NPS Jumps as FDA Staff Backs Risk Plan for Bowel Drug

NPS Pharmaceuticals Inc. (NPSP) rose the most in about 21 months after a Food and Drug Administration staff report showed the companys lead experimental drug candidate may have a clearer path to U.S. regulatory approval.

The drug, Gattex, helps patients with short-bowel syndrome absorb nutrients, weaning them off a time-consuming intravenous nutrition program, the staff said today ahead of an Oct. 16 meeting of FDA advisers who will vote whether to recommend approval. NPS jumped 19 percent to $10.86 at the close in New York, the biggest single-day gain for the Bedminster, New Jersey-based company since Jan. 31, 2011. NPS has advanced 65 percent this year.

The FDA staff said it would support NPSs risk-management plan for Gattex, which would be targeted to specialty physicians who understand the dangers associated with the drug, including tumor growth. The staff also suggested additional educational materials for prescribers emphasizing the key serious risks. The FDA is scheduled to make a final decision on Gattex by Dec. 30.

The agency does not believe that access to Gattex for SBS should be restricted or require elements to assure safe use, FDA staff wrote, referring to short-bowel syndrome.

NPS, which reported about $101 million in revenue last year, may see peak annual sales from Gattex reach $350 million if its approved, Francois Nader, the president and chief executive officer, said in a telephone interview. The drug is meant to increase the ability of short-bowel syndrome patients to absorb nutrients and replace intravenous nutritional support given 10 to 12 hours each day, which has been the standard treatment for the past 40 years, Nader said.

Giving them one day of freedom a week is a life-changing event, or two or three, he said.

The medicine would be used in fewer than 10,000 patients, Nader estimates.

Short-bowel syndrome is the result of conditions such as Crohns disease or trauma that requires much of the small intestine to be removed, causing a reduced ability to absorb water and nutrients.

NPS has proposed prohibiting prescribing Gattex for cancer patients and those who have had the disease in the past five years, Nader said. As many as 20 percent of short-bowel patients had their small intestines removed because of cancer and its unclear how many may have had the disease recently, he said.

Three people in a clinical trial of Gattex got cancer and two died, NPS said a year ago. They were among 566 participants who have received the drug in various trials, NPS said in a statement.

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NPS Jumps as FDA Staff Backs Risk Plan for Bowel Drug