Effects of Growth Hormone and Pioglitazone in Viscerally Obese Adults with Impaired Glucose Tolerance: A Factorial Clinical Trial
2007

Effects of Growth Hormone and Pioglitazone in Obese Adults with Impaired Glucose Tolerance

Sample size: 62 publication Evidence: moderate

Author Information

Author(s): Attallah Hamdee, Friedlander Anne L, Nino-Murcia Matilde, Hoffman Andrew R

Primary Institution: Wayne State University

Hypothesis

The combination of growth hormone and pioglitazone attenuates GH-induced increases in glucose concentrations, reduces visceral adipose tissue, and improves insulin sensitivity over time.

Conclusion

The addition of pioglitazone to growth hormone treatment reduced visceral fat and insulin resistance in obese adults with impaired glucose tolerance.

Supporting Evidence

  • GH treatment resulted in significant reductions in visceral fat area.
  • Insulin resistance declined with pioglitazone treatment.
  • Combination treatment with GH and PIO improved insulin sensitivity.

Takeaway

This study found that using two medications together can help people who are overweight and have trouble with blood sugar levels by reducing belly fat and making their bodies better at using insulin.

Methodology

Randomized, double-blind, placebo-controlled, 2 × 2 factorial design over 40 weeks.

Potential Biases

The study was not designed to detect statistically significant differences in side effects between groups.

Limitations

The study did not directly measure the likelihood of developing diabetes as an outcome.

Participant Demographics

Participants were 62 abdominally obese adults aged 40–75 with impaired glucose tolerance.

Statistical Information

P-Value

p = 0.02

Confidence Interval

95% CI −49.9 to −6.3 cm2

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pctr.0020021

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