Phase I study of onapristone, a type I antiprogestin, in female patients with previously treated recurrent or metastatic progesterone receptor-expressing cancers. oleh Paul H Cottu, Jacques Bonneterre, Andrea Varga, Mario Campone, Alexandra Leary, Anne Floquet, Dominique Berton-Rigaud, Marie-Paule Sablin, Anne Lesoin, Keyvan Rezai, François M Lokiec, Catherine Lhomme, Jacques Bosq, Alice S Bexon, Erard M Gilles, Stefan Proniuk, Veronique Dieras, David M Jackson, Alexander Zukiwski, Antoine Italiano