Paper II
2019 July (Supplementary) (2010 Scheme)

Question

Enumerate the newer insulin analogues. What is the advantage of using insulin analogues over conventional insulin. How will you manage insulin resistance. (2+2+2)

Q16 marksEssays

Answer

Newer insulin analogues

  • Rapid-acting: Insulin lispro, Insulin aspart, Insulin glulisine
  • Long-acting: Insulin glargine, Insulin detemir, Insulin degludec

Advantages over conventional (human/regular/NPH) insulin

  • Rapid-acting analogues: faster onset and shorter duration → better postprandial glucose control, less late postprandial hypoglycaemia, can be given immediately before meals
  • Long-acting analogues: provide a steady, peakless basal insulin level → lower risk of nocturnal hypoglycaemia, once-daily dosing

Management of insulin resistance

  • Lifestyle modification: weight reduction, regular exercise, dietary changes
  • Metformin: first-line, improves peripheral insulin sensitivity
  • Thiazolidinediones (Pioglitazone): improve insulin sensitivity via PPAR-γ activation
  • Higher insulin doses or concentrated insulin formulations (e.g., U-500) may be required in severe resistance
  • Address underlying contributing factors (obesity, PCOS, medications causing insulin resistance)

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