preserving the integrity of these traditions. As we develop protocols for psilocybin therapy, it’s crucial to engage with Indigenous communities and seek their guidance on how to honor their cultural heritage while advancing modern therapeutic applications.
Inclusion of Indigenous Wisdom in Modern Protocols
Incorporating Indigenous wisdom into modern psilocybin therapy protocols offers a unique opportunity to enhance our therapeutic approaches. Indigenous perspectives on healing often embrace a holistic view, such as the emphasis on set and setting, can significantly contribute to the effectiveness of psilocybin therapy, and that aligns well with the transformative potential of psychedelic experiences.
Collaboration with Indigenous healers and knowledge keepers can provide valuable insights into the spiritual and emotional dimensions of psilocybin experiences. This collaboration should be based on mutual respect and genuine partnership, ensuring that Indigenous contributions are properly acknowledged and compensated. By integrating these perspectives, we can develop more comprehensive and culturally sensitive approaches to psilocybin therapy.
Ensuring Equitable Access to Psilocybin Therapy
As psilocybin therapy becomes more widely available in Canada, ensuring equitable access is a critical ethical consideration. In my research and clinical work, I’ve observed disparities in access to mental health treatments, including innovative therapies like psilocybin-assisted psychotherapy. Addressing these disparities is essential for maximizing the potential benefits of this treatment approach.
Equitable access involves several factors, including affordability, geographic availability, and cultural competence in service delivery. As we develop policies and practices around psilocybin therapy, it’s crucial to consider how to make this treatment accessible to diverse populations, including Indigenous communities, racial and ethnic minorities, and individuals from various socioeconomic backgrounds. This may involve establishing treatment centers in underserved areas and ensuring cultural sensitivity in therapeutic protocols.
The Future of Psilocybin Therapy in Canada
The future of psilocybin research in Canada will depend on continued scientific validation and regulatory review. As evidence accumulates, policymakers may explore structured frameworks for potential clinical use, but no such approval currently exists. Ensuring safety, equity, and scientific rigor will remain top priorities as research evolves.
Potential Policy Changes and Expanded Access
In the coming years, it is possible that regulatory discussions about psilocybin may continue in Canada, depending on emerging scientific evidence and public-health considerations. Regulatory frameworks for controlled substance research continue to evolve to support scientific investigation. As more clinical evidence accumulates, there may be further review of existing policies; however, psilocybin therapy is not currently approved, and no future access pathway has been established.
There has also been discussion internationally about specific regulatory frameworks for psychedelic-assisted psychotherapy. Any future frameworks in Canada would need to provide clear guidelines for safety and ethical use and would be subject to federal review. At present, psilocybin remains a controlled substance, and no decision has been made regarding rescheduling under the Controlled Drugs and Substances Act.
Integration into Mainstream Mental Health Care
As research into psilocybin continues, some clinicians and researchers have raised questions about whether, and under what conditions, it might one day be integrated into mental health care. Any such integration in Canada would depend on future regulatory decisions, clinical evidence, and safety considerations, and would likely begin within research or specialized settings if it were ever approved.
Training and Certification for Psychedelic Therapists
If psilocybin-assisted psychotherapy were ever approved and became more widespread, there would likely be an increasing need for standardized training and certification programs for psychedelic therapists. Some experts anticipate that, if approval were granted, accredited training programs could emerge that combine knowledge of psychedelic substances with therapeutic skills and ethical considerations.
These programs may be offered through universities, medical schools, or specialized institutes, providing a pathway for mental health professionals to gain expertise in psilocybin-assisted psychotherapy. Certification standards will likely be developed in collaboration with regulatory bodies, ensuring that psychedelic therapists meet rigorous criteria for safe and effective practice.
Shaping the Future of Psilocybin Therapy in Canadian Healthcare
The landscape of mental health care in Canada is evolving, and psilocybin-related research is one of several areas under scientific investigation. The journey toward understanding whether psilocybin-assisted psychotherapy has a role in future care is not without challenges. We face regulatory hurdles, the need for more extensive research, and the important task of ensuring equitable access if it were ever approved. As evidence continues to emerge, it will be important to prioritize patient safety, adhere to rigorous scientific standards, and maintain an open dialogue with regulatory bodies.
The growing body of evidence supporting psilocybin therapy for treatment-resistant depression is compelling, and it’s our responsibility as healthcare professionals to advocate for treatments that can provide relief to those who have exhausted other options. The integration of psilocybin therapy into Canadian healthcare represents more than just a new treatment option; it signifies a shift in how we approach mental health. It acknowledges the complex interplay between mind and body, and recognizes the potential for profound, transformative experiences to catalyze healing. The potential to alleviate suffering for those with treatment-resistant depression is immense, and I believe that psilocybin therapy will play a crucial role in reshaping our approach to mental health care in Canada and beyond.
Field Trip Health conducts research in various areas of mental health treatment and offers evidence-based therapies that are authorized for sale by Health Canada, such as Stellate Ganglion Block therapy, Neurofeedback therapy, and repetitive Transcranial Magnetic Stimulation (rTMS)
About the Author

Dr. Mario Nucci MD CCFP is a licensed Family Physician with a passion for mental health and the development of new therapies. He is actively engaged in research with a faculty associate professorship at Northern Ontario School of Medicine, and research collaborations with the University of Ottawa, University of Calgary, Lakehead University, Concordia University and Vancouver Island University.
Dr. Nucci is the founder of Bay and Algoma Health Centre in 2019, a walk-in and addiction medicine clinic. He founded the Canadian Centre for Psychedelic Healing in 2019, now operating as Field Trip Health, providing cutting edge mental health care in Toronto, Montreal, Vancouver, Ottawa, Hamilton, Kitchener-Waterloo, Thunder Bay, Sault Ste. Marie, and at-home.