Diabetes Medication Increases Risk of Lower Limb Amputation

by Ramya Rachamanti on  November 15, 2018 at 9:09 PM Drug News
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SGLT2 inhibitors, a new group of diabetic medications can cause rare serious adverse events like lower limb amputation, bone fracture, diabetic ketoacidosis, acute kidney injury, serious urinary tract infections blood clots and acute pancreatitis, according to the researchers.
Diabetes Medication Increases Risk of Lower Limb Amputation
Diabetes Medication Increases Risk of Lower Limb Amputation

SGLT2 inhibitors are increasingly popular drugs for the treatment of type 2 diabetes. They lower blood glucose levels by increasing glucose loss through the kidneys, but concerns have been raised regarding their safety.

To better understand these potential risks, an international research team analysed national registry data from Sweden and Denmark for 17,213 patients who started taking SGLT2 inhibitors and 17,213 patients who started taking GLP 1 receptor agonists between July 2003 and December 2016.

Patients were aged 35 years or more with no previous prescriptions for any of the study drugs, no history of severe kidney problems (dialysis or transplantation) or pancreatic disorders, and median follow-up time for the studied outcomes was between 270 and 274 days.

The main outcomes were lower limb amputation, bone fracture, diabetic ketoacidosis, acute kidney injury, serious urinary tract infection, venous thromboembolism and acute pancreatitis.

After taking account of a large number of potentially influential factors including disease history, other medications and socioeconomic indicators, use of SGLT2 inhibitors was associated with a two-fold increased risk of both lower limb amputation (2.7 vs 1.1 events per 1000 person years) and diabetic ketoacidosis (1.3 vs 0.6 events per 1000 person years), compared with GLP 1 receptor agonists.

But there was no significant risk increase for bone fracture, acute kidney injury, serious urinary tract infection, venous thromboembolism or acute pancreatitis.Findings remained consistent after further analyses to test the strength of the results.

This is an observational study, so no firm conclusions can be drawn about cause and effect, and the researchers cannot rule out the possibility that other unmeasured factors may have affected the results.

However, the study used nationwide registry data from a large number of patients, and the findings are consistent with previous research in the field.

As such, the researchers conclude that SGLT2 inhibitors compared with GLP 1 receptor agonists are associated with an increased risk of lower limb amputations and diabetic ketoacidosis but not with other serious adverse events of current concern. And they call for further analyses to accumulate more clinical data on the use of these drugs.



Source: Eurekalert

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