Research Keyword: 5-HT2A receptor

Direct comparison of the acute effects of lysergic acid diethylamide and psilocybin in a double-blind placebo-controlled study in healthy subjects

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This study directly compared two popular psychedelic drugs, LSD and psilocybin (magic mushrooms), in 28 healthy volunteers. Researchers found that these substances produce very similar mental effects when given at equivalent doses, with the main difference being that LSD lasts longer. The study establishes that about 20 milligrams of psilocybin is roughly equivalent to 100 micrograms of LSD. These findings could help guide dosing for future psychiatric treatments using these psychedelics.

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Toxicology and Analysis of Psychoactive Tryptamines

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Tryptamines are a growing class of psychoactive drugs that can cause hallucinations and other dramatic changes in perception. These substances, including compounds like DMT and psilocybin from magic mushrooms, work by affecting serotonin receptors in the brain. While some research explores their potential medical use for treating depression and anxiety, they also carry serious risks including dangerous changes in heart rate, body temperature, and mental state. Scientists have developed new laboratory methods to detect these drugs in blood and urine samples to help doctors diagnose and treat overdoses.

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Psychedelic-assisted psychotherapy: The need to monitor adverse events

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While psychedelics show promise for treating depression and other mental health conditions, researchers need better systems to monitor and report any harmful effects they might cause. This paper calls for more careful, consistent tracking of both physical changes (like blood pressure) and psychological experiences during psychedelic therapy. The authors emphasize that safety monitoring should continue even after patients leave the clinic and that women may experience different side effects than men.

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Identification of 5-HT2A receptor signaling pathways associated with psychedelic potential

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Scientists discovered that psychedelic drugs work by activating a specific signaling pathway in the brain called the 5-HT2A-Gq pathway. By creating new drug-like molecules, they found that drugs need to strongly activate this particular pathway to produce psychedelic effects like hallucinations. This discovery could help researchers design new psychiatric medicines that have therapeutic benefits without the hallucinogenic side effects that worry doctors and patients.

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