Abstract: The disclosure provides new, stable, pharmaceutically acceptable hydrochloride salt forms of 1-(4-fluoro-phenyl)-4-((6bR,10aS)-3-methyl-2,3,6b,9,10,10a-hexahydro-1H,7H -pyrido[3?,4?:4,5]pyrrolo[1,2,3-de]quinoxalin-8-yl)-butan-1-one, together with methods of making and using them, and pharmaceutical compositions comprising them.

Abstract: This invention relates to particular substituted heterocycle fused gamma-carbolines, their prodrugs, in free, solid, pharmaceutically acceptable salt and/or substantially pure form as described herein, pharmaceutical compositions thereof, and methods of use in the treatment of diseases involving 5-HT2A receptor, serotonin transporter (SERT) and/or pathways involving dopamine D1/D2 receptor signaling systems, and/or the treatment of residual symptoms.

Abstract: The invention relates to pharmaceutical compositions comprising compounds of Formula Q: wherein W is —N(CH3)—, and Y is —C(O)—, in free base or pharmaceutically acceptable salt form, and methods of use in the treatment of diseases involving 5-HT2A receptor, serotonin transporter (SERT) pathway and/or the dopamine D2 receptor pathway, and methods of treating conditions of the central nervous system therewith.

Abstract: The invention relates to pharmaceutical compositions comprising compounds of Formula Q: wherein W is —N(CH3)—, and Y is —CH(OH)—, in free base or pharmaceutically acceptable salt form, and methods of use in the treatment of diseases involving 5-HT2A receptor, serotonin transporter (SERT) pathway and/or the dopamine D2 receptor pathway, and methods of treating conditions of the central nervous system therewith.

Abstract: The present invention provides methods for the preparation of substituted heterocycle fused gamma-carbolines, such as the compound of Formula 2J, as shown below, intermediates useful in producing them and methods for producing such intermediates and such heterocycle fused gamma-carbolines, and as further defined herein.

Abstract: The disclosure provides methods for the acute treatment of depression and/or anxiety, for the enhancement of mTOR (e.g., mTORC1) signaling, and for the reduction of neuroinflammation, comprising administering to a patient in need thereof, a therapeutically effective amount of a 5-HT2A/mu-opioid receptor or 5-HT2A/D1 and/or D2/mu-opioid receptor ligand.

Abstract: The disclosure provides methods for the acute treatment of depression and/or anxiety, for the enhancement of mTOR (e.g., mTORC1) signaling, and for the reduction of neuroinflammation, comprising administering to a patient in need thereof, a therapeutically effective amount of a 5-HT2A or 5-HT2A/D2 receptor ligand, e.g. lumateperone.

Abstract: The disclosure provides methods, treatments and materials for enhancing the effect of an adenosine A2 receptor agonist in the treatment, mitigation or prophylaxis of a disease or condition characterized by inotropic and/or lusitropic dysfunction, and/or enhancing adenosine A2 receptor function in the treatment, mitigation or prophylaxis of a disease or condition characterized by impaired adenosine A2 receptor function, comprising administration of an effective amount of a PDE1 inhibitor to a patient in need thereof, for example a patient suffering from heart failure.

Abstract: The invention relates to pharmaceutical compositions comprising, compounds of Formula Q: wherein W is —N(H)—, or —N(CH3)—, and Y is —C(?O)— or —O—, in free base or pharmaceutically acceptable salt form, and methods of use in the treatment of diseases involving 5-HT2A receptor, serotonin transporter (SERT) pathway and/or the dopamine D2 receptor pathway, and methods of treating conditions of the central nervous system therewith.

Abstract: This invention relates to particular substituted heterocycle fused gamma-carbolines, their prodrugs, in free, solid, pharmaceutically acceptable salt and/or substantially pure form as described herein, pharmaceutical compositions thereof, and methods of use in the treatment of diseases involving 5-HT2A receptor, serotonin transporter (SERT) and/or pathways involving dopamine D1/D2 receptor signaling systems, and/or the treatment of residual symptoms.

