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August 31, 2012 at 19:37 PM EDT
Companies Submit Joint Application Seeking Approval for Additional Indication for Helicobacter pylori
Eradication by Concomitant Therapy with Proton Pump Inhibitors, Amoxicillin Hydrate and either Clarithromycin or Metronidazole

Tokyo/Osaka, Aug 31, 2012 - (JCN Newswire) - Takeda Pharmaceutical Company Limited (Headquarters: Osaka, President: Yasuchika Hasegawa), AstraZeneca K.K. (Headquarters: Osaka, President: Paul Hudson), Mitsubishi Tanabe Pharma Corporation (Headquarters: Osaka; President: Michihiro Tsuchiya), and Eisai Co., Ltd. (Headquarters: Tokyo; President and CEO: Haruo Naito) announced today that they have submitted a joint application* to Japan's Ministry of Health, Labour and Welfare seeking approval of Helicobacter pylori ("H. pylori") gastritis as an additional indication for H. pylori eradication by concomitant therapy with four proton pump inhibitors―lansoprazole, omeprazole, rabeprazole sodium and esomeprazole magnesium hydrate-manufactured and marketed by the four companies in Japan under five brand names. This concomitant therapy consists of a proton pump inhibitor, amoxicillin hydrate (generic name; marketed under two brand names), and either clarithromycin (generic named: marketed under two brand names) or metronidazole (generic name; marketed under one brand name).

H. pylori gastritis is also known as chronic active gastritis due to the fact that it causes histological gastric mucosal injury as a result of the persistent infiltration of inflammatory cells in the gastric mucosa due to H. pylori infection, and is believed to be associated with the development of various H. pylori-related diseases such as gastric and duodenal ulcers. However, under the Japanese National Health Insurance (NHI) system, the approved indications for eradication of H. pylori are currently limited to gastric and duodenal ulcers, gastric MALT lymphoma, idiopathic thrombocytopenic purpura, and the stomach after endoscopic resection of early stage gastric cancer. Against this backdrop, the Japanese Society of Gastroenterology, the Japan Gastroenterological Endoscopy Society and the Japanese Society for Helicobacter Research submitted a letter to the Minister of Health, Labour and Welfare in December 2011 requesting the earliest possible approval and subsequent coverage under NHI of H. pylori gastritis as an additional indication for the eradication of H. pylori by concomitant therapy based on the abundance of clinical evidence already published to date. In response to this, the companies submitted the latest joint application based on the said published evidence in accordance with the "Handling of Ethical Drugs for Off-label Use", Notification No. 4 of the Research and Development Division / Notification No. 104 of the Evaluation and Licensing Division, dated February 1, 1999. The four companies expect that, once approved, this additional indication will significantly contribute to the prevention and treatment of diseases related to H. pylori. * The joint applicants of the additional indication also include five other companies marketing amoxicillin hydrate, clarithromycin and metronidazole: Kyowa Hakko Kirin Co., Ltd., Astellas Pharma Inc., ABBOTT JAPAN Co., LTD., Ltd., Shionogi & Co., Ltd. and Taisho Pharmaceutical Co., Ltd.

Full details available at http://www.eisai.com/news/news201258.html.

Media Contacts:

Takeda Pharmaceutical Company LimitedCorporate Communications Department TEL: +81-3-3278-2037

AstraZeneca K.K.Corporate Communications, Corporate Affairs TEL: +81-6-6453-8011

Mitsubishi Tanabe Pharma CorporationCorporate Communications Department TEL: +81-6-6205-5211

Eisai Co., Ltd.Public Relations Department TEL: +81-3-3817-5120

Copyright 2012 JCN Newswire. All rights reserved. www.japancorp.net

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