FDA says asthma drug Xolair raises risk of heart, brain problems

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FDA says asthma drug Xolair raises risk of heart, brain problems

By Toni Clarke WASHINGTON (Reuters) - The asthma drug Xolair is associated with a higher risk of heart attack, mini-stroke, chest pain and blood clots in the lungs and veins, among other problems, though the extent of increased risk is unclear, the U.S. Food and Drug Administration said on Friday. The FDA said it has added information about the increased risk to the drug's label after analyzing findings from a five-year safety study submitted by the drug's manufacturer, Genentech, a unit of Roche Holding AG, and 25 clinical trials comparing Xolair to a placebo. ...

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