Abstract: A composition of a compound represented by FIGS. 1A-1E for use in treating a medical disorder. A method of changing neurotransmission, by administering a pharmaceutically effective amount of composition to a mammal of a compound represented by FIGS. 1A-1E and inducing psychoactive effects in the mammal. A method of treating a patient having adverse reactions to psychedelics or entactogens, by administering a pharmaceutically effective amount of composition to the patient of a compound represented by FIGS. 1A-1E and avoiding adverse effects present with psychedelics or entactogens.

Abstract: A composition of a compound represented by FIGS. 1A-1E for use in substance-assisted therapy. A method of changing neurotransmission, by administering a pharmaceutically effective amount of a compound of FIGS. 1A-1E to a mammal, interacting with serotonin 5-HT2A receptors in the mammal, and inducing psychoactive effects. A method of treating a patient having adverse reactions to psychedelics by administering 4-alkenyl and 4-alkynyl phenethylamine derivatives and related compounds as represented in FIGS. 1A-1E to the patient, and avoiding adverse effects present with psychedelics. A method of changing neurotransmission of an individual, by administering 4-alkenyl and 4-alkynyl phenethylamine derivatives and related compounds as represented in FIGS. 1A-1E and changing neurotransmission in the individual.

Abstract: A method of synthesizing a pharmacological compound substance by attaching a psychoactive base substance to an amino acid and creating a prodrug with modified pharmacological behavior. A prodrug made by the method. A pharmaceutical composition comprising a prodrug of a psychoactive base substance attached to an amino acid and a pharmaceutically acceptable salt.

Abstract: A method of synthesizing a pharmacological compound substance by attaching a psychoactive base substance to an amino acid and creating a prodrug with modified pharmacological behavior. A prodrug made by the method. A pharmaceutical composition comprising a prodrug of a psychoactive base substance attached to an amino acid and a pharmaceutically acceptable salt.

Abstract: A composition of a compound represented generically by FIG. 1A for use in substance-assisted therapy. A method of changing neurotransmission, by administering a pharmaceutically effective amount of a compound of FIG. 1A to a mammal, interacting with serotonin 5-HT2A receptors in the mammal, in particular also human beings, and inducing psychoactive effects. A method of treating an individual, by administering a pharmaceutically effective amount of a compound of FIG. 1A to the individual and treating the individual.

Abstract: A compound including a prodrug having a psychoactive base substance attached to an amino acid. A method of treating an individual, especially in substance-assisted psychotherapy, by administering proMDMA or a proMDMA-like compound to the individual, metabolizing the prodrug, and releasing the MDMA or MDMA-like substance in the individual. A method of reducing anxiety while administering MDMA, by providing a slow release of MDMA or an MDMA-like substance and thereby reducing anxiety in the individual at the onset of administration. A method of personalized medicine, by evaluating an individual and determining if there are characteristics of the individual present that would not be suitable for MDMA treatment and administering proMDMA or a proMDMA-like substance to the individual. A method of reducing abuse of MDMA, by administering proMDMA or a proMDMA-like substance, and providing a delayed and attenuated effect of MDMA or a MDMA-like substance, thereby reducing abuse.

Abstract: A composition of a compound represented by FIG. 1 for use in substance-assisted therapy. A method of changing neurotransmission, by administering a pharmaceutically effective amount of a compound of FIG. 1 to a mammal, interacting with serotonin 5-HT2A receptors in the mammal, in particular also human beings, and inducing psychoactive effects. A method of treating a patient having adverse reactions to psychedelics by administering a desoxyscaline derivative to the patient, and avoiding adverse effects present with psychedelics. A method of changing neurotransmission of an individual, by administering a desoxyscaline derivative, and changing neurotransmission in the individual.

Abstract: A compound including a prodrug having a psychoactive base substance attached to an amino acid. A method of treating an individual, by administering proMDMA, a proMDMA-like compound, or proR(-)MDMA to the individual, metabolizing the prodrug, and releasing the MDMA or MDMA-like substance in the individual. A method of reducing anxiety while administering MDMA, by providing a slow release of MDMA, an MDMA-like substance or R(-)MDMA thereby reducing anxiety in the individual at the onset of administration. A method of personalized medicine, by evaluating an individual and determining if there are characteristics present that would not be suitable for MDMA treatment and administering proMDMA, a proMDMA-like substance, or proR(-)MDMA to the individual. A method of reducing abuse of MDMA, by administering proMDMA, a proMDMA-like substance, or proR(-)MDMA, and providing a delayed and attenuated effect of MDMA or a MDMA-like substance, thereby reducing abuse.

Abstract: A composition for use in substance-assisted therapy, wherein: R is hydrogen, methyl, or ethyl, and R? is C1-C5 branched or unbranched alkyl with the alkyl optionally substituted with F1-F5 fluorine substituents up to a fully fluorinated alkyl, C3-C6 cycloalkyl optionally and independently substituted with one or more substituents such as F1-F5 fluorine and/or C1 - C2 alkyl, (C3-C6 cycloalkyl)-C1-C2 branched or unbranched alkyl optionally substituted with one or more substituents such as F1-F5 fluorine and/or C1-C2 alkyl, or C2-C5 branched or unbranched alkenyl with E or Z vinylic, cis or trans allylic, E or Zallylic or other double bond position in relation to the attached ether function, where any of the carbons of the branched or unbranched alkenyl substituent is optionally substituted independently with one or more C1-C2 alkyl, with F1-F5 fluorine or with D1-D5 deuteron substituents.

