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Topline Results from Phase 2 Clinical Trial of Oral NKTR-118 Presented at 20th American Academy of Pain Management Annual Clinical Meeting (AAPM) in Phoenix
Date:10/10/2009

) 2009 Annual Scientific Meeting to be held in San Diego, California on October 27, 2009. The data will be presented by Dr. Lynn Webster, medical director of Lifetree Clinical Research and lead clinical investigator of the Phase 2 trial.

On September 21, 2009, Nektar Therapeutics announced it had entered into an exclusive worldwide license agreement with AstraZeneca for its NKTR-118 and NKTR-119 programs.

About Opioid-Induced Constipation

The oral peripheral antagonist NKTR-118 targets mu-opioid receptors within the enteric nervous system, which mediate opioid-induced bowel dysfunction, a symptom complex resulting from opioid use that encompasses symptoms such as constipation, bloating, abdominal cramping, and gastroesophageal reflux. Constipation is the hallmark of this syndrome and is generally its most prominent component. In patients who take opiates chronically for pain management, anywhere from 45-90% of patients will develop debilitating constipation associated with other symptoms of opioid-induced bowel dysfunction as a result of the drug binding to the mu-opioid receptor in the gut(1).

According to IMS Health, about 230 million prescriptions were written for opioids in 2007 in the United States alone. Currently, there are no oral drugs approved that are indicated to treat opioid-induced constipation (OIC). Opioid bowel dysfunction and OIC can significantly impact quality of life and increase healthcare utilization.

NKTR-119 is an investigational drug candidate that is a co-formulation of oral NKTR-118 and an opioid analgesic. The product is designed to provide good analgesic properties in the chronic treatment of moderate to severe pain patients while avoiding the debilitating side effects that are common with opioid use, such as constipation and other symptoms of bowel dysfunction.

About Nektar

Nektar Therapeutics is a biopharmaceutical company dev
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SOURCE Nektar Therapeutics
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