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| Trade names | Minnebro |
| Other names | CS-3150; XL-550 |
| Routes of administration | By mouth |
| Drug class | Antimineralocorticoid |
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| Formula | C22H21F3N2O4S |
| Molar mass | 466.48 g·mol−1 |
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Esaxerenone (INN ) (brand name Minnebro; developmental code names CS-3150, XL-550) is a nonsteroidal antimineralocorticoid which was discovered by Exelixis and developed by Daiichi Sankyo Company and is approved in Japan for the treatment of hypertension. [1] [2] [3] It acts as a highly selective silent antagonist of the mineralocorticoid receptor (MR), the receptor for aldosterone, with greater than 1,000-fold selectivity for this receptor over other steroid hormone receptors, and 4-fold and 76-fold higher affinity for the MR relative to the existing antimineralocorticoids spironolactone and eplerenone. [1] [2] [3]
Daiichi Sankyo Company, Limited on January 8, 2019 announced the receipt of marketing approval in Japan for MINNEBROTM Tablets 1.25 mg, 2.5 mg and 5 mg (generic name: esaxerenone) for the treatment of hypertension. As of January 2019, esaxerenone is in phase III clinical trials for diabetic nephropathies. [1] [4]