Relugolix
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| Pronunciation | /ˌrɛlʊˈɡoʊlɪks/ RE-luu-GOH-liks | 
| Trade names | Orgovyx, Relumina | 
| Other names | RGX; RVT-601; TAK-385 | 
| AHFS/Drugs.com | Monograph | 
| MedlinePlus | a621006 | 
| License data | |
| Routes of administration | By mouth | 
| Drug class | GnRH antagonist | 
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| Pharmacokinetic data | |
| Protein binding | 68–71% | 
| Elimination half-life | 36 to 65 hours | 
| Excretion | Feces: 82% Urine: 4% | 
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| Chemical and physical data | |
| Formula | C29H27F2N7O5S | 
| Molar mass | 623.64 g·mol−1 | 
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Relugolix, sold under the brand names Orgovyx and Relumina among others, is a gonadotropin-releasing hormone antagonist (GnRH receptor antagonist) medication which is used in the treatment of prostate cancer, uterine fibroids and endometriosis. It is taken by mouth.
Side effects of relugolix include menstrual abnormalities, hot flashes, excessive sweating, headache, and decreased bone mineral density. Relugolix is a GnRH antagonist, or an antagonist of the gonadotropin-releasing hormone receptor. Unlike most other GnRH modulators, but similarly to elagolix (brand name Orilissa), relugolix is a non-peptide, small-molecule compound and is orally active. It suppresses sex hormone levels to the postmenopausal or castrate range in both women and men.