The present invention provides a compound of formula (I):

##STR00001##

or a pharmaceutically acceptable salt, solvate, or amino acid conjugate thereof, wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, and R.sup.6 are as described herein. The present invention relates generally to selective FXR agonists and to methods of making and using them.

The invention relates to compounds of general formula (I): ##STR00001##
wherein R.sup.2a, R.sup.2b, R.sup.3a, R.sup.3b, R.sup.5, Y and R.sup.7 are as defined herein are selective agonists at the FXR receptor and are useful for the treatment or prevention of diseases and conditions including nonalcoholic steatohepatitis (NASH); primary biliary cirrhosis; primary sclerosing cholangitis; biliary atresia; cholestatic liver disease; hepatitis C infection; alcoholic liver disease; fibrosis; and liver damage arising from fibrosis.

The present invention relates generally to compositions and methods for treating cancer and hypercortisolism. Provided herein are substituted steroidal derivative compounds and pharmaceutical compositions comprising said compounds. The subject compounds and compositions are useful for inhibition of glucocorticoid receptors. Furthermore, the subject compounds and compositions are useful for the treatment of cancer.

The present invention relates to compounds which are intermediates in the synthesis of bile acid derivatives with pharmacological activity. The invention relates to compounds of general formula (I): ##STR00001##
wherein: , R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 and Y are as defined herein. The compounds are intermediates in the synthesis of synthetic bile acids which are useful in the treatment of conditions such as liver disease. In addition, the invention relates to a method of synthesizing these intermediates and a method of preparing obeticholic acid and obeticholic acid analogues from the compounds of the invention.

Provided herein are synthetic analogs of withanolide natural products and their pharmaceutical uses in treating neurodegenerative diseases.

Steroid derivative regulators, a method for preparing the same, and uses thereof are described. Specifically, a compound as shown in formula (I), a preparation method therefor, a pharmaceutical composition containing the compound, and uses thereof as a regulator of GABA .sub.A receptor for treating depression, convulsion, Parkinson's disease, and nervous system diseases are described, wherein the substituents of the formula (I) are as defined in the description. ##STR00001##

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

##STR00001##

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): ##STR00001##
or a pharmaceutically acceptable salt thereof, wherein R.sup.1a, R.sup.1b, 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.7a, R.sup.7a, R.sup.11a, R.sup.11b, R.sup.12a, R.sup.12b, R.sup.16a, R.sup.16b, R.sup.19, R.sup.11a, R.sup.22, R.sup.X, R.sup.Y 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.

Described herein are compositions and methods for hormone replacement therapy that address the shortcomings of the existing methods. Described herein are pharmaceutically effective partial agonistic antiprogestins. The combined application of estrogens (such as estradiol, estriol and conjugated estrogens) and the disclosed partial agonistic antiprogestins can be used in hormone replacement therapy.

The invention provides epoxytaccalonolide microtubule stabilizers and their use as anti-proliferative microtubule stabilizing agents.