テラプリストーン (宿), as telapristone acetate (proposed brand names Proellex, Progenta; former code name CDB-4124), 合成です, steroidal selective progesterone receptor modulator (SPRM) related to mifepristone which is under development by Repros Therapeutics for the treatment of breast cancer, 子宮内膜症, and uterine fibroids.It was originally developed by the National Institutes of Health (NIH), そして, as of 2017, is in phase II clinical trials for the aforementioned indications.In addition to its activity as an SPRM, the drug also has some antiglucocorticoid activity.