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Pfizer reports promising results for cancer drug

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WASHINGTON (AP) — An experimental drug has shown encouraging results in treating advanced breast cancer in an early clinical trial, pharmaceutical giant Pfizer reported Sunday. Pfizer, the world's second largest drugmaker, said the drug prevented breast cancer from worsening for 20.2 months in a trial involving 165 patients. Current medications do so for 10.2 months. The drug, known as...

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