Erlotinib Hydrochloride in Treating Patients With Bladder Cancer Undergoing Surgery This randomized phase II trial studies how well erlotinib hydrochloride works in treating patients with bladder cancer undergoing surgery. Erlotinib hydrochloride may stop the growth of tu...

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Green Tea Extract in Treating Patients With Nonmetastatic Bladder Cancer Green tea extract contains ingredients that may slow the growth of certain cancers. It is not yet known whether green tea extract is more effective than a placebo when given before surgery...

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