Home Diabetes This diabetes drug linked to heart failure

This diabetes drug linked to heart failure

Credit: Unsplash+

A recent study from the Yale School of Public Health and other institutions has found that the diabetes drug rosiglitazone may increase the risk of serious heart problems, especially heart failure.

Rosiglitazone belongs to a group of medications called thiazolidinediones. These drugs are used to help people with type 2 diabetes manage their blood sugar levels. While rosiglitazone can be effective in controlling diabetes, doctors and scientists have been concerned for years that it might harm the heart.

Because of these concerns, the drug was suspended in Europe, and its use was restricted in the United States in the past. Since 2007, many studies have tried to find out whether rosiglitazone increases the risk of heart attacks. However, those earlier studies gave mixed results because they didn’t have access to detailed data about individual patients.

The new study is the most complete analysis of rosiglitazone’s heart risks so far. Researchers looked at data from more than 130 clinical trials, covering over 48,000 adults who used the drug for at least 24 weeks.

They compared the outcomes of people taking rosiglitazone with those who took another diabetes drug or a placebo (a treatment with no active medicine).

They found that people on rosiglitazone had a 33% higher risk of suffering from serious heart problems. These included heart attacks, heart failure, and even death due to heart or other causes.

To be specific, 274 heart-related events happened among 11,837 patients taking rosiglitazone. In comparison, there were only 219 events among 9,319 patients in the control group.

The researchers believe this shows why having detailed patient data is so important when checking if a medicine is truly safe. They also call for more openness in clinical trials and better sharing of data so doctors and patients can make well-informed decisions about treatment.

Even though rosiglitazone is still available in some parts of the world, this new research raises serious concerns about whether it should continue to be used. Patients who are currently taking rosiglitazone should talk to their doctors about the risks. It may be possible to switch to safer medications.

This study was published in BMJ (British Medical Journal) and adds to the growing calls for stronger safety checks on diabetes medications, especially when it comes to their effects on heart health.

If you care about heart disease, please read studies that herbal supplements could harm your heart rhythm, and how eating eggs can help reduce heart disease risk.

For more health information, please see recent studies that apple juice could benefit your heart health, and results showing yogurt may help lower the death risks in heart disease.

Copyright © 2025 Knowridge Science Report. All rights reserved.