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| Other names | BAY-1002670; 17β-Hydroxy-11β-[4-(methylsulfonyl)phenyl]-17α-(1,1,2,2,2-pentafluoroethyl)estra-4,9-dien-3-one |
| Routes of administration | By mouth |
| Drug class | Selective progesterone receptor modulator |
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| Formula | C27H29F5O4S |
| Molar mass | 544.58 g·mol−1 |
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Vilaprisan (INN , USAN ) (developmental code name BAY-1002670) is a synthetic and steroidal selective progesterone receptor modulator (SPRM) which is under development by Bayer HealthCare Pharmaceuticals for the treatment of endometriosis and uterine fibroids. [1] [2] [3] It is a potent and highly selective partial agonist of the progesterone receptor (PR). [4] [2] [3] As of 2017, the drug is in phase II clinical trials for the aforementioned indications. [1]