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 μ-opioid receptor.
The invention relates to a particular substituted heterocycle fused gamma-carboline, the compound of Formula I, and new methods and uses pertaining thereto, and pharmaceutical compositions thereof, such as methods of use in the treatment of diseases involving the 5-HT receptor, the serotonin transporter (SERT), and/or pathways involving dopamine D2 receptor signaling, sodium channel activity, and/or norepinephrine transporter activity.