Catalent Pharma Solutions, Inc. has entered an agreement to acquire Pharmatek Laboratories, Inc., a San Diego-based drug development and clinical manufacturer, in an all-cash transaction. Financial details were not disclosed.   The acquisition will add early-phase drug development capabilities from discovery to clinic, spray drying formulation and delivery technologies, and expand handling for highly potent compounds. The addition of spray drying will also provide a suite of bioavailability en...