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The relation between glycemic control and HDL-C in type 2 diabetes: a preliminary step forward?

G Barbarossa1, A Renzi1, L D'Erasmo1

  • 1Dipartimento di Medicina Interna e Specialità Mediche, Sapienza Università di Roma, Rome, Italy.

Diabetes Research and Clinical Practice
|January 29, 2014
PubMed

Insights

Improving blood sugar control in type 2 diabetes (T2D) did not raise HDL-C overall. However, in patients with low baseline HDL-C, better glycemic control was linked to higher HDL-C levels.

Area of Science:

  • Cardiology
  • Endocrinology
  • Metabolic Diseases

Background:

  • Low high-density lipoprotein cholesterol (HDL-C) is a risk factor for cardiovascular (CV) disease, particularly in type 2 diabetes (T2D).
  • Current therapies aimed at increasing HDL-C have not proven effective in reducing CV risk.
  • The relationship between glycemic control and HDL-C levels in T2D requires further investigation.

Purpose of the Study:

  • To evaluate the impact of improved glycemic control on HDL-C levels in patients with type 2 diabetes.
  • To explore potential correlations between glycemic control improvements and HDL-C changes, especially in subgroups with low baseline HDL-C.

Main Methods:

  • A 6-month intervention study was conducted.
  • Participants with type 2 diabetes underwent interventions aimed at improving glycemic control.
  • Changes in HbA1c and HDL-C levels were measured before and after the intervention.

Main Results:

  • The intervention led to a significant improvement in HbA1c levels.
  • Overall, HDL-C levels did not show a significant improvement.
  • In a subgroup analysis, patients with initially low HDL-C levels demonstrated a significant inverse relationship between improved HbA1c and HDL-C levels.

Conclusions:

  • Intensified glycemic control may positively influence HDL-C levels in type 2 diabetes patients with low baseline HDL-C.
  • Further research is warranted to explore the therapeutic potential of glycemic control for modulating HDL-C and reducing cardiovascular risk in T2D.
  • The findings suggest a potential benefit of optimizing blood glucose management for lipid profiles in specific T2D populations.

Keywords:
Glycated haemoglobinGlycemic controlHDL-cholesterolType 2 diabetes

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