Abstract: The invention relates to a dosage regimen, method for treating, delivery device or parenteral formulation for use in the treatment of a psychiatric or neurological disorder in a patient. In particular, the invention relates to the administration of a psychedelic agent.

Abstract: The present invention relates to inhalable formulations, and kits and methods suitable for the preparation of such inhalable formulations. The inhalable formulations comprise a freebase of a deuterium-substituted dimethyltryptamine compound. The inhalable formulations also comprise a biocompatible excipient. Such formulations are suitable for inhalation and have uses in the treatment of psychiatric or neurological disorders. Deuterium-substituted dimethyltryptamine compounds may be metabolised more slowly than their protio analogues, allowing for a longer lasting therapeutic effect.

Abstract: The present invention relates to aqueous pharmaceutical formulations, methods for their production, and uses thereof. The aqueous pharmaceutical formulations comprise a salt of an optionally substituted dimethyltryptamine compound and water, with a pH from 5 to 6.5, preferably from about 5 to about 6, and a concentration of the optionally substituted dimethyltryptamine compound of about 10 mg/ml or greater as the freebase equivalent. These formulations can comprise an effective dose of an optionally substituted dimethyltryptamine compound for use in psychedelic assisted therapy within a volume of 5 ml or less. Such formulations are surprisingly suitable both for intramuscular injection and nebulised inhalation, being both stable and clinically acceptable, and have potential uses in the treatment of psychiatric or neurological disorders.

Abstract: The present invention relates to aqueous pharmaceutical formulations, methods for their production, and uses thereof. The aqueous pharmaceutical formulations comprise a salt of an optionally substituted dimethyltryptamine compound and water, with a pH from 5 to 6.5, preferably from about 5 to about 6, and a concentration of the optionally substituted dimethyltryptamine compound of about 10 mg/ml or greater as the freebase equivalent. These formulations can comprise an effective dose of an optionally substituted dimethyltryptamine compound for use in psychedelic assisted therapy within a volume of 5 ml or less. Such formulations are surprisingly suitable both for intramuscular injection and nebulised inhalation, being both stable and clinically acceptable, and have potential uses in the treatment of psychiatric or neurological disorders.

Abstract: The present invention relates to compounds of formula (I) as defined herein, which comprise a greater proportion of deuterium to protium than naturally found in hydrogen; and compositions, including pharmaceutical compositions, comprising these compounds and optionally analogous compounds of formula (I), which are not deuterium-enriched. These compounds and compositions are of use in therapy, in particular in the treatment of psychiatric or neurological disorders. Varying the amounts of the different compounds within the compositions of the invention allows tailoring of the compositions' therapeutic effects. A particularly efficient synthetic method which enables compounds of formula (I) and related compounds of formula (I?) is also provided.

Abstract: The present invention relates to aqueous pharmaceutical formulations, methods for their production, and uses thereof. The aqueous pharmaceutical formulations comprise a salt of an optionally substituted dimethyltryptamine compound and water, with a pH from 5 to 6.5, preferably from about 5 to about 6, and a concentration of the optionally substituted dimethyltryptamine compound of about 10 mg/ml or greater as the freebase equivalent. These formulations can comprise an effective dose of an optionally substituted dimethyltryptamine compound for use in psychedelic assisted therapy within a volume of 5 ml or less. Such formulations are surprisingly suitable both for intramuscular injection and nebulised inhalation, being both stable and clinically acceptable, and have potential uses in the treatment of psychiatric or neurological disorders.

Abstract: The present invention relates to a solid dosage form comprising two or more compounds selected from N,N-dimethyltryptamine and its deuterated analogues and pharmaceutically acceptable salts thereof, and methods of treatment (e.g., of a psychiatric disorder or a neurological disorder) comprising administering the solid dosage form to a patient in need thereof.

