Diabetes medications in same class carry different risks of heart failure, death

Nov 24, 2008

Older adults who take the diabetes medication rosiglitazone appear to have a higher risk of death and heart failure than those taking the related medication pioglitazone, according to a report in the November 24 issue of Archives of Internal Medicine.

In 1997, a new class of oral medications known as thiazolidinediones expanded the available options for diabetes treatment, according to background information in the article. These drugs offered several clinical benefits, including decreased insulin resistance, better control of blood sugar and, for some patients, a delay in beginning insulin therapy. Two agents in this class, rosiglitazone maleate and pioglitazone hydrochloride, were approved and marketed beginning in 1999. Not long after, it became apparent that these drugs had important adverse effects, including heart failure and heart attack. A black box warning was recently added to both drugs cautioning against their use in patients with existing heart failure.

Recent meta-analyses have suggested that the risks associated with rosiglitazone may be higher than those associated with pioglitazone. To compare cardiovascular outcomes and death rates between the two therapies, Wolfgang C. Winkelmayer, M.D., Sc.D., and colleagues at Brigham and Women's Hospital and Harvard Medical School, Boston, used medical claims data to study 28,361 patients older than 65 years who began taking either rosiglitazone or pioglitazone between 2000 and 2005. Of these, 14,260 (50.3 percent) began treatment with pioglitazone and 14,101 (49.7 percent) with rosiglitazone.

After an average of 380 days taking pioglitazone or 369 taking rosiglitazone, 1,869 patients died. After adjusting for other factors, individuals taking rosiglitazone had a 15 percent higher rate of death and a 13 percent greater risk of heart failure compared with those taking pioglitazone. However, there were no differences in heart attack or stroke risk between the two groups.

Citation: Arch Intern Med. 2008;168[21]:2368-2375

Source: JAMA and Archives Journals

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taulandi
not rated yet Feb 01, 2009

New diabetes medications are very good at lowering sugar blood levels. However, their side effects can seriously affect your health. Seriously means that in extreme cases, they can even cause you death.But we all know that every drug has its side effects, because it is a poison in fact

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