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U.S. Food and Drug Administration Approves SOMAVERT(R) for the Treatment Of Acromegaly; First in a New Class of Medicines Treats Debilitating Hormone Disease.

Pharmacia Corporation announced today that the U.S. Food and Drug Administration (FDA) has approved SOMAVERT(R) (pegvisomant for injection) for the treatment of acromegaly in patients who have had an inadequate response to surgery and/or radiation therapy and/or other medical therapies, or for whom these therapies are not appropriate. The goal of treatment is to normalize serum IGF-I levels.

Acromegaly is a serious, life-shortening disease triggered by over-secretion of growth hormone, most often caused by a pituitary tumor. This excess of growth hormone leads to overproduction of a second hormone, IGF-I (insulin-like growth factor-l), which contributes to the disabling symptoms and the long-term health problems associated with the disorder(1). Patients with acromegaly often suffer from headache, excessive sweating, soft-tissue swelling, joint disorders and, perhaps most striking, a progressive coarsening of facial features and enlargement of the hands, feet and jaw(2). Patients with acromegaly face a mortality rate two to four times higher than the average person, due to such serious long-term complications as heart and respiratory disease, diabetes mellitus and some forms of cancer(3).

SOMAVERT is the first in a new class of medicines called growth hormone receptor antagonists and the only medicine designed to specifically block the effects of excess growth hormone in acromegaly. It will be available in the US by prescription within the next few weeks. SOMAVERT was approved by the European Commission in November 2002.

"SOMAVERT is an important medical advance that offers new hope to patients with acromegaly," said Ariel Barkan, M.D., Professor of Internal Medicine, Professor of Neurosurgery and Co-director of the Pituitary and Neuroendocrine Center, University of Michigan Health Systems, and clinical investigator for SOMAVERT. "We are very encouraged by the introduction of SOMAVERT, an important new treatment option for those who are suffering the ravages of this disease," said Robert Knutzen, acromegaly patient and CEO/Chairman of the Pituitary Network Association, an international non-profit organization dedicated to providing support and information to patients with pituitary disorders.

SOMAVERT was studied in a fixed-dose, randomized clinical trial and in a long-term, open-label, dose-adjusted study in patients with acromegaly. In the pivotal study, SOMAVERT normalized IGF-I levels in up to 82 percent of patients, and in the long-term study, SOMAVERT normalized concentrations of IGF-I in 92 percent of patients. IGF-I level is a biochemical measure of the severity of acromegaly.

"We are excited to bring to market a new treatment for patients with acromegaly," said Peter Rost, M.D., Vice President, Endocrine Care, Pharmacia Corporation. "The addition of SOMAVERT to our portfolio of products to treat pituitary disorders further strengthens our commitment to global leadership in endocrine care."

The number of patients diagnosed with acromegaly in the US, Europe and Japan is in the tens of thousands. Experts believe the prevalence may be higher, as diagnosis is often delayed for up to 15 years after symptoms begin(2). Traditional treatments for acromegaly include surgery to remove the pituitary tumor, radiation therapy and pharmaceutical treatments.

In clinical studies, elevations of liver tests (ALT and AST) greater than ten times the upper limit of normal were reported in two patients (0.8%) exposed to SOMAVERT. Serial monitoring of liver tests is necessary when beginning and during therapy with SOMAVERT. The most commonly reported adverse events with SOMAVERT occurring in at least ten percent of patients and at frequencies greater than placebo were infection, pain, diarrhea, nausea, flu syndrome, abnormal liver function tests, and injection-site reactions. The majority of reported adverse events were of mild to moderate intensity and limited duration. SOMAVERT is contraindicated in patients with hypersensitivity to any of its components. The stopper on the vial of SOMAVERT contains latex.

Pharmacia has an established and leading presence in the field of endocrine care.

Pharmacia Corporation is a top-tier global pharmaceutical company whose innovative medicines and other products save lives and enhance health and wellness. Pharmacia's 43,000 people work together with many diverse stakeholders to bring these benefits to people around the world, and to create new health solutions for the future. On July 15, 2002, Pharmacia and Pfizer Inc. announced the signing of a definitive agreement providing for Pfizer to acquire Pharmacia in a stock-for-stock transaction.

For additional patient product information, please contact 1-888-691-6813. For physician/pharmacist information, please contact 1-800-323-4204. For additional information on Pharmacia, please visit

For more information on pituitary disorders and acromegaly, visit the Pituitary Network Association's Web site at
 SOMAVERT(R) is a registered trademark of Pharmacia Corporation.

 (1) van der Lely AJ, Hutson RK, Trainer P, et al. Long-term treatment of
 acromegaly with pegvisomant, a growth hormone receptor antagonist.
 The Lancet 2001; 358: 1754-1759.

 (2) Thorner MO, Vance ML, Laws ER, et al. The Anterior Pituitary. In:
 Wilson JD, Fosster DW, Kronenberg HM, Larsen PR, eds. Williams
 Textbook of Endocrinology. 9th edition. Philadelphia: W.B. Saunders;

 (3) Basic Endocrinology (6th Edition).

CONTACT: Media - Alma Gregory Baird, +1-908-901-1290, or Analyst - Alex Kelly, +1-908-901-7028, both for Pharmacia Corporation

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Geographic Code:1USA
Date:Mar 26, 2003
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