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Pfizer to Acquire Encysive Pharmaceuticals
Last update: 2/20/2008 9:14:01 AM
Acquisition Will Extend Presence in Pulmonary Arterial Hypertension with Product Launched in Several EU Countries; Pfizer Plans Pivotal Trial to Support Registration in the U.S. NEW YORK & HOUSTON, Feb 20, 2008 (BUSINESS WIRE) -- Pfizer Inc today announced that it has entered into an agreement to acquire Encysive Pharmaceuticals Inc. (ENCY), a publicly held biopharmaceutical company whose product for the treatment of pulmonary arterial hypertension (PAH) is commercially available in much of the European Union and is approved in other markets. Under the terms of the agreement, Pfizer will make a cash tender offer for all issued and outstanding shares of Encysive for $2.35 per share, representing an equity value of approximately $195 million. Following completion of the tender offer, a subsidiary of Pfizer will merge with Encysive, with the outstanding Encysive shares not tendered pursuant to the tender offer converted into the right to receive the per share price paid under the offer. Upon Pfizer's acquisition of Encysive, Pfizer will assume Encysive's change of control repurchase obligations under its 2.5% convertible senior notes. The Board of Directors of Encysive has unanimously approved the merger agreement and unanimously recommends that Encysive stockholders accept the tender offer and tender their shares. Pfizer will acquire the rights to THELIN(R) (sitaxsentan sodium), an oral, once-daily endothelin A receptor antagonist (ETRA) for the treatment of PAH, as well as Encysive's other pipeline candidates. THELIN has been approved for marketing in the European Union (EU), and is currently available in many EU states, including the United Kingdom, Germany, Ireland, Spain, France, Italy, Belgium, Luxembourg and the Netherlands. THELIN has also been approved in Australia and Canada. In the United States, THELIN has been the subject of three approvable letters from the U.S. Food and Drug Administration (FDA). Pfizer plans to conduct a pivotal Phase III trial to support registration in the U.S. "The process initiated in July of 2007 to review Encysive's strategic alternatives led us to consider a range of opportunities for increasing shareholder value," commented George W. Cole, president and chief executive officer of Encysive. "After a thorough analysis, Encysive's Board of Directors concluded that this cash transaction with Pfizer represents the best option for our shareholders now. Pfizer has come with a superior offer and with an in-depth understanding of pulmonary arterial hypertension, our primary therapeutic focus. We look forward to working with representatives of Pfizer in finalizing this transaction, and in transitioning our U.S. and EU operations." "The acquisition of Encysive will add growing, near-term revenue from the European market and increase our already strong presence in the cardio-respiratory arena with a product that complements REVATIO(TM), a PAH treatment that was discovered and developed by Pfizer researchers," said Ian Read, president of Pfizer's Worldwide Pharmaceutical Operations. "We look forward to applying Pfizer's significant resources to the launch of THELIN in additional countries." "Our commitment to pursue compelling science taking place outside of our laboratories is ongoing, and the acquisition of Encysive is an example of that effort," added Martin Mackay, Ph.D., president of Pfizer Global Research and Development. "With this agreement, we will gain an important marketed product in PAH and will have the opportunity to complete the development of this new medicine to treat this devastating disease." PAH is a progressive, incurable disease that is estimated to affect 100,000 to 200,000 people in North America and Europe, including about 55,000 persons in the United States. It may be of unknown cause (idiopathic) or secondary to other disorders such as connective tissue disease. Though relatively rare, the disease affects men and women of all races and ages, but is more common among women aged 20 through 40. The disease may be misdiagnosed as asthma, anemia or chronic obstructive pulmonary disease. PAH is characterized by high blood pressure and structural changes in the walls of the pulmonary arteries, the blood vessels that connect the right side of the heart to the lungs. In PAH, the pulmonary arteries become thickened and constricted, forcing the heart to work harder to pump blood through the lungs. Over time, the heart is unable to keep up, and blood flow and oxygenation become inadequate to meet the body's demands. This can lead to breathlessness, fatigue, dizziness, fainting, edema, chest pain and the development of heart failure. THELIN works by blocking the action of endothelin-1, a potent mediator of blood vessel constriction. THELIN acts to dilate the constricted blood vessels, thereby reducing pulmonary arterial pressure and thus the demands on the right side of the heart improving exercise tolerance. The transaction is expected to close in the second quarter of 2008, subject to customary closing conditions, including approval under the Hart-Scott-Rodino Antitrust Improvements Act of 1976 and the acquisition by Pfizer of a majority of Encysive's shares in the tender offer. Lazard Freres and Co., LLC, and Weil, Gotshal & Manges LLP advised Pfizer on this transaction. Morgan Stanley and Covington & Burling LLP advised Encysive. More information on both companies, THELIN and PAH is available at and .