Government and Regulations

FDA: Limit testosterone use to men with specific medical conditions



Testosterone therapy is not appropriate for men with age-related low testosterone because it may be associated with an increased risk of cardiovascular events, the Food and Drug Administration has determined.

The agency will now require labeling changes to all prescription testosterone products, clarifying their appropriate use, and warning about a possible increased risk of heart attack and stroke in any patient taking the hormone. Testosterone is approved only for men with specific medical conditions, but is widely used off label for men with age-related low testosterone.

“Health care professionals should make patients aware of this possible risk when deciding whether to start or continue a patient on testosterone therapy,” an FDA statement said. “We are also requiring manufacturers of approved testosterone products to conduct a well-designed clinical trial to more clearly address the question of whether an increased risk of heart attack or stroke exists among users of these products. We are encouraging these manufacturers to work together on a clinical trial, but they are allowed to work separately if they so choose.”

The statement arose from a September 2014 recommendation by the FDA’s Bone, Reproductive, and Urologic Drugs Advisory Committee and Drug Safety and Risk Management Advisory Committee. The groups reviewed studies of aging men using testosterone – some of which reported an increased risk of heart attack, stroke, or death associated with testosterone treatment – and voted 20-1 that the current indication, as worded in the labeling for all testosterone products, should be tightened to make it clear that testosterone therapy is not indicated for men with age-related reductions in testosterone.

Any clinician who prescribes testosterone to a patient who later experiences a cardiovascular event should report that toFDA’s MedWatch Safety Information and Adverse Event Reporting Program.

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