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Insulin sensitivity and HOMA-IR

Insulin sensitivity and HOMA-IR

Table 3 shows the zensitivity AUC values for ages Angiogenesis and ocular diseases 30, 50, and 70 Senzitivity in our Spanish population. The possibility of Insulin sensitivity and HOMA-IR insulin sensitivity in animals using a simpler and less traumatic method is, thus, highly interesting for experimental research. Appleton DJ, Rand JS, Sunvold GD. The Homeostasis Model Assessment of IR HOMA-IR has proved to be a robust tool for the surrogate assessment of IR [ 1314 ].

Insulin sensitivity and HOMA-IR -

Keywords: Homeostasis model assessment—insulin resistance HOMA-IR , Sodium-glucose cotransporter 2 SGLT2 inhibitor , Hyperinsulinemic-euglycemic clamp , Insulin sensitivity , Insulin resistance.

JOURNAL FREE ACCESS FULL-TEXT HTML. Published: Received: September 27, Released on J-STAGE: May 28, Accepted: December 27, Advance online publication: February 06, Revised: -.

Full-text HTML Download PDF K Download citation RIS compatible with EndNote, Reference Manager, ProCite, RefWorks. Article overview. References Related articles 0.

Figures 1. Content from these authors. Supplementary material 0. Result List. Previous article Next article. Related articles. Share this page. Register with J-STAGE for free! However, when a euglycaemic—hyperinsulinaemic clamp was performed, no difference in insulin-mediated glucose disposal could be discerned.

They also pointed out that in their experimental cohort none of these surrogate estimates of insulin sensitivity was superior to simple measurement of fasting plasma insulin concentrations in predicting insulin sensitivity.

Finally, in their discussion of differences between insulin sensitivity measured with the clamp and surrogate estimates, they also addressed the distinction between peripheral as opposed to hepatic insulin resistance.

If HOMA-IR does not measure insulin-mediated glucose disposal as does the clamp, what does it measure? Perhaps the best way to begin is by pointing out that the clamp provides a measure of total body insulin sensitivity: the ability of insulin to stimulate glucose uptake by muscle and inhibit hepatic glucose output.

However, as pointed out by Pisprasert and associates [ 2 ], in non-diabetic individuals, the degree of hyperinsulinaemia attained during the clamp study is assumed to be high enough to completely inhibit hepatic glucose production. Thus, in this situation, the clamp technique provides a measure of peripheral insulin action.

The fact that HOMA-IR does not provide a very precise estimate of peripheral insulin action seems to have led to the notion that it must be a measure of the ability of insulin to inhibit hepatic glucose production in the fasting state.

However, there is no a priori reason to accept this point of view. There are isotopic techniques for measuring hepatic glucose production, and it is possible to conduct experiments to quantify the ability of varying amounts of insulin to inhibit hepatic glucose production.

Obviously, such experiments must be performed at a lower insulin concentration than is normally used in euglycaemic—hyperinsulinaemic clamp studies so as not to achieve total inhibition of hepatic glucose production in every participant.

To the best of my knowledge, no such studies have been performed to define the degree of correlation between calculation of HOMA-IR and direct measurement of insulin inhibition of hepatic glucose production.

Until that has been accomplished, it seems to me that considerable caution should be exercised in using HOMA-IR as an accurate measure of total body, peripheral or hepatic insulin resistance.

Goldfine AB, Conlin PR, Halperin F et al A randomised trial of salsalate for insulin resistance and cardiovascular risk factors in persons with abnormal glucose tolerance.

Diabetologia — Article PubMed CAS Google Scholar. Pisprasert V, Ingram KH, Lopez-Davila MF, Munoz AJ, Garvey WT Limitations in the use of indices using glucose and insulin levels to predict insulin sensitivity: impact of race and gender and superiority of the indices derived from oral glucose tolerance test in African Americans.

Diabetes Care — Article PubMed Google Scholar. Matthews DR, Hosker JP, Rudenski AS, Naylor BA, Treacher DF, Turner RC Homeostasis model assessment: insulin resistance and beta-cell function from fasting plasma glucose and insulin concentrations in man.

Katz A, Nambi SS, Mather K et al Quantitative Insulin Sensitivity Check Index: a simple, accurate method for assessing insulin sensitivity in humans.

J Clin Endocrinol Metab — Matsuda M, DeFronzo RA Insulin sensitivity indices obtained from oral glucose tolerance testing: comparison with the euglycemic insulin clamp. Stumvoll M, Mitrakou A, Pimenta W et al Use of the oral glucose tolerance test to assess insulin release and insulin sensitivity.

Download references. Falk CVRC, Stanford Medical Center, Pasteur Dive, Stanford, CA, , USA. You can also search for this author in PubMed Google Scholar.

Correspondence to G. Reprints and permissions. Reaven, G. What do we learn from measurements of HOMA-IR?.

Diabetologia 56 , — Download citation. Received : 11 April Accepted : 23 April Published : 31 May Issue Date : August

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