post-traumatic stress disorder – Page 2

Novel psychedelic interventions for post-traumatic stress disorder and their promise for precision medicine

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This review examines how psychedelic drugs like ketamine, MDMA, and psilocybin could offer new hope for people with PTSD by working on the brain differently than current medications. These compounds work quickly and help the brain form new neural connections that can help people process traumatic memories more effectively. When combined with therapy, these drugs show promise in reducing PTSD symptoms faster and more effectively than traditional antidepressants. The review also explains how doctors could use personalized medicine approaches using brain scans and genetic testing to determine which treatment would work best for each individual patient.

Serotonin 5-HT2A receptor expression is chronically decreased in the anterior cerebral cortex of male rats following repetitive low-level blast exposure

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Military Veterans exposed to blast explosions often develop long-term problems with memory, anxiety, and PTSD. Researchers found that in rats exposed to blast, a brain receptor called 5-HT2A becomes less active, particularly in the front part of the brain involved in thinking and emotions. This decrease in the receptor correlates with anxiety-like behaviors in the animals. Since psychedelic substances like psilocybin activate this same receptor, the findings suggest that such substances might help treat PTSD and cognitive problems in blast-injured Veterans.

Mushrooms, Microdosing, and Mental Illness: The Effect of Psilocybin on Neurotransmitters, Neuroinflammation, and Neuroplasticity

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This review examines how psilocybin, the active compound in certain mushrooms, may help treat depression and anxiety by reducing brain inflammation and promoting healthy neurotransmitter function. Both full doses under medical supervision and smaller ‘microdoses’ show promise for mental health conditions. The research suggests psilocybin works by calming the immune system’s inflammatory response while simultaneously supporting the brain’s natural healing and adaptation processes, offering a potential alternative treatment when standard medications don’t work.

Meta-correlation of the effect of ketamine and psilocybin induced subjective effects on therapeutic outcome

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This study examined whether the psychological experiences people have while taking ketamine or psilocybin—such as feeling disconnected or having spiritual insights—are actually responsible for their mental health improvements. Researchers analyzed 23 studies and found that these subjective experiences explain about 10% of ketamine’s benefits and 24% of psilocybin’s benefits. Psilocybin’s effects appear more connected to therapeutic outcomes than ketamine’s, and both drugs showed stronger connections between subjective effects and treatment success in substance use disorder compared to depression.

Biological markers of treatment response to serotonergic psychedelic therapies: a systematic review

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This review examines how scientists can predict which patients will benefit most from psychedelic-assisted therapy for depression by measuring biological markers in the brain and blood. Researchers found that certain brain changes and protein levels—particularly involving the amygdala, specific brain regions, and inflammation markers—appear linked to treatment success. While the current studies are small, they suggest that measuring these biological markers could eventually help doctors personalize psychedelic treatments for depression.

Development of the Japanese version of the Challenging Experience Questionnaire

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Researchers have translated an important measurement tool called the Challenging Experience Questionnaire into Japanese. This tool helps doctors and researchers measure difficult feelings like fear and anxiety that people sometimes experience when taking psilocybin mushrooms as part of therapy. Having this questionnaire available in Japanese is important because it allows Japanese patients and researchers to participate in psychedelic research and understand these experiences better.

Changes in synaptic markers after administration of ketamine or psychedelics: a systematic scoping review

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This review examines how ketamine and psychedelics affect connections between brain cells. Under stressful conditions, ketamine and psychedelics appear to strengthen these connections in brain areas important for mood and learning. However, the effects are mixed under normal conditions and vary based on dose, sex, and which specific markers are measured. The findings suggest these substances may help restore brain function damaged by stress or substance use.

Ethical Considerations Regarding Psychedelics for Clinical Pain Research

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This paper examines the ethical considerations necessary when conducting research on psychedelics like psilocybin for treating chronic pain. With chronic pain affecting millions of Americans and traditional treatments like opioids causing significant problems, researchers are exploring psychedelics as alternatives. The authors provide guidance on obtaining proper informed consent, protecting vulnerable patients, managing regulatory requirements, and ensuring research benefits participants while following four key ethical principles: autonomy, beneficence, justice, and avoiding harm.

4-Hydroxy-N,N-diisopropyltryptammonium hydrofumarate: Crystal Structure of a Synthetic Psychedelic

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Scientists have determined the three-dimensional crystal structure of 4-HO-DiPT, a synthetic compound related to psilocin found in magic mushrooms. This is the first crystal structure of this specific compound and provides important structural information for understanding how it works. A related version of this compound is currently being tested in clinical trials for treating postpartum depression and other mood disorders.

Psychedelic Mushrooms in the USA: Knowledge, Patterns of Use, and Association With Health Outcomes

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This study surveyed over 250 million representative American adults about their use of psychedelic mushrooms. Researchers found that about 1.7% of US adults used psychedelic mushrooms in the past year, primarily for general mental health and well-being. Interestingly, those who used them reported higher levels of depression and anxiety, suggesting people with mental health challenges may be self-treating with mushrooms. The findings highlight the need for evidence-based guidelines as more Americans explore psychedelics for health purposes.

Disease: post-traumatic stress disorder