|Systematic (IUPAC) name|
(2S)-3-(4-acetamido-phenoxy)-2-hydroxy-2-methyl-N-(4-nitro-3-trifluoromethyl-phenyl)-propionamide NOT shown in above image, which depicts S-1 rather than S-4
|Molar mass||441.357 g/mol[[Script error: No such module "String".]]|
|Script error: No such module "collapsible list".|
Andarine (S-4) is an investigational selective androgen receptor modulator (SARM) developed by GTx Inc for treatment of conditions such as muscle wasting, osteoporosis and benign prostatic hypertrophy, using the non-steroidal androgen antagonist bicalutamide as a lead compound.
Andarine is an orally active partial agonist for androgen receptors. It is less potent in both anabolic and androgenic effects than other SARMs. In an animal model of benign prostatic hypertrophy, andarine was shown to reduce prostate weight with similar efficacy to finasteride, but without producing any reduction in muscle mass or anti-androgenic side effects. This suggests that it is able to competitively block binding of dihydrotestosterone to its receptor targets in the prostate gland, but its partial agonist effects at androgen receptors prevent the side effects associated with the anti-androgenic drugs traditionally used for treatment of BPH.
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- Chen J, Kim J, Dalton JT. Discovery and therapeutic promise of selective androgen receptor modulators. Molecular Interventions. 2005 Jun;5(3):173-88. PMID 15994457
- Gao W, Kearbey JD, Nair VA, Chung K, Parlow AF, Miller DD, Dalton JT. Comparison of the pharmacological effects of a novel selective androgen receptor modulator, the 5alpha-reductase inhibitor finasteride, and the antiandrogen hydroxyflutamide in intact rats: new approach for benign prostate hyperplasia. Endocrinology. 2004 Dec;145(12):5420-8. PMID 15308613
- Gao W, Kim J, Dalton JT. Pharmacokinetics and pharmacodynamics of nonsteroidal androgen receptor ligands. Pharmaceutical Research. 2006 Aug;23(8):1641-58. PMID 16841196