Abstract: Compounds are provided according to Formula (I) and pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof, wherein X, Y, R1, R2a, R2b, R4a, R4b, R5a, R5b, R6a, R6b, R7, and R8 are as defined herein. Compounds of the present invention are contemplated useful for the prevention and treatment of a variety of conditions.

Abstract: The present invention is directed to, in part, compositions or dosage forms comprising fused heteroaryl compounds useful for preventing and/or treating a disease or condition relating to aberrant function of a voltage-gated, sodium ion channel, for example, abnormal late/persistent sodium current. Methods of treating a disease or condition relating to aberrant function of a sodium ion channel including neurological disorders (e.g., Dravet syndrome, epilepsy), pain, neuromuscular disorders, trigeminal autonomic cephalalgia (TAC), migraine, cranial neuropathy or multiple cranial neuropathy, and cortical spreading depression (CSD) are also provided herein. In another aspect, the present invention provides a method of making ion channel modulators.

Abstract: Compounds are provided according to Formula (A): and pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof; wherein R1, R2, R3? R4, R5, R6, and RG are as defined herein. Compounds of the present invention are contemplated useful for the prevention and treatment of a variety of conditions.

Abstract: The present invention is directed to, in part, fused heteroaryl compounds and compositions useful for preventing and/or treating a disease or condition relating to aberrant function of a voltage-gated, sodium ion channel, for example, abnormal late/persistent sodium current. Methods of treating a disease or condition relating to aberrant function of a sodium ion channel including Dravet syndrome or epilepsy are also provided herein.

Abstract: Described herein are steroids of Formula (I): and pharmaceutically acceptable salts thereof; wherein R1, R2a, R2b, R3, R4, R5a, R5b, R6, and Z are as defined herein. Such compounds are contemplated useful for the prevention and treatment of a variety of CNS-related conditions, for example, treatment of sleep disorders, mood disorders, schizophrenia spectrum disorders, convulsive disorders, disorders of memory and/or cognition, movement disorders, personality disorders, autism spectrum disorders, pain, traumatic brain injury, vascular diseases, substance abuse disorders and/or withdrawal syndromes, and tinnitus.

Abstract: The present invention is directed to, in part, fused heteroaryl compounds and compositions useful for preventing and/or treating a disease or condition relating to aberrant function of a voltage-gated, sodium ion channel, for example, abnormal late/persistent sodium current. The fused heteroaryl compounds of the disclosure are represented by Formula (I): wherein X, Y, Z, A, R1 and R2 are as defined in the specification. Methods of treating a disease or condition relating to aberrant function of a sodium ion channel including Dravet syndrome or epilepsy are also provided herein.

Abstract: The present invention is directed to, in part, compounds and compositions useful for preventing and/or treating a neurological disease or disorder, a disease or condition relating to excessive neuronal excitability, and/or a gain-of-function mutation in a gene (e.g., KCNT1). Methods of treating a neurological disease or disorder, a disease or condition relating to excessive neuronal excitability, and/or a gain-of-function mutation in a gene such as KCNT1 are also provided herein.

Abstract: The present invention is directed to, in part, fused heteroaryl compounds of Formula (II-II): and compositions thereof, useful for preventing and/or treating a disease or condition relating to aberrant function of a voltage-gated, sodium ion channel, for example, abnormal late/persistent sodium current. Methods of treating a disease or condition relating to aberrant function of a sodium ion channel including neurological disorders (e.g., Dravet syndrome, epilepsy), pain, and neuromuscular disorders are also provided herein.

Abstract: The present invention is directed to, in part, compounds and compositions useful for preventing and/or treating a neurological disease or disorder, a disease or condition relating to excessive neuronal excitability, and/or a gain-of-function mutation in a gene (e.g., KCNT1). Methods of treating a neurological disease or disorder, a disease or condition relating to excessive neuronal excitability, and/or a gain-of-function mutation in a gene such as KCNT1 are also provided herein.

Abstract: Provided, in part, are compounds of Formula I. pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof, which are useful in the treatment of conditions associated with the activity of sodium channels. Methods of treating a disease or condition relating to aberrant function of a sodium ion channel including neurological disorders (e.g., Dravet syndrome, epilepsy), pain, and neuromuscular disorders are also provided herein.

