Big Pharma kills signature drug at center of $5.8 billion South S.F. deal For more information please click here to contact Tuan Nguyen By Bizjournals.com Feed (2019-07-12 16:19:27) | August 29, 2019 AbbVie hoped for big things from Stemcentrx. It got a $5.1 billion write-off and the layoff of nearly 200 employees. Posted in Sacramento Business Journal