Effects of Pramlintide on Endogenous Production of Very-low-density-lipoprotein (VLDL)-Triglyceride and Glucose in the Post Prandial State in T2DM

Overview

Diabetes affects almost 21 million people in the United States. In this study we will test a drug called Pramlintide(Symlin), and see how it works to lower blood sugar and fat levels after a meal. Lowering high sugar levels and fat levels after a meal is very important in the prevention of the problems that persons with type 2 diabetes often encounter. Hypothesis is that Pramlintide will lower blood sugar and fat levels after a meal.

A well recognized and troublesome feature of diabetes management is the exacerbated post prandial glucose elevations following a typical high fat meal. To date the mechanisms driving this increased post prandial glycemia are unclear. Pramlintide is believed to affect intermediary metabolism as well as nutrient absorption. The relative contributions from altered absorption and metabolism to the observed post prandial reductions in plasma glucose and TG concentrations remain uncertain, however. Combinations of radioactive and stable isotope labeling techniques are able to quantify the relevant fluxes of glucose and lipids in vivo in humans and are therefore able to provide quantitative answers to these questions. Aims: 1. To determine the effects of Pramlintide on reducing endogenous production of very-low-density-lipoprotein (VLDL)-triglycerides(TG) following a high fat breakfast, lunch and dinner in patients with type 2 diabetes mellitus (T2DM). A triple isotope approach will be used to determine rate of appearance of (VLDL)-triglycerides following breakfast, lunch and dinner. 2. To compare the relative roles of slowed glucose absorption and reduced endogenous glucose production (glucagonstatic mechanism) in the glucose-lowering effects of Pramlintide in the post prandial state in patients with T2DM.

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