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Pfizer, Astellas prostate cancer drug clears late-stage trial

(Corrects headline and first paragraph to "prostate" from "prostrate")

Sept 14 (Reuters) - Pfizer Inc and Astellas Pharma Inc said on Thursday their drug to treat a type of prostate cancer met the main goal of improving overall survival in a late-stage trial.

The oral drug, Xtandi, in combination with an anti-hormone therapy was more successful than an anti-hormone therapy alone in improving overall survival in men with non-metastatic castration-resistant prostate cancer.

The drug is already approved to treat metastatic castration-resistant prostate cancer. (Reporting by Tamara Mathias in Bengaluru; Editing by Savio D'Souza)