Healthcare Industry News:  Elaprase 

Biopharmaceuticals Generics

 News Release - January 18, 2006

ADDERALL XR(R) - Paragraph IV Notice Update - Third Notice Letter From Teva Pharmaceuticals USA, Inc.

BASINGSTOKE, England and PHILADELPHIA, Pennsylvania, January 18 (HSMN NewsFeed) -- Shire plc (LSE: SHP, NASDAQ: SHPGY, TSX: SHQ) announces that it has received a third Paragraph IV notice letter from Teva Pharmaceuticals USA, Inc. advising it of an amendment to Teva's existing ANDA for generic versions of ADDERALL XR. The amendment is directed to an additional strength of 25 mg. As previously announced, Teva's February 2005 Paragraph IV notice letter was directed only to 10 mg and 30 mg dosages and Teva's June 2005 Paragraph IV notice letter was directed only to 5 mg, 15 mg and 20 mg dosages. Shire is currently reviewing the details of Teva's latest Paragraph IV notice letter.

ADDERALL XR is an important product in Shire's portfolio of treatments for ADHD and is protected by two patents which expire in 2018: Shire Laboratories' U.S. Patent No. 6,322,819 and U.S. Patent No. 6,605,300.

Notes to Editors:


Shire's strategic goal is to become the leading specialty pharmaceutical company that focuses on meeting the needs of the specialist physician. Shire focuses its business on central nervous system (CNS), gastrointestinal (GI), general products (GP) and human genetic therapies (HGT) - all being areas in which Shire has a commercial presence. The structure is sufficiently flexible to allow Shire to target new therapeutic areas to the extent opportunities arise through acquisitions. Shire believes that a carefully selected portfolio of products with a strategically aligned and relatively small-scale sales force will deliver strong results. Shire's focused strategy is to develop and market products for specialty physicians. This approach aims to deliver increased returns and lower risks. Shire's in-licensing and merger and acquisition efforts are focused on products in niche markets with strong intellectual property protection either in the US or Europe.

For further information on Shire, please visit the Company's website:


Statements included herein that are not historical facts are forwarding-looking statements. Such forward-looking statements involve a number of risks and uncertainties and are subject to change at any time. In the event such risks or uncertainties materialize, Shire plc's results could be materially affected. The risks and uncertainties include, but are not limited to; risks associated with the inherent uncertainty of pharmaceutical research, product development, manufacturing and commercialization; the impact of competitive products, including, but not limited to, the impact of those on Shire plc's Attention Deficit and Hyperactivity Disorder ("ADHD") franchise; patents, including but not limited to, legal challenges relating to Shire plc's ADHD franchise; government regulation and approval, including but not limited to the expected product approval dates of DAYTRANA(TM) (MTS/METHYPATCH) (ADHD), SPD503 (ADHD), SPD465 (ADHD), MESAVANCE(TM) (SPD476) (ulcerative colitis), Elaprase(TM) (idursulfase) (Hunter syndrome) and NRP104 (ADHD), including its scheduling classification by the Drug Enforcement Administration in the United States; Shire plc's ability to benefit from the acquisition of Transkaryotic Therapies Inc.; Shire plc's ability to secure new products for commercialization and/or development; and other risks and uncertainties detailed from time to time in Shire plc's and its predecessor registrant Shire Pharmaceuticals Group plc's filings with the US Securities and Exchange Commission, including Shire Pharmaceuticals Group plc's Annual Report on Form 10-K for the year ended December 31, 2004.

Source: Shire Pharmaceuticals

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