Much debate in the past months has surrounded GlaxoSmithKline’s (GSK) diabetes drug rosiglitazone (Avandia) after it was found that the drug may put patients at a heightened risk for cardiovascular events. Now, healthcare providers prescribing rosiglitazone-containing medications including Avandia, Avandamet and Avandaryl will have to enroll into a special program to prescribe and receive these drugs, according to an FDA safety announcement released May 18.