Type 2 Diabetes Mellitus: Pathophysiology, Management, and Future Directions

Insulin Resistance Hyperglycemia Risk Factors Management Personalized Medicine

Authors

  • Zulfkar Qadrie Department of Pharmacology, Government Medical College Baramulla
  • Humaira Ashraf Department of Animal Nutrition, SKUAST-K, Srinagar, India
  • Mohd Altaf Dar Department of Pharmacology, CT Institute of Pharmaceutical Sciences, PTU, Jalandhar Punjab
  • Afshana Qadir Nursing Tutor, Government College of Nursing Baramulla
March 26, 2025

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Type 2 Diabetes Mellitus (T2DM) is a prevalent and escalating chronic metabolic disorder, affecting millions globally. It is characterized by a combination of insulin resistance, where the body's cells fail to respond adequately to insulin, and impaired insulin secretion, which leads to chronically elevated blood glucose levels. Over time, this dysregulation of glucose metabolism results in a variety of complications, including cardiovascular disease, kidney failure, neuropathy, and retinopathy, significantly contributing to morbidity and mortality worldwide. The pathophysiology of T2DM involves complex genetic, environmental, and lifestyle factors. Obesity, physical inactivity, poor dietary habits, and family history are some of the key risk factors. As the disease progresses, beta-cell dysfunction in the pancreas further exacerbates insulin secretion issues. Clinically, T2DM is often asymptomatic in its early stages, but common manifestations include polyuria, polydipsia, and fatigue. Diagnosis is typically confirmed through blood tests, including fasting blood glucose levels and HbA1c tests. Management of T2DM is multifaceted, including lifestyle modifications such as weight management, regular physical activity, and dietary changes. Pharmacologic interventions, such as metformin, sulfonylureas, and insulin therapy, are common, though emerging therapies such as GLP-1 receptor agonists, SGLT2 inhibitors, and personalized medicine approaches are gaining prominence. Additionally, technological advancements, like continuous glucose monitoring and artificial pancreas systems, are revolutionizing diabetes care. Future research is focusing on novel therapies aimed at restoring beta-cell function, gene therapy, and precision medicine tailored to individual patient profiles. These innovations promise improved outcomes and a more effective management paradigm for T2DM.

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