Abstract: Described herein are neuroactive steroids of the Formula (II): or a pharmaceutically acceptable salt thereof; wherein A, R1, R2a, R2b, R3a, R3b, R4a, R4b, R5, R6 and are as defined herein. Such compounds are envisioned, in certain embodiments, to behave as GABA modulators. The present invention also provides pharmaceutical compositions comprising a compound of the present invention and methods of use and treatment, e. g., such for inducing sedation and/or anesthesia.

Abstract: Described herein are neuroactive steroids of the Formula (I): or a pharmaceutically acceptable salt thereof; wherein -----, R1, R2, R5, A and L are as defined herein. Such compounds are envisioned, in certain embodiments, to behave as GABA modulators. The present invention also provides pharmaceutical compositions comprising a compound of the present invention and methods of use and treatment, e.g., such for inducing sedation and/or anesthesia.

Abstract: Compounds are provided according to Formula (I) and pharmaceutically acceptable salts thereof, and pharmaceutical compositions thereof; wherein R1, R2, and R3 are as defined herein. Compounds of the present invention are contemplated useful for the prevention and treatment of a variety of conditions.

Abstract: The present invention is directed to 3-(ethoxydifluoromethyl)-6-(5-fluoro-6-(2,2,2-trofluoroethoxy)pyridine-3-yl)-[1,2,4]triazolo[4,3-a]pyridine, or a pharmaceutically acceptable salt thereof, or a composition thereof, which is useful for preventing and/or treating a disease or condition relating to aberrant function of a voltage-gated, sodium ion channel, for example, abnormal late/persistent sodium current. Methods of treating a disease or condition relating to aberrant function of a sodium ion channel including neurological disorders (e.g., Dravet syndrome, epilepsy), pain, and neuromuscular disorders are also provided herein.

Abstract: The present invention is directed to 3-(ethoxydifluoromethyl)-6-(5-fluoro-6-(2,2,2-trofluoroethoxy)pyridine-3-yl)-[1,2,4]triazolo[4,3-?]pyridine, or a pharmaceutically acceptable salt thereof, or a composition thereof, which is useful for preventing and/or treating a disease or condition relating to aberrant function of a voltage-gated, sodium ion channel, for example, abnormal late/persistent sodium current. Methods of treating a disease or condition relating to aberrant function of a sodium ion channel including neurological disorders (e.g., Dravet syndrome, epilepsy), pain, and neuromuscular disorders are also provided herein.

Abstract: The present invention is directed to, in part, fused heteroaryl compounds and compositions useful for preventing and/or treating a disease or condition relating to aberrant function of a voltage-gated, sodium ion channel, for example, abnormal late/persistent sodium current. Methods of treating a disease or condition relating to aberrant function of a sodium ion channel including Dravet syndrome or epilepsy are also provided herein.

Abstract: The present invention is directed to, in part, compounds and compositions useful for preventing and/or treating a neurological disease or disorder, a disease or condition relating to excessive neuronal excitability, and/or a gain-of-function mutation in a gene (e.g., KCNT1). Methods of treating a neurological disease or disorder, a disease or condition relating to excessive neuronal excitability, and/or a gain-of-function mutation in a gene such as KCNT1 are also provided herein.

Abstract: Methods for treating a subject suffering from a sterol synthesis disorder or a sterol deficiency disorder, e.g., Smith-Lemli-Opitz syndrome, the method comprising administering to the subject an effective amount of an NMDA receptor modulating compound, are provided.

Abstract: The present invention is directed to, in part, fused heteroaryl compounds and compositions useful for preventing and/or treating a disease or condition relating to aberrant function of a voltage-gated, sodium ion channel, for example, abnormal late/persistent sodium current. Methods of treating a disease or condition relating to aberrant function of a sodium ion channel including Dravet syndrome or epilepsy are also provided herein.

Abstract: Described herein are neuroactive steroids of the Formula (I): or a pharmaceutically acceptable salt thereof; wherein, R1, R2a, R2b, R3 and A are as defined herein. Such compounds are envisioned, in certain embodiments, to behave as GABA modulators. The present invention also provides pharmaceutical compositions comprising a compound of the present invention and methods of use and treatment, e.g., such for inducing sedation and/or anesthesia.