Abstract: A composition of a compound represented by FIG. 1 for use in substance-assisted therapy. A method of changing neurotransmission, by administering a pharmaceutically effective amount of a compound of FIG. 1 to a mammal, interacting with serotonin 5-HT2A receptors in the mammal, in particular also human beings, and inducing psychoactive effects. A method of treating a patient having adverse reactions to psychedelics by administering a desoxyscaline derivative to the patient, and avoiding adverse effects present with psychedelics. A method of changing neurotransmission of an individual, by administering a desoxyscaline derivative, and changing neurotransmission in the individual.

Abstract: A composition for use in substance-assisted therapy, wherein: R is hydrogen, methyl, or ethyl, and R? is C1-C5 branched or unbranched alkyl with the alkyl optionally substituted with F1-F5 fluorine substituents up to a fully fluorinated alkyl, C3-C6 cycloalkyl optionally and independently substituted with one or more substituents such as F1-F5 fluorine and/or C1-C2 alkyl, (C3-C6 cycloalkyl)-C1-C2 branched or unbranched alkyl optionally substituted with one or more substituents such as F1-F5 fluorine and/or C1-C2 alkyl, or C2-C5 branched or unbranched alkenyl with E or Z vinylic, cis or trans allylic, E or Z allylic or other double bond position in relation to the attached ether function, where any of the carbons of the branched or unbranched alkenyl substituent is optionally substituted independently with one or more C1-C2 alkyl, with F1-F5 fluorine or with D1-D5 deuteron substituents.

Abstract: A method of synthesizing a pharmacological compound substance by attaching a psychoactive base substance to an amino acid and creating a prodrug with modified pharmacological behavior. A prodrug made by the method. A pharmaceutical composition comprising a prodrug of a psychoactive base substance attached to an amino acid and a pharmaceutically acceptable salt.

Abstract: A composition for use in substance-assisted therapy, wherein: R is hydrogen, methyl, or ethyl, and R? is C1-C5 branched or unbranched alkyl with the alkyl optionally substituted with F1-F5 fluorine substituents up to a fully fluorinated alkyl, C3-C6 cycloalkyl optionally and independently substituted with one or more substituents such as F1-F5 fluorine and/or C1-C2 alkyl, (C3-C6 cycloalkyl)-C1-C2 branched or unbranched alkyl optionally substituted with one or more substituents such as F1-F5 fluorine and/or C1-C2 alkyl, or C2-C5 branched or unbranched alkenyl with E or Z vinylic, cis or trans allylic, E or Z allylic or other double bond position in relation to the attached ether function, where any of the carbons of the branched or unbranched alkenyl substituent is optionally substituted independently with one or more C1-C2 alkyl, with F1-F5 fluorine or with D1-D5 deuteron substituents.

Abstract: A compound including a prodrug having a psychoactive base substance attached to an amino acid. A method of treating an individual, especially in substance-assisted psychotherapy, by administering proMDMA or a proMDMA-like compound to the individual, metabolizing the prodrug, and releasing the MDMA or MDMA-like substance in the individual. A method of reducing anxiety while administering MDMA, by providing a slow release of MDMA or an MDMA-like substance and thereby reducing anxiety in the individual at the onset of administration. A method of personalized medicine, by evaluating an individual and determining if there are characteristics of the individual present that would not be suitable for MDMA treatment and administering proMDMA or a proMDMA-like substance to the individual. A method of reducing abuse of MDMA, by administering proMDMA or a proMDMA-like substance, and providing a delayed and attenuated effect of MDMA or a MDMA-like substance, thereby reducing abuse.

Abstract: The invention relates to novel 2-aza-bicyclo[3.1.0]hexane derivatives of Formula (I) wherein A, B, n and R1 are as described in the description, and to the use of such compounds, or of pharmaceutically acceptable salts of such compounds, as medicaments, especially as orexin receptor antagonists.

Abstract: The invention relates to 2-aza-bicyclo[3.3.0]octane derivatives of Formula (I) wherein A, B, and R1 are as described in the description, and to the use of such compounds, or of pharmaceutically acceptable salts of such compounds, as medicaments, especially as orexin receptor antagonists.

Abstract: The invention relates to novel 2-aza-bicyclo[2.2.1]heptane derivatives of formula (I), wherein A, B, n and R1 are as described in the description, and to the use of such compounds, or of pharmaceutically acceptable salts of such compounds, as medicaments, especially as orexin receptor antagonists.

Abstract: The invention relates to novel trans-3-aza-bicyclo[3.1.0]hexane derivatives of formula (I), wherein A, B, n and R1 are as described in the description, and to the use of such compounds, or of pharmaceutically acceptable salts of such compounds, as medicaments, especially as orexin receptor antagonists.

Abstract: The invention relates to novel phenethylamide derivatives and their wherein A, B, R1, R2 and R3 are as described in the application, and to the use of such compounds, or of pharmaceutically acceptable salts of such compounds, as medicaments, especially as orexin receptor antagonists.

Abstract: The invention relates to novel 2-aza-bicyclo[3.1.0]hexane derivatives of Formula (I) wherein A, B, n and R1 are as described in the description, and to the use of such compounds, or of pharmaceutically acceptable salts of such compounds, as medicaments, especially as orexin receptor antagonists.