Press Release

Endocrine Society Tells FDA Testosterone Therapy Should Only Be for Men with Hypogonadism

September 17, 2014

Washington, DC—The Endocrine Society testified today at a meeting of the Food and Drug Administration (FDA) discussing the appropriate population for testosterone replacement therapy and the potential for adverse cardiovascular outcomes associated with its use. Though testosterone use has sharply increased among older men in the past decade, the Society told the FDA that testosterone therapy should be limited to men who meet the diagnostic guidelines for hypogonadism.

Testosterone is a key male sex hormone involved in maintaining sex drive, sperm production and bone health. Since testosterone levels tend to naturally decline as men age, lower levels of the hormone do not necessarily mean that an individual has hypogonadism, a condition that results from low testosterone. Clinical manifestations of hypogonadism may include decreased libido, erectile dysfunction, breast enlargement and infertility.

Testifying before the FDA joint meeting of the Bone, Reproductive and Urologic Drugs Advisory Committee and the Drug Safety and Risk Management Advisory Committee on behalf of the Endocrine Society, Ronald Swerdloff, MD, professor at the David Geffen School of Medicine at UCLA, said testosterone treatment should be limited to men who have clinical manifestations of hypogonadism and consistently low testosterone levels.

“The Endocrine Society also recommends that more data be collected on men of different ages to better establish the serum testosterone thresholds for specific organ-related symptoms and signs, and to determine which clinical manifestations will benefit from replacement testosterone therapy,” Swerdloff testified.

The Society further recommended that a large-scale, well-controlled study be conducted to assess long term cardiovascular and prostate risks associated with testosterone replacement treatment.

Dr. Swerdloff was an author of the Endocrine Society’s clinical practice guideline, “Testosterone Therapy in Adult Men with Androgen Deficiency Syndromes.

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Endocrinologists are at the core of solving the most pressing health problems of our time, from diabetes and obesity to infertility, bone health, and hormone-related cancers. The Endocrine Society is the world’s oldest and largest organization of scientists devoted to hormone research and physicians who care for people with hormone-related conditions.

The Society has more than 18,000 members, including scientists, physicians, educators, nurses and students in 122 countries. To learn more about the Society and the field of endocrinology, visit our site at www.endocrine.org. Follow us on Twitter at @TheEndoSociety and @EndoMedia.


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Media Contacts

Colleen Williams Manager, Public Relations Phone: (202)-971-3611 cwilliams@endocrine.org

Jenni Glenn Gingery Associate Director, Communications and Media Relations Phone: (202)-971-3655 jgingery@endocrine.org

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