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Writer's picturePeter H Addy, PhD

The Rise of Psychedelic-Assisted Therapy: What Mental Health Professionals Need to Know

I. Introduction

In a groundbreaking 2021 study, 67% of participants with severe PTSD no longer met the diagnostic criteria after just three MDMA-assisted therapy sessions. This remarkable finding exemplifies the promising results emerging from the rapidly evolving field of psychedelic-assisted therapy. It also underscores the need for mental health professionals to remain engaged and committed to ongoing research in this field.


As a mental health professional, you're likely aware of the growing interest in psychedelics for therapeutic use. From mainstream media coverage to peer-reviewed research, the potential of substances like MDMA, psilocybin, and ketamine to revolutionize mental health treatment is capturing widespread attention.


This resurgence represents a paradigm shift in mental health treatment, offering new hope for patients who haven't responded to traditional therapies. As the field progresses, it's crucial for mental health professionals to stay informed about these developments and understand both the potential benefits and the challenges they present. The promising potential of psychedelic-assisted therapy should evoke a sense of hope and optimism in mental health professionals.


II. The Renaissance of Psychedelic Research


A. Brief history of psychedelic use in therapy


Psychedelic research in therapy dates back to the 1950s and 1960s, with over 1,000 clinical papers published detailing the treatment of over 40,000 patients for various conditions. However, this promising research halted in the late 1960s due to cultural backlash and political pressures, leading to the criminalization of most psychedelics.


B. Recent clinical trials and promising results


The 21st century has witnessed a revival of psychedelic research. Rigorous clinical trials are now demonstrating the therapeutic potential of these substances, particularly for treatment-resistant conditions. For instance, a 2016 study found that a single dose of psilocybin produced substantial and sustained decreases in depression and anxiety in patients with life-threatening cancer.


Major institutions like Johns Hopkins University and Imperial College London have established dedicated centers for psychedelic research. Funding has also increased dramatically, with private and public sectors supporting these studies.


C. Shift in public perception and policy


Public perception of psychedelics is shifting, aided by positive media coverage and popular books like Michael Pollan's "How to Change Your Mind." This changing perception is reflected in policy changes, with Oregon legalizing psilocybin for therapeutic use in 2020 and several cities decriminalizing certain psychedelics.


III. Key Psychedelics in Therapy and Their Applications


A. MDMA therapy for PTSD


MDMA, often known as "ecstasy," primarily affects serotonin and norepinephrine while also increasing oxytocin levels. This combination can produce feelings of empathy and emotional openness, making it particularly useful in treating PTSD.


In Phase 3 trials, 67% of participants who received MDMA-assisted therapy no longer met PTSD criteria after three sessions, compared to 32% in the placebo group. Based on these results, the FDA granted Breakthrough Therapy designation to MDMA-assisted therapy for PTSD in 2017, with potential approval as early as 2024.


B. Psilocybin treatment for depression and anxiety


Psilocybin, the active compound in "magic mushrooms," has shown promise in treating depression and anxiety. Unlike traditional antidepressants, psilocybin has demonstrated rapid and long-lasting effects after just one or two administrations.


A 2021 study found that psilocybin was more effective than escitalopram (a typical SSRI) in reducing depression scores over six weeks. Several ongoing studies are further investigating psilocybin's potential for various mood disorders.


C. Ketamine-assisted psychotherapy for treatment-resistant depression


Ketamine, originally an anesthetic, has gained attention for its rapid antidepressant effects. While ketamine itself isn't FDA-approved for depression, in 2019, the FDA approved a ketamine-derived nasal spray (esketamine) for treatment-resistant depression.


Ketamine can produce significant improvements in mood within hours, making it crucial for patients with severe depression or suicidal ideation. Many clinicians are combining ketamine with psychotherapy, an approach known as ketamine-assisted psychotherapy, to potentially enhance its effects and lead to more profound and lasting changes.


As mental health professionals, understanding these key psychedelics and their applications is crucial as we navigate the evolving landscape of mental health treatment. In the following sections, we'll explore how these substances work in the brain and the legal and ethical considerations surrounding their use.


