The U.S. Food and Drug Administration announced it has begun a safety review of the diabetes drug Actos (pioglitazone), after receiving preliminary results from a long-term observational study designed to evaluate the risk of bladder cancer associated with use of this drug. The preliminary results are based on five-year data from an ongoing, 10-year observational study by the manufacturer, Takeda Pharmaceuticals North America Inc., San Diego. These early results showed no overall association between Actos exposure and risk of bladder cancer...

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