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Published on: May 10, 2018
Prevention of type 2 Diabetes Mellitus: Potential of pharmacological agents
Susan L Samson1, Alan J Garber2
1Department of Medicine, Baylor College of Medicine, One Baylor Plaza, ABBR R615, Houston, TX 77030, USA.
Abstract:
People with impaired glucose tolerance or impaired fasting glucose, or "pre-diabetes", are at high risk for progression to type 2 diabetes, as are those with metabolic syndrome or a history of gestational diabetes. Both glucose-lowering and anti-obesity pharmacotherapies have been studied to determine if the onset of type 2 diabetes can be delayed or prevented. Here we review the available data in the field. The most common theme is the reduction in insulin resistance, such as with weight loss, decreasing demands on the beta cell to improve insulin secretion and prolong its function. Overall, therapies which decrease diabetes incidence in high-risk populations delay the onset of diabetes but do not correct the underlying beta cell defect.
Insights
Preventing type 2 diabetes involves therapies that reduce insulin resistance, like weight loss. These treatments delay diabetes onset in high-risk individuals but do not fix the core beta cell issue.
Area of Science:
- Endocrinology
- Metabolic Diseases
- Pharmacology
Background:
- Pre-diabetes, metabolic syndrome, and gestational diabetes history increase type 2 diabetes risk.
- Pharmacotherapies targeting glucose and obesity are investigated for diabetes prevention.
- Insulin resistance is a key factor in pre-diabetes progression.
Purpose of the Study:
- To review data on pharmacotherapies for delaying or preventing type 2 diabetes.
- To analyze the impact of interventions on insulin resistance and beta cell function.
Main Methods:
- Literature review of studies on glucose-lowering and anti-obesity pharmacotherapies.
- Analysis of data concerning diabetes incidence in high-risk populations.
Main Results:
- Therapies commonly reduce insulin resistance, lessening beta cell demand.
- Weight loss and other interventions improve insulin secretion and beta cell longevity.
- Interventions successfully delay the onset of type 2 diabetes.
Conclusions:
- Pharmacotherapies can delay type 2 diabetes in at-risk individuals.
- These treatments primarily address insulin resistance, not the underlying beta cell defect.
- Long-term beta cell function is improved by reducing metabolic stress.
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