Can Psilocybin Therapy Help Treat PTSD?

Updated
June 29, 2023
Edited by Ben Smith
Last Updated:
May 2, 2024
Playful portrait of a man in a blue jacket adjusting his hair, wearing vivid purple sunglasses, and a pink balloon, representing joy and self-expression in mental health.

Post-traumatic stress disorder (PTSD) is a debilitating mental health condition that affects millions of people around the world. It can cause flashbacks, nightmares, and other intrusive symptoms that make it difficult to live a normal life. Unfortunately, traditional treatments for PTSD have been largely unsuccessful in treating the condition, leading many to seek out alternative therapies such as psilocybin therapy. 

Psilocybin is a naturally occurring psychedelic compound found in certain mushrooms and has been used by cultures around the world for centuries for its therapeutic effects. In recent years, researchers have begun to explore the potential of psilocybin therapy for treating PTSD and other mental health conditions with promising results [1].  

The Science Behind Psilocybin and PTSD

Although research into the effects of psilocybin on PTSD is still in its early stages, there are several theories as to how it may be beneficial in treating the condition. 

One theory suggests that psilocybin helps reduce fear responses by altering activity in brain regions associated with fear processing and emotional regulation [2]. In addition, studies have found that psilocybin can increase activity in the default mode network (DMN), which is a network of brain regions that are active during introspection, self-referential thinking, and empathy [3]. This increased activity in the DMN may help individuals to process and integrate traumatic memories, leading to a reduction in symptoms of PTSD.

Additionally, studies have suggested that psilocybin can help reduce symptoms of depression and anxiety, both of which are common among those with PTSD. Studies have found that psilocybin can increase activity in the dorsal raphe nucleus (DRN), which is a brain region that plays a role in regulating mood, anxiety, and stress [4]. This increased activity in the DRN may lead to a reduction in symptoms of depression and anxiety.

Finally, A 2012 study in Biological Psychiatry found that psilocybin helped people to feel happier and less likely to recognize negative emotions when looking at other people's faces. The participants, who received either psilocybin, a drug called ketanserin, both combined, or a placebo on different days, also reacted more positively to positive cues compared to negative ones [5]. These findings suggest that psilocybin might help shift how we process emotions in various situations, potentially helping people see things from a new, more positive perspective​.

These theories and studies suggest that psilocybin may be a promising treatment option for individuals with PTSD. Still, more research is needed to better understand the optimal dosing, frequency, and treatment protocols for psilocybin therapy for PTSD.

The Process of Psilocybin Therapy for PTSD

Psilocybin therapy typically involves three phases:

  1. Preparation: During this phase, therapists work with patients to set goals for treatment and discuss expectations about what will happen during the sessions. They also provide information about the effects of psilocybin and how to manage them.
  2. Administration: In this phase, patients are given two doses of psilocybin while they are monitored by trained professionals who provide support throughout the session. They are also given a safe and comfortable environment for the experience.
  3. Integration: Finally, during this phase, therapists help patients process their experiences from the session and discuss any changes they notice in their behavior or thought patterns afterward. They also provide guidance and support to help the patients integrate the insights and changes they experienced during the session into their daily lives.

Future Directions for Psilocybin Therapy in the Treatment of PTSD

 Research into using psilocybin therapy as a treatment option for PTSD is still relatively new, but promising results suggest that it could be a viable option for treating this condition in future years [6]

Future studies should focus on understanding how different doses affect symptom reduction as well as exploring long-term outcomes from this type of treatment approach over time. 

Additionally, more research should be done on understanding how different types of psychedelics interact with one another when used together to treat specific conditions like PTSD. Those findings could potentially lead to even more effective treatments down the line.

At Psychly, we are committed to upholding the highest standards in our content creation process. We strive to ensure that all statements presented in our articles are supported by reliable, high-quality sources, such as peer-reviewed studies and reputable academic journals.

- The Psychly Team

  1. van Amsterdam, J., & van den Brink, W. (2022). The therapeutic potential of psilocybin: a systematic review. Expert opinion on drug safety21(6), 833–840. https://doi.org/10.1080/14740338.2022.2047929
  2. Du, Y., Li, Y., Zhao, X., Yao, Y., Wang, B., Zhang, L., & Wang, G. (2023). Psilocybin facilitates fear extinction in mice by promoting hippocampal neuroplasticityPublish Ahead of Print. https://doi.org/10.1097/cm9.0000000000002647
  3. Gattuso, J. J., Perkins, D., Ruffell, S., Lawrence, A. J., Hoyer, D., Jacobson, L. H., Timmermann, C., Castle, D., Rossell, S. L., Downey, L. A., Pagni, B. A., Galvão-Coelho, N. L., Nutt, D., & Sarris, J. (2023). Default Mode Network Modulation by Psychedelics: A Systematic Review. The international journal of neuropsychopharmacology26(3), 155–188. https://doi.org/10.1093/ijnp/pyac074
  4. Torrado Pacheco, A., Olson, R. J., Garza, G., & Moghaddam, B. (2023). Acute psilocybin enhances cognitive flexibility in rats. bioRxiv : the preprint server for biology, 2023.01.09.523291. https://doi.org/10.1101/2023.01.09.523291
  5. Kometer, M., Schmidt, A., Bachmann, R., Studerus, E., Seifritz, E., & Vollenweider, F. X. (2012). Psilocybin biases facial recognition, goal-directed behavior, and mood state toward positive relative to negative emotions through different serotonergic subreceptors. Biological psychiatry72(11), 898–906. https://doi.org/10.1016/j.biopsych.2012.04.005
  6. Henner, R. L., Keshavan, M. S., & Hill, K. P. (2022). Review of potential psychedelic treatments for PTSD. Journal of the neurological sciences439, 120302. https://doi.org/10.1016/j.jns.2022.120302

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