Adverse Effects
The New England Journal of Medicine published two editorials in 2003 expressing concern about off-label uses of HGH and the proliferation of advertisements for "HGH-Releasing" dietary supplements, and emphasized that there is no evidence that use of HGH in healthy adults or in geriatric patients is safe and effective - and especially emphasized that risks of long-term HGH treatment are unknown. One editorial was by Jeffrey M. Drazen, M.D., the editor-in-chief of the journal; the other one was by Dr. Mary Lee Vance, who provided the NEJM's editorial original, cautious comment on a much cited 1990 study on the use of HGH in geriatric patients with low growth hormone levels.
A small but controlled study of GH given to severely ill adults in an intensive care unit setting for the purpose of increasing strength and reducing the muscle wasting of critical illness showed a higher mortality rate for the patients having received GH. The reason is unknown, but GH is now rarely used in ICU patients unless they have severe growth hormone deficiency.
GH treatment usually decreases insulin sensitivity, but some studies showed no evidence for increased diabetes incidence in GH-treated adult hypopituitary patients.
In past it was believed that GH treatment could increase the cancer risk; a large study recently concluded that "With relatively short follow-up, the overall primary cancer risk in 6840 patients receiving GH as adults was not increased. Elevated SIRs (which is risk of getting cancer) were found for subgroups in the USA cohort defined by age <35 years or childhood onset GH deficiency."
The FDA issued a Safety Alert in August 2011, communicating the fact that a French study found that persons with certain kinds of short stature (idiopathic growth hormone deficiency and idiopathic or gestational short stature) treated with recombinant human growth hormone during childhood and who were followed over a long period of time, were at a small increased risk of death when compared to individuals in the general population of France.
Read more about this topic: Growth Hormone Treatment
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