The present invention relates to compounds useful as inhibitors of one or more histone demethylses, such as KDM5. The invention also provides pharmaceutically acceptable compositions comprising compounds of the present invention and methods of using said compositions in the treatment of various disorders.

The present invention is directed to the treatment of erythromelalgia comprising administering to a subject in need thereof, a therapeutically effective amount of 5-(4-{[(2-fluorophenyl)methyl]oxy}phenyl)-prolinamide or a pharmaceutically acceptable salt, solvate or prodrug thereof.

The present invention is directed to the treatment of erythromelalgia comprising administering to a subject in need thereof, a therapeutically effective amount of 5-(4-{[(2-fluorophenyl)methyl]oxy}phenyl)-prolinamide or a pharmaceutically acceptable salt, solvate or prodrug thereof.

The present invention provides chimeric compounds that modulate protein function, to restore protein homeostasis, including cytokine, aiolos, and/or ikaros activity, TNF-alpha activity, CK1-alpha activity and cell-cell adhesion. The invention provides methods of modulating protein-mediated diseases, such as cytokine-mediated diseases, disorders, conditions, or responses. Compositions, including in combination with other cytokine and inflammatory mediators, are provided. Methods of treatment, amelioration, or prevention of protein-mediated diseases, disorders, and conditions, such as cytokine-mediated diseases, disorders, and conditions, including inflammation, fibromyalgia, rheumatoid arthritis, osteoarthritis, ankylosing spondylitis, psoriasis, psoriatic arthritis, inflammatory bowel diseases, Crohn's disease, ulcerative colitis, uveitis, inflammatory lung diseases, chronic obstructive pulmonary disease, Alzheimer's disease, organ transplant rejection, and cancer, are provided.

The present invention provides chimeric compounds that modulate protein function, to restore protein homeostasis, including cytokine, aiolos, and/or ikaros activity, TNF-alpha activity, CK1-alpha activity and cell-cell adhesion. The invention provides methods of modulating protein-mediated diseases, such as cytokine-mediated diseases, disorders, conditions, or responses. Compositions, including in combination with other cytokine and inflammatory mediators, are provided. Methods of treatment, amelioration, or prevention of protein-mediated diseases, disorders, and conditions, such as cytokine-mediated diseases, disorders, and conditions, including inflammation, fibromyalgia, rheumatoid arthritis, osteoarthritis, ankylosing spondylitis, psoriasis, psoriatic arthritis, inflammatory bowel diseases, Crohn's disease, ulcerative colitis, uveitis, inflammatory lung diseases, chronic obstructive pulmonary disease, Alzheimer's disease, organ transplant rejection, and cancer, are provided.

A compound according to formula (I)

##STR00001##

wherein R.sub.1 is hydrogen, cyclopropyl, or pyrazolyl, wherein said pyrazolyl is optionally substituted by one or two methyl groups; or a pharmaceutically acceptable salt thereof.

A compound according to formula (I)

##STR00001##

wherein R.sub.1 is hydrogen, cyclopropyl, or pyrazolyl, wherein said pyrazolyl is optionally substituted by one or two methyl groups; or a pharmaceutically acceptable salt thereof.

The present invention provides a compound of the Formula (I): wherein X, R, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, and R.sup.9 are as defined herein, or a pharmaceutically acceptable salt thereof. ##STR00001##

The present invention provides a compound of the Formula (I): wherein X, R, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, and R.sup.9 are as defined herein, or a pharmaceutically acceptable salt thereof. ##STR00001##

Compounds and pharmaceutically acceptable salts and solvates thereof are described. The compounds relate to and/or have application(s) in (among others) the fields of drug discovery, pharmacotherapy, physiology and organic chemistry.