Provided herein relates to methods and compositions for preparing a silk microsphere and the resulting silk microsphere. In some embodiments, the methods and compositions described herein are all aqueous, which can be used for encapsulating an active agent in a silk microsphere, while maintaining activity of the active agent during processing. In some embodiments, the resulting silk microsphere can be used for sustained delivery of an active agent encapsulated therein.

Provided herein relates to methods and compositions for preparing a silk microsphere and the resulting silk microsphere. In some embodiments, the methods and compositions described herein are all aqueous, which can be used for encapsulating an active agent in a silk microsphere, while maintaining activity of the active agent during processing. In some embodiments, the resulting silk microsphere can be used for sustained delivery of an active agent encapsulated therein.

The present invention is directed to oral neuro-attenuating ketamine (NAKET) tablet formulations, and methods of administration, which ensure the steady release of a therapeutically effective concentration of ketamine from an oral tablet without neurologically toxic spikes in ketamine concentration. In particular, the present invention provides single layer oral tablet formulation of NAKET. In a specific embodiment, the NAKET tablet formulation, and methods of administration provide steady administration of NAKET to a subject for 24 hours or greater, for example, up to 36 hours, after a single administration event.

The present invention is directed to oral neuro-attenuating ketamine (NAKET) tablet formulations, and methods of administration, which ensure the steady release of a therapeutically effective concentration of ketamine from an oral tablet without neurologically toxic spikes in ketamine concentration. In particular, the present invention provides single layer oral tablet formulation of NAKET. In a specific embodiment, the NAKET tablet formulation, and methods of administration provide steady administration of NAKET to a subject for 24 hours or greater, for example, up to 36 hours, after a single administration event.

The present invention provides a compound having a cholinergic muscarinic M1 receptor positive allosteric modulator activity and useful as an agent for the prophylaxis or treatment of Alzheimer's disease, schizophrenia, pain, sleep disorder, Parkinson's disease dementia, dementia with Lewy bodies, and the like.

The present invention relates to a compound represented by the formula (I) or a salt thereof.

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wherein each symbol is as described in the specification, or a salt thereof.

The present invention relates to a pharmaceutical composition for improving a sociability behavior in a patient having a mental disease with an enhanced NMDAR function.

The present invention relates to a pharmaceutical composition for improving a sociability behavior in a patient having a mental disease with an enhanced NMDAR function.

Described herein are nasal pharmaceutical compositions comprising a porous excipient and an active agent, wherein the active agent is loaded onto a surface of the porous excipient located inside pores of the porous excipient, and wherein the composition is adapted for nasal administration. Also described herein are methods of making and using nasal pharmaceutical compositions.

A method and composition is described for treating impaired neurological function, CNS disease or condition, including altered state of consciousness disorders in a human subject, comprising parenterally administering a composition comprising aminoadamantane derivatives or salts thereof, alone or in combination with other neuroprotective and/or anti-inflammatory compounds, in a pharmacologically effective amount. In some embodiments, a method for treating traumatic brain injury caused by a stroke or an accident in a human subject is provided comprising intravenously administering a composition comprising amantadine hydrochloride in a pharmacologically effective amount to the subject in need thereof.

A method and composition is described for treating impaired neurological function, CNS disease or condition, including altered state of consciousness disorders in a human subject, comprising parenterally administering a composition comprising aminoadamantane derivatives or salts thereof, alone or in combination with other neuroprotective and/or anti-inflammatory compounds, in a pharmacologically effective amount. In some embodiments, a method for treating traumatic brain injury caused by a stroke or an accident in a human subject is provided comprising intravenously administering a composition comprising amantadine hydrochloride in a pharmacologically effective amount to the subject in need thereof.