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Introduction: Mental disorders are common and still growing problem around the globe. Significantly decreasing quality of life, they are often source of true suffering for patients and their families leading to further health issues or even dramatic outcomes resulting in death. As public awareness rises, more and more people understand risks and tend to look for help as fast as possible. Currently available treatment methods are not always efficient enough to deal with more complex cases. Therefore it is important to look for new therapy options incrementing chances of fast and successful treatment. Results: Studies showed that psilocybin is not only able to lower depression and anxiety scores in patients with major depressive disorders or with serious life-threatening conditions but also proved this effect to be long-lasting. At the same time, no or little adverse side effects were noticed. Conclusions: Psilocybin is potentially a good method for depression treatment in some groups of patients. It should be considered if other, better known therapies show little or no effects.

Introduction and purpose: Nowadays, when mental disorders are considered by the World Health Organisation as a global burden, the potential usage of psychedelic drugs as supportive therapy is gaining more attention worldwide. The aim of this paper is to summarize the usefulness of psilocybin - representative of psychedelics - in psychiatric venues. In this review we describe its properties, efficacy and adverse events in treating depression, trauma and obsessive-compulsive disorders. Brief description of the state of knowledge: Psilocybin demonstrates a safety profile which does not differ from standard drugs used in therapies of psychiatric disorders. Positive results of its administration were noticed on different psychiatric scales and are considered as clinically meaningful. With depression being the most common mental disease and growing demand for new remedies, most of the conducted research is concentrated on this subject, but there is also some evidence of its purpose in the treatment of trauma and obsessive-compulsive disorders. Conclusions: Psilocybin merits further research as foregoing results of conducted studies are pointing to its efficacy. Psychedelic-assisted therapies may create noteworthy opportunities to current matter in the standard treatment of psychiatric disorders and there is a possibility that in the future in some cases they will be considered as the first line treatment. Nevertheless, still more data is needed to determine its placement in the treatments.

In this review paper, we delve into the potential applicability of psilocybin - a naturally synthesized psychedelic substance found within select species of fungi, as a prospective avenue for depression treatment. Depression, a widespread psychological malady affecting countless individuals across the globe, often proves stubborn against existing treatment modalities, necessitating exploration into new options. The spotlight has increasingly been cast on psilocybin, thanks to its promising therapeutic capacities for a spectrum of mental health disorders, notably including depression. This article dissects the operational mechanisms of psilocybin, referencing germane clinical trials, and weighing the prospective risks and rewards related to its usage. Pooled findings from an array of clinical studies hint at the possibility of psilocybin furnishing swift and lasting advantages for managing depression and similar disorders. Trial participants who underwent a combined regimen of psilocybin and psychotherapy recorded enduring alleviation in their anxiety and depressive symptoms. Psilocybin has been observed to trigger modifications in neural activity, predominantly in the brain's default mode network (DMN) and the prefrontal cortex (PFC). These alterations have been correlated with a decrease in self-oriented cognitive processes, an uptick in positive emotional states, and the facilitation of neuroplasticity. When compared with standard antidepressant medications, the symptomatic improvements seen with psilocybin were largely equivalent. Preclinical investigations have also underlined psilocybin's potential in augmenting neural plasticity and neurogenesis, thus hinting at its possible utility in the fields of neurosurgery and neurooncology.

Major depression disorder is an entity with high prevalence and worldwide impact. Current treatments present a non-response rate of 15-30%, and certain adverse effects are seen like apathy syndrome and lack of emotional response. It is stated that the treatment with psilocybin fungi allows the possibility of dose reduction and suspension of classic psychotropic drugs and entails changes on an emotional and behavioral level that result benefic in patients with major depressive syndrome. We present a case of a 19 years old patient with major depressive syndrome diagnosis. Accompaniment and patient advice was made appealing to the right of autonomy, on the psilocybin microdose self-administration process, aiming to reducing health risks and potentiate probable beneficial effects, with weekly evaluations, for a period of 7 months; using clinical anamnesis, laboratory tests and the Hamilton depression scale. As a result of this intervention, a symptomatic complete remission was proven, alongside with the suspension of conventional pharmacological treatment without discontinuation symptoms and improvements at the communicational level, social interaction and general well-being. These findings support the idea that psilocybin microdose treatments are promising tools in depression treatments. Scientific studies are needed in order to certify these findings., (CC BY NC ND)

Traditional psychedelics, such as LSD, psilocybin, or DMT, are psychoactive compounds that exert their effects mainly through agonism over serotonergic receptors. In appropriate doses and contexts, they produce profound changes in the subjective experience, configuring altered states of consciousness that, upon reaching a critical point, involve the appearance of phenomena of mystical, transcendental, or ego dissolution experiences. These events are associated with diverse therapeutic effects in several mental conditions. Psychedelics are safe substances, with minimal risk of serious or long-lasting adverse effects and without addictive potential. Current evidence comes from systematic reviews and meta-analyses based on phase II clinical studies, with small groups of subjects, strict exclusion criteria, and difficulties in applying the double-blind methodology. Worldwide there is a growing number of clinical trials, which seek to promote the approval of psychedelic-assisted therapies as therapeutic tools in the coming years. In this bibliographic review, we will address the phenomenological characteristics of the psychedelic experience, its potential therapeutic uses, and the mechanisms that underlie them., Competing Interests: The authors have no conflicts of interest to declare, (CC BY NC ND)