Two new studies say the GlaxoSmithKline (GSK -0.5%) diabetes drug Avandia is unsafe, heating up...

|About: GlaxoSmithKline (GSK)|By:, SA News Editor

Two new studies say the GlaxoSmithKline (GSK -0.5%) diabetes drug Avandia is unsafe, heating up a controversy about a drug linked to an increased risk of heart attack and heart failure. A vote on whether to withdraw the drug from the market likely will come at a two-day meeting next month of outside advisers to the FDA.