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Growth hormone is not the anti-aging bullet for healthy adults

A review of published data on use of human growth hormone (GH) by healthy elderly people found that the synthetic hormone was associated with small changes in body composition but not in body weight or other clinically important outcomes.

Further, people who took GH had increased rates of unhealthy side effects such as soft tissue swelling, joint pain, carpal tunnel syndrome, and, in men, abnormal breast development. They were also somewhat more likely to develop diabetes.

The review, "The Safety and Efficacy of Growth Hormone in the Healthy Elderly," was published in the Jan. 16, 2007, issue of Annals of Internal Medicine and is available on the Web at www.annals.org on that day.

"Growth hormone has been widely promoted as an anti-aging therapy," said Hau Liu, MD, a research fellow in endocrinology and health policy at Stanford University and an author of the review.

"But the scant clinical experience of GH in the healthy elderly suggests that although GH may minimally alter body composition, it does not improve other clinically relevant outcomes such as bone density, cholesterol levels, stamina, and longevity in this population.

"And it's associated with high rates of adverse events.

"So, on the basis of available evidence, we cannot recommend growth hormone use for anti-aging in the healthy elderly."

Human growth hormone, a protein produced by the pituitary gland, helps regulate growth during childhood and metabolism in adults.

In the United States, the FDA has approved the drug, now produced synthetically, to treat children with short stature and some other growth problems caused by childhood diseases.

The FDA has approved GH to treat adults with growth hormone deficiency syndrome. Its use for anti-aging falls into a grey area. The FDA prohibits drug companies from marketing GH for off-label uses such as anti-aging.

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Source:American College of Physicians


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