Abstract: The invention relates to particular prodrugs of substituted heterocycle fused gamma-carbolines, 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 the 5-HT2A receptor, the serotonin transporter (SERT), pathways involving the dopamine D1 and D2 receptor signaling system, and/or the ?-opioid receptor.

Abstract: The invention relates to particular prodrugs of substituted heterocycle fused gamma-carbolines, 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 the 5-HT2A receptor, the serotonin transporter (SERT), pathways involving the dopamine D1 and D2 receptor signaling system, and/or the ?-opioid receptor.

Abstract: The invention relates to particular prodrugs of substituted heterocycle fused gamma-carbolines, 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 the 5-HT2A receptor, the serotonin transporter (SERT), pathways involving the dopamine D1 and D2 receptor signaling system, and/or the ?-opioid receptor.

Abstract: The invention relates to particular prodrugs of substituted heterocycle fused gamma-carbolines, 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 the 5-HT2A receptor, the serotonin transporter (SERT), pathways involving the dopamine D1 and D2 receptor signaling system, and/or the ?-opioid receptor.

Abstract: The present disclosure relates to novel PDE2 inhibitory compounds of Formula I as described herein, their use as pharmaceuticals and pharmaceutical compositions comprising them.

Abstract: Please add the following heading and paragraph on a separate sheet, after the claims: The invention relates to particular substituted heterocycle fused gamma-carbolines, 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 the 5-HT2A receptor, the serotonin transporter (SERT), pathways involving the dopamine D1 and D2 receptor signaling system, and/or the ?-opioid receptor.

Abstract: The invention relates to particular prodrugs of substituted heterocycle fused gamma-carbolines, 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 the 5-HT2A receptor, the serotonin transporter (SERT), pathways involving the dopamine D1 and D2 receptor signaling system, and/or the ?-opioid receptor.

Abstract: The present invention relates to PDEI inhibitory compounds of Formula I as described herein, processes for their production, their use as pharmaceuticals and pharmaceutical compositions comprising them.

Abstract: The present invention relates to PDEI inhibitory compounds of Formula I as described herein, processes for their production, their use as pharmaceuticals and pharmaceutical compositions comprising them.

Abstract: The present invention relates to certain PDE2 inhibitory compounds, in free or salt form, pharmaceutical compositions containing such compounds and methods for the treatment of PDE2 mediated disorders.

Abstract: The present invention relates to certain PDE2 inhibitory compounds, in free or salt form, pharmaceutical compositions containing such compounds and methods for the treatment of PDE2 mediated disorders.

Abstract: The subject matter generally relates to compounds and 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 present invention relates to certain PDE2 inhibitory compounds, in free or salt form, pharmaceutical compositions containing such compounds and methods for the treatment of PDE2 mediated disorders.

Abstract: The subject matter generally relates to compounds and 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 invention relates to novel inhibitors of phosphodiesterase 1 (PDE1), useful for the treatment of diseases or disorders characterized by disruption of or damage to certain cGMP/PKG mediated pathways (e.g., in cardiac tissue). The invention further relates to pharmaceutical composition comprising the same and methods of treatment of cardiovascular disease and related disorders, e.g., congestive heart disease, atherosclerosis, myocardial infarction, and stroke.

Abstract: The present invention relates to certain PDE2 inhibitory compounds, in free or salt form, pharmaceutical compositions containing such compounds and methods for the treatment of PDE2 mediated disorders.

Abstract: The invention relates to novel inhibitors of phosphodiesterase 1 (PDE1), according to Formula I, below, wherein R1, R2, R3 and R4 are as defined herein, useful for the treatment of diseases or disorders characterized by disruption of or damage to certain cGMP/PKG mediated pathways (e.g., in cardiac tissue). The invention further relates to pharmaceutical composition comprising the same and methods of treatment of cardiovascular disease and related disorders, e.g., congestive heart disease, atherosclerosis, myocardial infarction, and stroke.

Abstract: The invention relates to novel inhibitors of phosphodiesterase 1 (PDE1), useful for the treatment of diseases or disorders characterized by disruption of or damage to certain cGMP/PKG mediated pathways (e.g., in cardiac tissue). The invention further relates to pharmaceutical composition comprising the same and methods of treatment of cardiovascular disease and related disorders, e.g., congestive heart disease, atherosclerosis, myocardial infarction, and stroke.

Abstract: The present invention relates to certain PDE2 inhibitory compounds, in free or salt form, pharmaceutical compositions containing such compounds and methods for the treatment of PDE2 mediated disorders.

Abstract: The present invention relates to certain PDE2 inhibitory compounds, in free or salt form, pharmaceutical compositions containing such compounds and methods for the treatment of PDE2 mediated disorders.