CStone Pharmaceuticals ("CStone"; Stock Code: 2616.HK), a leading biopharmaceutical company focused on developing and commercializing innovative immuno-oncology (IO) therapies and molecularly-targeted precision medicines for the treatment of cancer, today released its audited annual financial results for the year ended December 31, 2019. "2019 was a transformational year for the company as we continued to advance the development of our IO and precision medicine products. Among the multiple critical milestones achieved, we initiated 9 new pivotal studies, for a total of 13 registration studies that are ongoing," said Dr. Frank Jiang, Chairman and Chief Executive Officer of CStone. "In 2019, we presented key data of our three IO backbone assets, which have demonstrated promising safety and efficacy profiles.