Disclosed herein are monomeric and oligomeric compound embodiments for use as contraceptive agents. Monomeric compound embodiments disclosed herein comprise substituents that facilitate the ability of the compounds to exhibit progestogenic, androgenic, and estrogenic activity, which can prevent or inhibit bone density loss in subjects. Oligomeric compound embodiments disclosed herein provide the ability to control receptor activation and/or treatment by incorporating a tunable linker group which couples steroidal-based compounds to one another or with therapeutic agents and facilitates selective cleavage of the monomeric components of the oligomeric compound.

The present invention relates to novel steroidal compounds of formula (I), process for preparation of the same and composition comprising these compounds. ##STR00001##

Described herein is the chemical structure of neurosteroid derivative compounds, methods of synthesizing the derivatives, and their uses in treating disorders, including those of the central nervous system. These compounds are readily synthesized and have improved pharmaceutical properties, including water solubility, compared to known neurosteroids.

Provided herein is a compound of Formula (I) or pharmaceutically acceptable salt thereof, wherein R.sup.2a, R.sup.2b, R.sup.4a, R.sup.4b, R.sup.6, R.sup.7, R.sup.11a, R.sup.11b, R.sup.16, R.sup.17, R.sup.3, R.sup.5, R.sup.19 and R.sup.X are defined herein and wherein R.sup.Y represents optionally substituted heteroaryl. Also provided herein are pharmaceutical compositions comprising a compound of Formula (I) and methods of using the compounds, e.g., in the treatment of CNS-related disorders.

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The present application provides bifunctional compounds which act as protein degradation inducing moieties. The present application also relates to methods for the targeted degradation of endogenous proteins through the use of the bifunctional compounds that link a cereblon-binding moiety to a ligand that is capable of binding to the targeted protein which can be utilized in the treatment of proliferative disorders. The present application also provides methods for making compounds of the application and intermediates thereof.

Described herein are neuroactive steroids of the Formula (I):

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or a pharmaceutically acceptable salt thereof, wherein , A, R.sup.1, R.sup.2, R.sup.3a, R.sup.4a, R.sup.4b, R.sup.5, R.sup.7a, and R.sup.7b 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.

Provided herein is a compound of Formula (I), or a pharmaceutically acceptable salt thereof, wherein R.sup.2a, R.sup.2b, R.sup.3, R.sup.4a, R.sup.4b, R.sup.5, R.sup.6a, R.sup.6b, R.sup.11a, R.sup.11b, R.sup.15a, R.sup.15b, R.sup.16a, R.sup.16b, R.sup.18, R.sup.19, R.sup.20a, R.sup.20b, X, A, Z, q, u, r, s, t, m, and n are defined herein. Also provided herein are pharmaceutical compositions comprising a compound of Formula (I) and methods of using the compounds, e.g., in the treatment of CNS-related disorders.

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The present invention further provides method of preparing nanocrystals of a hydrophobic therapeutic agent such as fluticasone or triamcinolone, pharmaceutical compositions (e.g., topical or intranasal compositions) thereof and methods for treating and/or preventing the signs and/or symptoms of disorders such as blepharitis, meibomian gland dysfunction or skin inflammation or a respiratory disease (e.g., asthma).

Described herein are neuroactive steroids of the Formula (I): or a pharmaceutically acceptable salt thereof; wherein (II), A, R.sup.1, R.sup.2, R.sup.3a, R.sup.4a, R.sup.4b, R.sup.5, R.sup.7a, and R.sup.7b 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.

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Provided herein are 19-nor C3,3-disubstituted steroids of Formula (I): and pharmaceutically acceptable salts thereof; wherein, , R.sup.1, R.sup.2, R.sup.3a, R.sup.3b, R.sup.4a, and R.sup.4b are as defined herein, and A is a carbon bound substituted or unsubstituted 5-to6-membered heteroaryl ring 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. ##STR00001##