Larry Edwards has been appointed chief operating officer, Tetraphase Pharmaceuticals. Mr. Edwards, previously chief commercial officer, will also continue to oversee all aspects of pre-commercialization activities for eravacycline in complicated intra-abdominal infections (cIAI). Mr. Edwards joined Tetraphase in 2015 as vice president of marketing, became vice president of commercial operations in 2016, and was appointed chief commercial officer in early 2017. Prior to joining Tetraphase, Mr....