The alpha-stereoisomer of 17-hydroxy steroid.
| Member | Definition | Role |
|---|
| 17-alpha-hydroxypregnenolone | A hydroxypregnenolone carrying an alpha-hydroxy group at position 17. | 17alpha-hydroxypregnenolone |
| 17-alpha-hydroxyprogesterone | A 17alpha-hydroxy steroid that is the 17alpha-hydroxy derivative of progesterone. | 17alpha-hydroxyprogesterone |
| 3 alpha,17 alpha-dihydroxy-5 beta-pregnan-20-one | A 17alpha-hydroxy steroid that is 3alpha-hydroxy-5beta-pregnan-20-one carrying an additional hydroxy group at position 17alpha. | 3alpha,17alpha-dihydroxy-5beta-pregnan-20-one |
| 6 beta-hydroxycortisol | A C21-steroid that is cortisol bearing an additional hydroxy substituent at the 6beta-position. In humans, it is produced as a metabolite of cortisol by cytochrome p450-3A4 (CYP3A4, an important enzyme involved in the metabolism of a variety of exogenous and endogenous compounds) and can be used to detect moderate and potent CYP3A4 inhibition in vivo. | 6beta-hydroxycortisol |
| alfatradiol | An estradiol that is estra-1,3,5(10)-triene substituted by hydroxy groups at positions 3 and 17 (the 17alpha stereoisomer). | 17alpha-estradiol |
| beclomethasone | A 17alpha-hydroxy steroid that is prednisolone in which the hydrogens at the 9alpha and 16beta positions are substituted by a chlorine and a methyl group, respectively. | beclomethasone |
| betamethasone | | betamethasone |
| betamethasone acetate | | betamethasone acetate |
| clobetasol | A 3-oxo-Delta(1),Delta(4)-steroid that is 16beta-methylpregna-1,4-diene-3,20-dione bearing hydroxy groups at the 11beta and 17alpha positions, fluorine at position 9, and a chlorine substituent at position 21. It is used as its 17alpha-propionate ester to treat various skin disorders, including exzema and psoriasis. | clobetasol |
| cortisol 21-sulfate | A steroid sulfate obtained by the formal condensation of hydroxy group at position 21 of cortisol with sulfuric acid. | cortisol 21-sulfate |
| cortisone | A C21-steroid that is pregn-4-ene substituted by hydroxy groups at positions 17 and 21 and oxo group at positions 3, 11 and 20. | cortisone |
| cyproterone | | cyproterone |
| diflorasone | The 16beta-analogue of flumethasone. It is used as the 17,21-diacetate as a topical anti-inflammatory and antipruritic in the treatment of various skin disorders. | diflorasone |
| epitestosterone | An androstanoid that is the C-17 epimer of testosterone. | epitestosterone |
| fludrocortisone | | fludrocortisone |
| fludrocortisone acetate | An acetate ester resulting from the formal condensation of the primary hydroxy group of fludrocortisone with acetic acid. A synthetic corticosteroid, it has glucocorticoid actions about 10 times as potent as hydrocortisone, while its mineralocorticoid actions are over 100 times as potent. It is used in partial replacement therapy for primary and secondary adrenocortical insufficiency in Addison's disease and for the treatment of salt-losing adrenal hyperplasia. | fludrocortisone acetate |
| flumethasone | | flumethasone |
| flumethasone pivalate | | flumethasone pivalate |
| fluorometholone | A member of the class of glucocorticoids that is Delta(1)-progesterone substituted at positions 11beta and 17 by hydroxy groups, at position 6alpha by a methyl group and at position 9 by a fluoro group. Used for the treatment of corticosteroid-responsive inflammation of the palpebral and bulbar conjunctiva, cornea and anterior segment of the globe. | fluorometholone |
| fluticasone | A trifluorinated corticosteroid used in the form of its propionate ester for treatment of allergic rhinitis. | fluticasone |
| hydrocortamate | | hydrocortamate |
| medroxyprogesterone | A 3-oxo Delta(4)-steroid that is pregn-4-ene-3,20-dione substituted by an alpha-hydroxy group at position 17 and a methyl group at position 6. | medroxyprogesterone |
| megestrol | A 3-oxo Delta(4)-steroid that is pregna-4,6-diene-3,20-dione substituted by a methyl group at position 6 and a hydroxy group at position 17. | megestrol |
| methylprednisolone acetate | An acetate ester resulting from the formal condensation of the 21-hydroxy function of 6alpha-methylprednisolone compound with acetic acid. | methylprednisolone acetate |
| nisone | | cortancyl |
| prednisolone | A glucocorticoid that is prednisone in which the oxo group at position 11 has been reduced to the corresponding beta-hydroxy group. It is a drug metabolite of prednisone. | prednisolone |
| prednisolone hemisuccinate | A hemisuccinate resulting from the formal condensation of the 21-hydroxy group prednisolone with one of the carboxy groups of succinic acid. It is used to treat mild to moderate non-infectious eye allergies and inflammation, including damage caused by chemical and thermal burns. | prednisolone succinate |
| prednisolone phosphate | A synthetic glucocorticoid resulting from the formal condensation of the 21-hydroxy group of prednisolone with one of the hydroxy groups of phosphoric acid. It is a prodrug for prednisolone that is activated in vivo by phosphatases. | prednisolone phosphate |
| prednisone | A synthetic glucocorticoid drug that is particularly effective as an immunosuppressant, and affects virtually all of the immune system. Prednisone is a prodrug that is converted by the liver into prednisolone (a beta-hydroxy group instead of the oxo group at position 11), which is the active drug and also a steroid. | prednisone |
| tetrahydrocortisol | | tetrahydrocortisol |
| triamcinolone | A C21-steroid hormone that is 1,4-pregnadiene-3,20-dione carrying four hydroxy substituents at positions 11beta, 16alpha, 17alpha and 21 as well as a fluoro substituent at position 9. Used in the form of its 16,17-acetonide to treat various skin infections. | triamcinolone |