Abstract: Crystalline forms of 4-acetoxy-N,N-dimethyltryptamine (psilacetin), compositions containing that crystalline form, and their methods of use are disclosed. The crystalline forms of 4-acetoxy-N,N-dimethyltryptamine (psilacetin) according to the disclosure include crystalline 4-acetoxy-N,N-dimethyltryptammonium hydrofumarate, the fumarate salt of psilacetin, and/or crystalline bis(4-acetoxy-N,N-dimethyltryptammonium) fumarate, and pharmaceutical compositions containing a crystalline form of psilacetin.

Abstract: Crystalline N-methyl tryptamine derivatives, compositions containing those crystalline forms and their methods of use are disclosed. The crystalline N-methyl tryptamine derivatives according to the invention include crystalline N-methyl-N-propyltryptamine (MPT), crystalline N-methyl-N-isopropyltryptammonium fumarate (MiPT fumarate) and crystalline 4-hydroxy-N-methyl-N-isopropyltryptammonium fumarate monohydrate (HO-MiPT fumarate monohydrate).

Abstract: The disclosure relates to a compound of formula (I): This disclosure also relates to a compound for formula (II): This disclosure also relates to a compound of formula (III): The disclosure also relates to crystalline compounds of formula (I), (II), or (III). The disclosure relates to compositions comprising, consisting essentially of, or consisting of a compound of formula (I), (II), or (III) and an excipient. The disclosure also relates to pharmaceutical compositions comprising a therapeutically effective amount of a compound of formula (I), (II), or (III) where the excipient is a pharmaceutically acceptable carrier. The disclosure further relates to therapeutic uses of compounds of formula (I), (II), or (III).

Abstract: Disclosed herein are compositions comprising a serotonergic tryptamine compound, combinations thereof, and methods of using them for treating and preventing a variety of human conditions. In one embodiment, disclosed herein are new compositions and methods which comprise a therapeutically effective amount of a first purified psilocybin derivative and a therapeutically effective amount of a second compound. The second compound is selected from the group consisting of a second purified psilocybin derivative, a purified terpene, a serotonergic drug, an adrenergic drug, a dopaminergic drug, a purified erinacine, and a purified hericenone.

Abstract: This disclosure pertains to new compositions and methods comprising a first serotonergic drug and a second serotonergic drug. In one embodiment, the compositions disclosed herein are used for a method of regulating a neurotransmitter receptor, e.g., a serotonin receptor. In one embodiment, the compositions disclosed herein comprise purified compounds, e.g., a purified psilocybin derivative, a purified cannabinoid, a purified terpene, a purified tryptamine, purified LSD, and/or purified MDMA.

Abstract: Disclosed herein are compositions comprising a serotonergic tryptamine compound, combinations thereof, and methods of using them for treating and preventing a variety of human conditions. In one embodiment, disclosed herein are new compositions and methods which comprise a therapeutically effective amount of a first purified psilocybin derivative and a therapeutically effective amount of a second compound. The second compound is selected from the group consisting of a second purified psilocybin derivative, a purified terpene, a serotonergic drug, an adrenergic drug, a dopaminergic drug, a purified erinacine, and a purified hericenone.