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- DU-41165, also known as 6-fluoro-16-methylene-17α-acetoxy-δ6-retroprogesterone, is a progestin which was developed by Philips-Duphar in the 1970s and was never marketed. It is a combined derivative of 17α-hydroxyprogesterone and retroprogesterone. The drug shows extremely high potency as a progestogen in animals. It has been found to possess 158% of the relative binding affinity of promegestone for the progesterone receptor expressed in rat uterus (relative to 74% for the closely related progestin DU-41164). DU-41165 also showed 28% of the affinity of RU-28362 for the glucocorticoid receptor expressed in rat liver, but no affinity for the mineralocorticoid receptor expressed in rat kidney (<0.003% of that of ). The drug showed no androgenic, anabolic, or estrogenic activity in animals, but did show some antiandrogenic and glucocorticoid activity at high doses. Although highly potent in animals, DU-41165 produced little or no progestogenic effect at dosages of 50 and 200 µg/day in women, suggesting major species differences. DU-41165 has been studied as a potential photoaffinity label for the progesterone receptor. (en)
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- 4593 (xsd:nonNegativeInteger)
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- [-17-Acetyl-6-fluoro-10,13-dimethyl-16-methylidene-3-oxo-1,2,8,9,11,12,14,15-octahydrocyclopenta[a]phenanthren-17-yl] acetate (en)
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- XSSIGSNQDKHHLD-JBARXXBASA-N (en)
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- DU-41165, also known as 6-fluoro-16-methylene-17α-acetoxy-δ6-retroprogesterone, is a progestin which was developed by Philips-Duphar in the 1970s and was never marketed. It is a combined derivative of 17α-hydroxyprogesterone and retroprogesterone. The drug shows extremely high potency as a progestogen in animals. It has been found to possess 158% of the relative binding affinity of promegestone for the progesterone receptor expressed in rat uterus (relative to 74% for the closely related progestin DU-41164). DU-41165 also showed 28% of the affinity of RU-28362 for the glucocorticoid receptor expressed in rat liver, but no affinity for the mineralocorticoid receptor expressed in rat kidney (<0.003% of that of ). The drug showed no androgenic, anabolic, or estrogenic activity in animals, but (en)
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