IV. Mechanisms of Action: How Psychedelics Work in the Brain


Psychedelics produce their effects through unique mechanisms that differ from traditional psychiatric medications. Understanding these mechanisms can help mental health professionals better appreciate the potential of psychedelic-assisted therapy.


A. Neuroplasticity and brain connectivity


Psychedelics are known to increase neuroplasticity, the brain's ability to form new neural connections. This enhanced plasticity may allow for the formation of new thought patterns and behaviors, potentially breaking the cycle of rigid, maladaptive thinking often seen in conditions like depression and PTSD.


Research has shown that psychedelics can also disrupt the default mode network (DMN), a set of interacting brain regions active when a person is at rest and not focused on the external environment. Overactivity in the DMN has been associated with rumination and depression. By temporarily disrupting this network, psychedelics may allow for new perspectives and insights.


B. The importance of set, setting, and integration


Unlike traditional medications, the effects of psychedelics are heavily influenced by the context in which they're taken. This context includes the individual's mindset ("set") and the physical and social environment ("setting"). Mental health professionals play a crucial role in preparing clients for the experience, addressing any concerns or fears they may have, and creating a safe, supportive environment that promotes a positive therapeutic outcome.


Integration, the process of making meaning from the psychedelic experience and incorporating insights into daily life, is equally important. This often involves follow-up therapy sessions to help clients process their experiences, integrate the insights gained from the psychedelic experience into their daily lives, and address any lingering issues or questions.


V. Legal and Ethical Considerations


As psychedelic-assisted therapy gains traction, mental health professionals must navigate complex legal and ethical landscapes.


A. Current legal status


While most psychedelics remain illegal at the federal level, there's growing momentum for change. Oregon has legalized psilocybin for therapeutic use, and several cities have decriminalized certain psychedelics. However, staying informed about local and federal laws is crucial, as the legal landscape is rapidly evolving.


B. Ethical considerations


Psychedelic-assisted therapy raises unique ethical considerations. These include:


1. Informed consent: Ensuring clients fully understand the potential risks and benefits of psychedelic therapy, including the possibility of adverse reactions or exacerbation of existing mental health conditions.

2. Boundaries: Maintaining appropriate therapeutic boundaries, given the intense and intimate nature of psychedelic experiences.

3. Competence: Acquiring proper training and supervision to work with psychedelics safely and effectively.


Mental health professionals in this field should seek specialized training and stay updated on emerging ethical guidelines.


VI. The Future of Psychedelic-Assisted Therapy


The future of psychedelic-assisted therapy looks promising, with several exciting developments on the horizon.


A. Ongoing research and upcoming clinical trials


Numerous clinical trials are underway, exploring the potential of psychedelics for a range of mental health conditions. These include studies on psilocybin for major depressive disorder, MDMA for eating disorders, and DMT for treatment-resistant depression.


B. Potential integration into mainstream mental health care


As research progresses and regulatory barriers are addressed, we may see psychedelic-assisted therapy integrated into mainstream mental health care. This could involve specialized clinics offering psychedelic treatments or the incorporation of these therapies into existing mental health practices.


C. Opportunities for professional development


For mental health professionals, the growth of psychedelic-assisted therapy presents new opportunities for specialization and professional development. Training programs, certifications, and continuing education courses in psychedelic-assisted treatment are likely to become more prevalent.


VII. Conclusion


The resurgence of psychedelic-assisted therapy represents a paradigm shift in mental health treatment. As research continues to demonstrate the potential of these substances to treat a range of mental health conditions, mental health professionals must stay informed about these developments.


While challenges remain, including legal and ethical considerations, the field of psychedelic-assisted therapy offers exciting possibilities for improving mental health outcomes. By understanding the mechanisms, applications, and concerns surrounding psychedelic-assisted therapy, mental health professionals can better navigate this evolving landscape and potentially offer new hope to clients who haven't responded to traditional treatments.


To deepen your understanding of psychedelic-affirming therapy and its applications, we invite you to download our free e-book, "What To Do After Your Client Uses Psychedelics." This comprehensive guide provides practical strategies for supporting clients through the integration process and developing a psychedelic-affirming therapeutic approach.



As the field of psychedelic-assisted therapy continues to evolve, staying informed and open to new developments will be key for mental health professionals looking to provide the best possible care for their clients.

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