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BMB-202
Serotonergic psychedelic From Wikipedia, the free encyclopedia
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BMB-202 is a serotonin 5-HT2A receptor agonist and psychedelic hallucinogen which is under development for the treatment of depressive disorders and post-traumatic stress disorder (PTSD).[1][2][3][4][5][6] It is taken by mouth.[1] However, BMB-202 has also been evaluated by injection in preclinical studies.[3]
The drug acts as a highly selective full agonist of the serotonin 5-HT2A receptor.[1][2][3][4][5] In terms of EC50 values, it shows 36-fold selectivity for activation of the serotonin 5-HT2A receptor over the serotonin 5-HT2C receptor and 500-fold selectivity for activation of the serotonin 5-HT2A receptor over the serotonin 5-HT2B receptor.[3][5] It has been claimed by its developer to be the most selective serotonin 5-HT2A receptor agonist yet to be discovered or that is currently under development, at least as of September 2024.[6]
BMB-202 induces the head-twitch response (HTR), a behavioral proxy of psychedelic effects, in animals.[3] Hence, it is putatively hallucinogenic in humans.[3] As with other psychedelics like psilocybin, the HTR induced by BMB-202 shows a biphasic or inverted U-shaped dose–response curve.[3] The drug shows a pharmacokinetic profile of high peak levels, rapid metabolic clearance, and a short elimination half-life in animals.[3][5] It is predicted that BMB-202 will have a short half-life of less than 2 hours in humans.[3][5] In relation to this, the drug is described as a "fast-on-fast-off" compound.[6][5] The expected short duration of BMB-202 is analogous to the short duration of dimethyltryptamine (DMT).[7][8] Short-acting psychedelics like DMT and BMB-202 may be more suitable for use in clinical therapeutic settings.[3][8]
BMB-202 is under development by Bright Minds Biosciences.[1][2] As of April 2023, it is in preclinical research for depressive disorders and PTSD.[1][2] The chemical structure of BMB-202 does not yet appear to have been disclosed,[1][2] but it seems that it may be a phenethylamine.[5] In any case, selective serotonin 5-HT2A receptor agonists have been patented by Bright Minds Biosciences in 2023 and 2024.[5][9][10]
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