Warning of serious genital infection linked to certain diabetes drugs by FDA

The U.S. health regulator has asked for including this risk in the drugs' labeling.

The U.S. Food and Drug Administration (FDA) on Wednesday reported about a serious genital infection in patients taking a certain class of diabetes drugs, with one death and 11 others hospitalized.

The warning pertains to a class of medicines called SGLT2 inhibitors, first approved in 2013 to lower blood sugar in adults with type 2 diabetes.

The U.S. health regulator has also called for including this risk in the drugs' labeling.

The SGLT2 inhibitors approved by the FDA include Johnson & Johnson's Invokana, Eli Lilly & Co's Jardiance, as well those from Bristol-Myers Squibb, Astra Zeneca Plc, Merck & Co and Pfizer Inc.

The companies did not immediately respond to Reuters request for comment.

Patients are at risk of the infection known as Fournier's gangrene, an extremely rare but life-threatening bacterial infection of the tissue under the skin that surrounds the genital area, the FDA said in a statement https://www.fda.gov/Drugs/DrugSafety/ucm617360.htm.

The bacteria usually enter the body through a cut and quickly spread. Having diabetes is a risk factor for developing Fournier's gangrene.

The FDA said it identified 12 cases of Fournier's gangrene - 7 in men and 5 in women - between March 2013 and May 2018.

One patient died, while some required multiple disfiguring surgeries and developed complications, the agency said.

The infection developed within several months of the patients starting an SGLT2 inhibitor and the drug was stopped in most cases, the FDA said.

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