Abstract: The invention relates to a combination, combination for use, method for treating, kit, dosage regime, delivery device, method of adjuvant treatment, short-duration psychedelic agent for use, or parenteral formulation for use in the treatment of a psychiatric disorder in a patient. In particular, the invention relates to the administration of a short-duration psychedelic agent in combination with a monoamine antidepressant, such as a selective serotonin reuptake inhibitor (SSRI).

Abstract: The present invention relates to a solid dosage form comprising two or more compounds selected from N,N-dimethyltryptamine and its deuterated analogues and pharmaceutically acceptable salts thereof, and methods of treatment (e.g., of a psychiatric disorder or a neurological disorder) comprising administering the solid dosage form to a patient in need thereof.

Abstract: The present invention relates to inhalable formulations, and kits and methods suitable for the preparation of such inhalable formulations. The inhalable formulations comprise a freebase of a deuterium-substituted dimethyltryptamine compound. The inhalable formulations also comprise a biocompatible excipient. Such formulations are suitable for inhalation and have uses in the treatment of psychiatric or neurological disorders. Deuterium-substituted dimethyltryptamine compounds may be metabolised more slowly than their protio analogues, allowing for a longer lasting therapeutic effect.

Abstract: Described herein are compounds of formula (I) as defined herein, which comprise a greater proportion of deuterium to protium than naturally found in hydrogen; and compositions, including pharmaceutical compositions, comprising these compounds and optionally analogous compounds of formula (I), which are not deuterium-enriched. These compounds and compositions are of use in therapy, in particular in the treatment of psychiatric or neurological disorders. Varying the amounts of the different compounds within the compositions of the invention allows tailoring of the compositions' therapeutic effects. A particularly efficient synthetic method which enables compounds of formula (I) and related compounds of formula (I?) is also provided.

Abstract: The present invention relates to compounds of formula (I) as defined herein, which comprise a greater proportion of deuterium to protium than naturally found in hydrogen; and compositions, including pharmaceutical compositions, comprising these compounds and optionally analogous compounds of formula (I), which are not deuterium-enriched. These compounds and compositions are of use in therapy, in particular in the treatment of psychiatric or neurological disorders. Varying the amounts of the different compounds within the compositions of the invention allows tailoring of the compositions' therapeutic effects. A particularly efficient synthetic method which enables compounds of formula (I) and related compounds of formula (I?) is also provided.

Abstract: The present invention relates to compounds of formula (I) as defined herein, which comprise a greater proportion of deuterium to protium than naturally found in hydrogen; and compositions, including pharmaceutical compositions, comprising these compounds and optionally analogous compounds of formula (I), which are not deuterium-enriched. These compounds and compositions are of use in therapy, in particular in the treatment of psychiatric or neurological disorders. Varying the amounts of the different compounds within the compositions of the invention allows tailoring of the compositions' therapeutic effects. A particularly efficient synthetic method which enables compounds of formula (I) and related compounds of formula (I?) is also provided.

Abstract: The present invention relates to aqueous pharmaceutical formulations, methods for their production, and uses thereof. The aqueous pharmaceutical formulations comprise a salt of an optionally substituted dimethyltryptamine compound and water, with a pH from 5 to 6.5, preferably from about 5 to about 6, and a concentration of the optionally substituted dimethyltryptamine compound of about 10 mg/ml or greater as the freebase equivalent. These formulations can comprise an effective dose of an optionally substituted dimethyltryptamine compound for use in psychedelic assisted therapy within a volume of 5 ml or less. Such formulations are surprisingly suitable both for intramuscular injection and nebulised inhalation, being both stable and clinically acceptable, and have potential uses in the treatment of psychiatric or neurological disorders.

