Dual self-regulated delivery of insulin and glucagon by a hybrid patch

Proc Natl Acad Sci U S A. 2020 Nov 24;117(47):29512-29517. doi: 10.1073/pnas.2011099117. Epub 2020 Nov 11.

Abstract

Reduced β-cell function and insulin deficiency are hallmarks of diabetes mellitus, which is often accompanied by the malfunction of glucagon-secreting α-cells. While insulin therapy has been developed to treat insulin deficiency, the on-demand supplementation of glucagon for acute hypoglycemia treatment remains inadequate. Here, we describe a transdermal patch that mimics the inherent counterregulatory effects of β-cells and α-cells for blood glucose management by dynamically releasing insulin or glucagon. The two modules share a copolymerized matrix but comprise different ratios of the key monomers to be "dually responsive" to both hyper- and hypoglycemic conditions. In a type 1 diabetic mouse model, the hybrid patch effectively controls hyperglycemia while minimizing the occurrence of hypoglycemia in the setting of insulin therapy with simulated delayed meal or insulin overdose.

Keywords: glucagon delivery; glucose-responsive; hypoglycemia; insulin delivery; microneedle patch.

Publication types

  • Research Support, N.I.H., Extramural
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Blood Glucose / analysis
  • Blood Glucose / drug effects
  • Blood Glucose / metabolism
  • Delayed-Action Preparations / administration & dosage
  • Delayed-Action Preparations / chemistry
  • Delayed-Action Preparations / pharmacokinetics
  • Diabetes Mellitus, Experimental / blood
  • Diabetes Mellitus, Experimental / chemically induced
  • Diabetes Mellitus, Experimental / diagnosis
  • Diabetes Mellitus, Experimental / drug therapy*
  • Diabetes Mellitus, Type 1 / blood
  • Diabetes Mellitus, Type 1 / chemically induced
  • Diabetes Mellitus, Type 1 / diagnosis
  • Diabetes Mellitus, Type 1 / drug therapy*
  • Drug Combinations
  • Drug Compounding / methods
  • Drug Delivery Systems / methods*
  • Drug Liberation
  • Drug Overdose / prevention & control
  • Glucagon / administration & dosage*
  • Glucagon / chemistry
  • Glucagon / pharmacokinetics
  • Humans
  • Hypoglycemic Agents / administration & dosage*
  • Hypoglycemic Agents / chemistry
  • Hypoglycemic Agents / pharmacokinetics
  • Insulin / administration & dosage*
  • Insulin / chemistry
  • Insulin / pharmacokinetics
  • Male
  • Mice
  • Polymerization
  • Solubility
  • Streptozocin
  • Transdermal Patch

Substances

  • Blood Glucose
  • Delayed-Action Preparations
  • Drug Combinations
  • Hypoglycemic Agents
  • Insulin
  • Streptozocin
  • Glucagon