Classic psychedelics, including lysergic acid diethylamide (LSD), psilocybin, mescaline, N,N-dimethyltryptamine (DMT) and 5-methoxy-N,N-dimethyltryptamine (5-MeO-DMT), are potent psychoactive substances that have been studied for their physiological and psychological effects. However, our understanding of the potential interactions and outcomes when using th...
The desire to find a gold-standard therapy for depression is still ongoing. Developing one universal and effective pharmacotherapy remains troublesome due to the high complexity and variety of symptoms. Over the last decades, the understanding of the mechanism of pathophysiology of depression and its key consequences for brain functioning have undergone sign...
R) agonist, are reported as effective rapid-acting antidepressants. Both compounds increase glutamate signalling and evoke cortical hyperexcitation. S-ketamine induces neurotoxicity especially in the retrosplenial cortex (Olney's lesions). Whether psilocybin produces similar neurotoxic effects has so far not been investigated. We performed an immunohistochem...
ABSTRACT Demand for more efficacious antidepressants, particularly those with a rapid onset of action, has resulted in a reevaluation of psychedelic drugs for their therapeutic potential. Several tryptamines found in psilocybin-containing ‘magic’ mushrooms share chemical similarities with psilocybin, and early work suggests they may also share receptor targe...
BACKGROUND: In clinical studies, psychedelics including psilocybin and D-lysergic acid diethylamide (LSD) demonstrate rapid and persistent antidepressant effects. Since the effective treatment with psychedelics is usually provided with psychotherapy, it is debatable whether their prolonged efficacy can be observed in infrahuman species. Preclinical reports o...
Depression remains one the most commonly diagnosed mental health disorders in the United States. The Food and Drug Administration granted psilocybin breakthrough therapy status four years ago as a possible solution to this pervasive disorder. Since then, psilocybin, and hallucinogens in general, have produced promising results as alternatives to classical an...
Ongoing antidepressant treatment is believed to alter the psychedelic effect of psilocybin, so most psilocybin trials have required withdrawal from antidepressants before enrollment. There has been recent evidence, however, that administration of a selective serotonin reuptake inhibitor (SSRI) does not significantly alter the acute subjective effects of psil...
Mood disorders are recurrent/chronic diseases with variable clinical remission rates. Available antidepressants are not effective in all patients and often show a relevant response latency, with a range of adverse events, including weight gain and sexual dysfunction. Novel rapid agents were developed with the aim of overcoming at least in part these issues. ...
Major depressive disorder (MDD) is a chronic relapsing psychiatric disorder. Conventional antidepressants usually require several weeks of continuous administration to exert clinically significant therapeutic effects, while about two-thirds of the patients are prone to relapse of symptoms or are completely ineffective in antidepressant treatment. The recent ...
Background: Psilocybin is being studied for depression, but little is known about how it interacts with common antidepressants. Limited data suggest that psilocybin’s effects may be diminished by serotonergic antidepressants acutely and even after a medication washout period. Aims: To learn the extent to which antidepressants may diminish the effects of psil...
The COVID-19 pandemic has resulted in a surge in depression cases, a pervasive and debilitating mental illness1. This trend is evident in the increased prescriptions for antidepressants. Depression is a chronic condition that affects a significant proportion of the global population, with ~280 million people, or about 3.8%, suffering from it. As a result, it...
Classic psychedelics, lysergic acid diethylamide, psilocybin, mescaline and N,N-dimethyltryptamine, are potent psychoactive substances that have been studied for their physiological and psychological effects. However, our understanding of the potential interactions and outcomes of using these substances are used in combination with other psychoactive drugs i...
Major depressive disorder presents a substantial global health burden, and at least 30-40% of patients exhibit treatment resistance to antidepressants. Ketamine, an NMDA receptor antagonist, is used as an anesthetic agent. In 2019, the U.S. Food and Drug Administration (FDA) approved esketamine (the S-enantiomer of ketamine) as a therapeutic agent for treatm...
Depression is a major public health concern. Unfortunately, the present antidepressants often are insufficiently effective, whilst the discovery of more effective antidepressants has been extremely sluggish. The objective of this review was to combine the literature on depression with the pharmacology of antidepressant compounds, in order to formulate a conc...
One in three adults with major depressive disorder (MDD) do not experience clinically significant improvement after multiple sequential courses of antidepressants and have treatment-resistant depression (TRD). The presence of TRD contributes to the morbidity and excess mortality associated with MDD and has been linked to significantly increased health care e...
ObjectiveTo assess the role of psychedelics in the treatment of anxiety or depression among patients with cancer.Data sourcesPubMed search from inception to March 11, 2022, using the terms anxiety, depression, psychedelics, psilocybin, lysergic acid, methylenedioxymethamphetamine, or ayahuasca.Study selection and data extractionStudies assessing patients wit...
Imaging studies of treatment-resistant depression (TRD) have examined brain activity, structure, and metabolite concentrations to identify critical areas of investigation in TRD as well as potential targets for treatment interventions. This chapter provides an overview of the main findings of studies using three imaging modalities: structural magnetic resona...
Mental health disorders such as depression and anxiety are major contributors to the overall global health burden. COVID-19 has further aggravated mental health disorders and also increased substance abuse due to lockdowns1. The Global Burden of Disease reported that the pandemic has led to a 27.6% increase in cases of major depressive disorder (MDD) and a 2...
AimsThis paper aims to investigate the advances in recent years in the recognition and therapy of treatment-resistant depression starting from the concepts of: depressive disorder, resistance and pseudoresistance to drug treatment in depression, and appropriate treatments of treatment-resistant depression.MethodsAn extensive research was carried out on scien...
