What question did this study set out to answer?

To determine the effects of human growth hormone on body composition in men over 60 years old.

Effects of Human Growth Hormone in Men over 60 Years Old

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Randomized trial examines body composition changes from human growth hormone in older men, suggesting potential benefits for aging-related decline.

To determine the effects of human growth hormone on body composition in men over 60 years old.
21 healthy men aged 61 to 81 were studied for six months of baseline and six months of treatment.
12 men received human growth hormone subcutaneously three times a week; 9 men received no treatment.
Plasma IGF-I levels and various body composition measures were assessed monthly and at the end of each period.
In group 1, IGF-I levels increased to 500-1500 U/L; group 2 remained below 350 U/L.
Lean body mass increased by 8.8%, adipose tissue mass decreased by 14.4%, and lumbar bone density increased by 1.6% (P<0.05).
Group 2 showed no significant changes in body composition or bone density.

Rudman et al. (1990) studied this question.

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Randomized trial examines body composition changes from human growth hormone in older men, suggesting potential benefits for aging-related decline.