Study: Certain diabetes drugs prove harmful in older adults

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Diabetes medications known as thiazolidinediones (TZDs) may be the wrong treatment for older sufferers of the disease.

These drugs, which include rosiglitazone, significantly increased the risk of heart attack, congestive failure and death in older patients, compared with hypoglemic drugs, a new study in Tuesday's issue of the Journal of the American Medical Association found. While TZDs have been linked to better outcomes and have potential cardiovascular benefits, their negative cardiac effects might outweigh their strengths, the authors wrote.

A U.S. Food and Drug Administration advisory panel recently held a hearing regarding the safety of rosiglitazone, but the panel voted against removing the drug from the market because of what it called insufficient data.