AmerisourceBergen has signed a definitive agreement to purchase PharMEDium Healthcare Holdings Inc., a privately held national provider of outsourced compounded sterile preparations (CSPs) to acute care hospitals in the U.S., from Clayton, Dubilier & Rice (www.cdr-inc.com) for $2.575 billion and is expected to close in the first quarter of 2016. PharMEDium is a provider of customized outsourced CSPs that meet specific hospital and physician clinical needs and quality standards in formulat...