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Insulin Family beginner

Premixed Insulin 50/50

Equal-ratio premixed insulin containing 50% intermediate-acting protamine lispro and 50% rapid-acting insulin lispro.

By Encyclopeptide Editorial | 1 min read
insulin premixed lispro biphasic diabetes

Chemical Identity

PropertyValue
Product NameHumalog Mix 50/50
Components50% protamine lispro + 50% insulin lispro
RouteSubcutaneous
Onset15 minutes

Structure

The 50/50 ratio provides a more prandial-dominant profile compared to 75/25, suitable for patients with significant postprandial hyperglycemia.

Clinical Applications

Used in type 2 diabetes with prominent postprandial glucose excursions. Typically dosed twice daily with major meals.

Pharmacokinetics

  • Onset: 15 minutes
  • Peak: 0.5-1 hour (lispro), 4-8 hours (protamine)
  • Duration: 12-16 hours

Biological Significance

This molecule plays important roles in biological systems and has potential therapeutic applications.

References

  1. Encyclopeptide Database. “Premixed Insulin 50/50” monograph. encyclopeptide.com.

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