WALTHAM, Mass.--(BUSINESS WIRE)--Phase Forward Incorporated (NASDAQ: PFWD), a leading provider of data management solutions for clinical trials and drug safety, announced that the United States Department of Justice has closed its investigation of the proposed acquisition of Phase Forward by Oracle Corporation (the “Merger”), and that the waiting period under the Hard-Scott-Rodino Antitrust Improvements Act of 1976 regarding the Merger has been terminated. Completion of the proposed merger remains subject to the satisfaction or waiver of the other closing conditions specified in the merger agreement.