Revisiting clinical trials on glycemic control and cardiovascular risk

Sandra Roberta Gouvea Ferreira1

  • 1Nutrition Department, School of Public Health, University of São Paulo, Brazil. sandrafv@usp.br.

Insights

Strict glycemic control does not solely reduce cardiovascular risk in type 2 diabetes. Recent trials show mixed results, suggesting other factors are crucial for managing cardiovascular risk in long-term diabetes patients.

Area of Science:

  • Cardiology
  • Endocrinology
  • Metabolic Diseases

Background:

  • Examined clinical trials on glycemic control and cardiovascular risk reduction.
  • Highlighted the UK Prospective Diabetes Study (UKPDS) as a foundational trial.
  • Introduced controversial recent trials: ACCORD, ADVANCE, and VADT.

Discussion:

  • Discussed the controversy surrounding strict glycemic control (normal glycated hemoglobin).
  • Addressed the lack of conclusive evidence that strict control alone reduces cardiovascular risk.
  • Explored potential reasons behind the controversial findings in recent trials.

Key Insights:

  • Glycemic control alone is insufficient to mitigate cardiovascular risk in complicated, long-term type 2 diabetes mellitus.
  • Evidence from ACCORD, ADVANCE, and VADT challenges the universal benefit of intensive glucose lowering.
  • Individual patient factors likely play a significant role in cardiovascular outcomes.

Outlook:

  • Further research is needed to understand the multifactorial nature of cardiovascular risk in diabetes.
  • Exploring alternative or complementary strategies alongside glycemic control is essential.
  • Personalized treatment approaches may be necessary for optimizing cardiovascular outcomes in type 2 diabetes.

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