GLFD Guilford Pharmaceuticals (MM)

Guilford Pharmaceuticals Announces Initiation of Phase III Clinical Development for AQUAVAN(R) Injection Company Meets with FDA, Completes Phase II Study of AQUAVAN(R) BALTIMORE, May 10 /PRNewswire-FirstCall/ -- Guilford Pharmaceuticals, Inc. announced today that the Company has initiated a Phase III clinical development program for AQUAVAN(R) Injection, a novel sedative/hypnotic. The program is consistent with feedback received from the Division of Anesthetic, Critical Care and Addiction Drug Products of the U.S. Food & Drug Administration. Craig Smith, M.D., Chairman, President and Chief Executive Officer of Guilford, remarked, "We held an end-of-Phase II meeting with the FDA. During the meeting we discussed our proposed indication, clinical trial plan, and other requirements for a potential future New Drug Application (NDA) for AQUAVAN(R). Based on these discussions it is our intention to complete the necessary clinical trials and file a NDA as soon as possible. We intend to seek approval for AQUAVAN(R) for mild to moderate sedation for brief diagnostic and therapeutic procedures such as colonoscopy, bronchoscopy, interventional cardiology and minor surgical and therapeutic procedures." The Company also announced today that it has completed a Phase II study of AQUAVAN(R) designed to test the efficacy of the dose regimen of AQUAVAN(R), which the Company plans to use in the Phase III program. The Phase II study enrolled a total of 64 patients who received AQUAVAN(R) for procedural sedation during colonoscopy. The Company plans to release the data in the third quarter. About the Phase III Program for AQUAVAN(R) Injection The Phase III program will consist of four Phase III trials and a series of smaller studies in special patient populations. The four Phase III trials will be conducted in patients undergoing 1) colonoscopy, 2) bronchoscopy, 3) cardiac procedures, and 4) minor surgical procedures. The first two trials will be randomized comparisons with midazolam. All patients will receive fentanyl citrate for analgesia. The primary endpoint will be success of sedation as determined by a score of less than 4 using the Modified Observer's Assessment of Alertness/Sedation (OAA/S) scale. Secondary endpoints will include time to fully alert and time to fully recovered and duration of sedation. It is anticipated that the investigator's medical staff will administer AQUAVAN(R) in the Phase III program. The FDA recommended Guilford also conduct a series of smaller studies in special patient populations such as burn patients, patients undergoing upper endoscopy prior to liver transplant and patients having an arterovenous shunt placed for renal dialysis. Guilford anticipates approximately 900 patients will be enrolled in upcoming studies and data from approximately 1200 patients will be included in the NDA submission for AQUAVAN(R). About AQUAVAN(R) Injection AQUAVAN(R) Injection is a proprietary water-soluble prodrug of propofol exclusively licensed by Guilford from ProQuest Pharmaceuticals. Unlike propofol, which is formulated in an oil or lipid-based emulsion, AQUAVAN(R) Injection is formulated in a clear aqueous solution and is rapidly converted by an enzyme in the body called alkaline phosphatase into propofol after intravenous injection. About Guilford Guilford Pharmaceuticals Inc. is a fully integrated pharmaceutical company engaged in the research, development and commercialization of products that target the hospital market. Presently, Guilford markets two commercial products, GLIADEL(R) Wafer (polifeprosan 20 with carmustine implant), for the treatment of brain cancer, and AGGRASTAT(R) Injection (tirofiban hydrochloride), a glycoprotein GP IIb/IIIa receptor antagonist used for the treatment of acute coronary syndrome (ACS). Guilford's product pipeline includes a novel anesthetic, AQUAVAN(R) Injection, and drugs for treating Parkinson's disease and post-prostatectomy erectile dysfunction. For additional information about GLIADEL Wafer, please visit http://www.guilfordpharm.com/ under Products / Marketed Products / GLIADEL; and for AGGRASTAT, please see http://www.aggrastat.com/. This press release contains forward-looking statements that involve risks and uncertainties, including those described in the section entitled "Risk Factors" contained in the Company's Registration Statement on Form S-3/A filed with the SEC on April 9, 2004, that could cause the Company's actual results and experience to differ materially from anticipated results and expectations expressed in these forward-looking statements. Among other things, there can be no assurance that AQUAVAN(R) Injection will continue to advance through clinical development or receive regulatory approval for commercialization either in the United States or in international markets. Contact: Stacey Jurchison, Director, Corporate Communications - 410.631.5022 Internet Address: http://www.guilfordpharm.com/ DATASOURCE: Guilford Pharmaceuticals Inc. CONTACT: Stacey Jurchison, Director, Corporate Communications, Guilford Pharmaceuticals, +1-410-631-5022 Web site: http://www.aggrastat.com/ Web site: http://www.guilfordpharm.com/ Company News On-Call: http://www.prnewswire.com/comp/112882.html

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