Abstract: The subject matter generally relates to methods of treatment and/or prophylaxis of CNS diseases, disorders, and/or injuries. In one aspect, the subject matter relates to inhibitors of phosphodiesterase 1 (PDE1) as neuroprotective agents and/or neural regenerative agents. In a further aspect, the subject matter relates to individuals that are at risk for the development of CNS disease or disorder.

Abstract: The disclosure relates to compounds and methods of treatment relating to nicotinic receptor antagonists. For example, the compounds and methods of treatment function block the activity of certain acetylcholine receptors and subtypes therein, and are useful treating diseases and conditions mediated by nicotinic receptor stimulation, e.g., diabetes mellitus, chronic kidney disease, acute kidney failure, and reduction of blood glucose levels.

Abstract: The disclosure provides new, stable, pharmaceutically acceptable hydrochloride salt forms of 1-(4-fluoro-phenyl)-4-((6bR,10aS)-3-methyl-2,3,6b,9,10,10a-hexahydro-1H,7H-pyrido[3?,4?:4,5]pyrrolo[1,2,3-de]quinoxalin-8-yl)-butan-1-one, together with methods of making and using them, and pharmaceutical compositions comprising them.

Abstract: The disclosure provides the administration of inhibitors of phosphodiesterase 1 (PDE1) for the treatment and prophylaxis of diseases or disorders characterized by inflammation, e.g., neuroinflammation, including methods of treatment and pharmaceutical compositions for use therein.

Abstract: The invention relates to the combination of inhibitors of phosphodiesterase 1 (PDE1) and inhibitors of Neprilysin (NEP) useful for the treatment of certain cardiovascular diseases or related disorders, e.g., hypertension, congestive heart disease, and post-myocardial infarction. In another embodiment, the invention relates to the combination of inhibitors of PDE1 and inhibitors of NEP for the treatment of diseases or disorders characterized by disruption of or damage to various cGMP/PKG mediated pathways in the cardiovascular system (e.g., in cardiac tissue or in arterial smooth muscle).

Abstract: The present invention provides methods for the preparation of certain optionally substituted heterocycle fused gamma-carbolines of Formula 2F, as shown below and as further defined herein:

Abstract: The disclosure provides the use of particular substituted heterocycle fused gamma-carboline compounds as pharmaceuticals for the treatment of residual symptoms of psychosis or schizophrenia. The disclosure also provides novel long acting injectable formulations of particular substituted heterocycle fused gamma-carboline compounds and use of such long acting injectable formulations for the treatment of residual symptoms of psychosis or schizophrenia.

Abstract: The disclosure provides the use of particular substituted heterocycle fused gamma-carboline compounds as pharmaceuticals for the treatment of residual symptoms of psychosis or schizophrenia. The disclosure also provides novel long acting injectable formulations of particular substituted heterocycle fused gamma-carboline compounds and use of such long acting injectable formulations for the treatment of residual symptoms of psychosis or schizophrenia.

Abstract: The disclosure provides the use of particular substituted heterocycle fused gamma-carboline compounds as pharmaceuticals for the treatment of residual symptoms of psychosis or schizophrenia. The disclosure also provides novel long acting injectable formulations of particular substituted heterocycle fused gamma-carboline compounds and use of such long acting injectable formulations for the treatment of residual symptoms of psychosis or schizophrenia.

Abstract: The present invention relates to toluenesulfonic acid addition salt crystals of 4-((6bR,10aS)-3-methyl-2,3,6b,9,10,10a-hexahydro-1H-pyrido[3?,4?: 4,5]pyrrolo[1,2,3 -de]quinoxalin-8(7H)-yl)-1-(4-fluorophenyl)-1-butanone, and methods of using such crystals as 5-hydroxytryptamine 2 receptor agonists and antagonists in treating disorders of the central nervous system.