Abstract: Compounds, compositions, methods, and uses are described for therapeutic deuterated N,N-dimethyltryptamine compounds (e.g., a single compound or a plurality of deuterated N,N-dimethyltryptamine compounds) such as N,N-dimethyltryptamine compounds, ?-protio, ?-deutero-N,N-dimethyltryptamine compounds, ?,?-dideutero-N,N-dimethyltryptamine compounds, and pharmaceutically acceptable salts of these compounds. The deuterated N,N-dimethyltryptamine compound may have an increased half-life compared with the half-life of undeuterated N,N-dimethyltryptamine. For example, a deuterated N,N-dimethyltryptamine compound may be used in therapy and have a Formula (I): wherein: the ratio of deuterium:protium in the compound is greater than that found naturally in hydrogen; each R1 is independently selected from H and D; R2 is selected from CH3 and CD3; R3 is selected from CH3 and CD3; each yH is independently selected from H and D, or a pharmaceutically acceptable salt thereof.

Abstract: The present invention relates to compounds of formula (I) as defined herein, which comprise a greater proportion of deuterium to protium than naturally found in hydrogen; and compositions, including pharmaceutical compositions, comprising these compounds and optionally analogous compounds of formula (I), which are not deuterium-enriched. These compounds and compositions are of use in therapy, in particular in the treatment of psychiatric or neurological disorders. Varying the amounts of the different compounds within the compositions of the invention allows tailoring of the compositions' therapeutic effects. A particularly efficient synthetic method which enables compounds of formula (I) and related compounds of formula (I?) is also provided.

Abstract: The present invention relates to compositions comprising compounds of formula I and II. These compositions have uses in the treatment of psychiatric or neurological disorders. Varying the relative amounts of the compounds of formula I and II within the compositions is expected to modulate the therapeutic effect. Related compounds of formula Ill comprise d3-monomethylamino or d6-dimethylamino groups and are useful internal standards for quantifying the amount of a target compound, such as an analogous compound comprising protio-monomethylamino or protio-dimethylamino groups. Thus, the present invention also relates to compounds of formula Ill and their uses as internal standards in assays for quantifying the amount of a target compound in a sample. A method of quantifying the amount of a target compound in a sample by adding a known amount of a compound of formula Ill to the sample is also included.

Abstract: Described herein are compounds of formula (I) as defined herein, which comprise a greater proportion of deuterium to protium than naturally found in hydrogen; and compositions, including pharmaceutical compositions, comprising these compounds and optionally analogous compounds of formula (I), which are not deuterium-enriched. These compounds and compositions are of use in therapy, in particular in the treatment of psychiatric or neurological disorders. Varying the amounts of the different compounds within the compositions of the invention allows tailoring of the compositions' therapeutic effects. A particularly efficient synthetic method which enables compounds of formula (I) and related compounds of formula (I?) is also provided.

Abstract: Compounds, compositions, methods, and uses are described for therapeutic deuterated N,N-dimethyltryptamine compounds (e.g., a single compound or a plurality of deuterated N,N-dimethyltryptamine compounds) such as N,N-dimethyltryptamine compounds, ?-protio, ?-deutero-N,N-dimethyltryptamine compounds, ?,?-dideutero-N,N-dimethyltryptamine compounds, and pharmaceutically acceptable salts of these compounds. The deuterated N,N-dimethyltryptamine compound may have an increased half-life compared with the half-life of undeuterated N,N-dimethyltryptamine. For example, a deuterated N,N-dimethyltryptamine compound may be used in therapy and have a Formula (I): wherein: the ratio of deuterium:protium in the compound is greater than that found naturally in hydrogen; each R1 is independently selected from H and D; R2 is selected from CH3 and CD3; R3 is selected from CH3 and CD3; each yH is independently selected from H and D, or a pharmaceutically acceptable salt thereof.

Abstract: The present invention relates to a solid dosage form comprising two or more compounds selected from N,N-dimethyltryptamine and its deuterated analogues and pharmaceutically acceptable salts thereof, and methods of treatment (e.g., of a psychiatric disorder or a neurological disorder) comprising administering the solid dosage form to a patient in need thereof.