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    2 Drugs Look Promising for Rare Pancreatic Cancer

    Targeted Treatment Slowed Disease Progression in Studies
    WebMD Health News
    Reviewed by Laura J. Martin, MD

    Feb. 9, 2011 -- Two kidney cancer drugs show promise for the treatment of the rare type of pancreatic cancer that Apple CEO Steve Jobs was diagnosed with in 2004.

    In studies to be published tomorrow in the New England Journal of Medicine, researchers report that the targeted therapies dramatically improved disease-free survival times in patients with pancreatic neuroendocrine tumors.

    One of the phase III trials, involving Pfizer’s drug Sutent, was stopped early because the drug proved to be so effective.

    In the other study, one out of three patients who took Novartis’ drug Afinitor had no evidence of tumor growth during 18 months of treatment, compared to one in 10 placebo-treated patients.

    The time to cancer progression more than doubled in patients treated with Sutent or Afinitor compared to placebo, from about 5 months to 11 months.

    An Uncommon Cancer

    Neuroendocrine pancreatic tumors, also known as islet cell tumors, make up only about 1.3% of all pancreatic cancers.

    These cancers are extremely uncommon -- occurring in just two to four people in a million -- but their incidence is rising.

    Because they tend to grow and spread much more slowly than other pancreatic cancers, which have a very poor prognosis, patients with neuroendocrine pancreatic tumors can live for many years and can sometimes be cured with surgery.

    “Most pancreatic cancer patients die pretty quickly, but patients with these tumors tend to do well for a very long time,” says David C. Metz, MD, co-director of the Neuroendocrine Tumor Center at the University of Pennsylvania Health System.

    Metz says the Sutent and Afinitor studies are game changers for the treatment of the disease, but he adds that it remains to be seen if one drug works better than another or if a combination approach is best.

    A similar kidney cancer drug, Bayer’s Nexavar, has also shown promise in the treatment of pancreatic neuroendocrine tumors.

    “For the first time in 20 years we have a whole new group of drugs to treat this disease,” he tells WebMD. “The questions are, which ... drug do we use first and do we combine them. We don’t have the answers yet.”

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