Reata Pharmaceuticals Inc. has agreed to pay former partner Abbvie Inc. $330 million plus royalties to reacquire ex-U.S. development, manufacturing and commercialization rights for the Nrf2 activators bardoxolone methyl and omaveloxolone, as well as other next-generation candidates in the class. Rights to certain Asian markets for bardoxolone remain licensed to Kyowa Kirin Co. Ltd.