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[Obesity, insulin resistance and the implication of thiazolidinediones]

Y Oguma1, K Kataoka

  • 1Sports Medicine Research Center, Keio University.

Nihon Rinsho. Japanese Journal of Clinical Medicine
|March 9, 2000
PubMed

Insights

Thiazolidinediones (TZDs) help reduce insulin resistance in obesity by targeting fat tissue factors. While effective in the short term, long-term effects and cautious use are important considerations.

Area of Science:

  • Metabolic Disorders
  • Pharmacology
  • Obesity Research

Background:

  • Insulin resistance in obesity involves decreased insulin receptor number and glucose transporter 4 function in muscle cells.
  • Free fatty acids and tumor necrosis factor alpha from adipose tissue are implicated in obesity-related insulin resistance.

Purpose of the Study:

  • To review the role of Thiazolidinediones (TZDs) in managing insulin resistance, particularly in obese individuals.
  • To examine the effects of TZDs on body fat composition and insulin sensitivity.

Main Methods:

  • Literature review on the mechanisms of insulin resistance and the therapeutic effects of TZDs.
  • Analysis of studies investigating TZD efficacy in obese patients with insulin resistance.

Main Results:

  • TZDs are effective in reducing insulin resistance and visceral fat within 12-24 weeks, despite potential minor weight gain.
  • The long-term efficacy and safety profile of TZDs require further investigation.

Conclusions:

  • TZDs represent a therapeutic option for obese patients with diabetes unresponsive to other medications.
  • Caution is advised regarding overeating and physical inactivity when using TZDs.

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