Recombinant human growth hormone for AIDS-associated wasting.
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OBJECTIVE
To review the current literature regarding the role of recombinant human growth hormone (rhGH) in the treatment of AIDS-associated wasting and to briefly describe alternative therapies.
METHODS
A literature search was performed on MEDLINE and AIDSLINE for the period from January 1985 through September 1997. Key words used in the search strategy were growth hormone, human immunodeficiency virus, acquired immune deficiency syndrome, wasting, and weight gain.
METHODS
All articles were considered for possible inclusion in this review. Abstracts were included only when they were judged to add critical information. Thereafter, the inclusion was restricted to English-language articles and abstracts on clinical trials and human studies in AIDS-associated wasting.
RESULTS
Body wasting, characterized by an involuntary loss of body cell mass, is a well-recognized feature of many chronic diseases, including infection with HIV AIDS-associated wasting is a metabolic disorder characterized by weight loss, depletion of lean body mass (LBM), and preservation of body fat, leading to muscle weakness and organ failure. rhGH has been approved by the Food and Drug Administration for use in treating AIDS-associated wasting. The adverse event profile is similar to that of other rhGH products. The recommended dosage of rhGH is 4-6 mg administered by subcutaneous injection daily. It offers a more expensive alternative to appetite stimulants such as megestrol acetate and dronabinol.
CONCLUSIONS
Trials with rhGH on the control of wasting in patients with AIDS have been encouraging, but with limited conclusive evidence of sustainable positive outcomes. Studies demonstrate that rhGH increases LBM and decrease adipose tissue, but how these translate into long-term outcomes such as decreased hospitalization, morbidity, and mortality has yet to be determined. A formal health economic assessment is needed to properly determine the impact of rhGH on the healthcare system.
