Felis ISSN 2398-2950

Insulin glargine

Contributor(s): Rhett Marshell, Prof Jacquie Rand, Dr Linda Fleeman

Introduction

Name

  • Insulin glargine.

Class of drug

  • Insulin analogue.

Description

Molecular formula

  • C267H404N72O78S6.

Molecular weight

  • 6063.

Physical properties

  • Clear, sterile, aqueous solution containing 100 unit/mL insulin glargine.

Storage requirements

  • Should be stored in refrigerator before use, but may be kept for 28 days at room temperature away from direct light and heat (<30°C) when contained within an insulin dosing pen that is in use.
  • Once vials are in use, the manufacturer recommends discarding unused insulin after 28 days. However, problems have not been reported with continued use beyond 28 days.

Uses

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Indications

  • To treat diabetes mellitus   Diabetes mellitus   in cats.
  • To treat diabetic dogs that do not respond to lente or NPH insulin preparations.

Administration

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Pharmocokinetics

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Precautions

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Interactions

with other drugs

  • There are no known interactions of glargine with other drugs, but in general the following drugs may increase or decrease the effect of insulin:
  • Drugs which potentiate the effect of insulin include:
  • Drugs which reduce the glucose lowering effects of insulin include:
    • Corticosteroids.
    • Dobutamine   Dobutamine  .
    • Adrenalin.
    • Thiazide diuretics.
    • Thyroid hormones.

with diagnostic tests

  • Not known.

Adverse Reactions

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Further Reading

Publications

Refereed papers

  • Recent references from VetMed Resource and PubMed.
  • Sparkes A, Cannon M, Church D, Fleeman L Met al(2016)ISFM consensus guidelines on the practical management of diabetes mellitus in cats.J Feline Med Surg17, 235-250 PubMed.
  • Thompson A L, Lathan P, Fleeman L M (2015)Update on insulin treatment for dogs and cats: insulin dosing pens and more.Veterinary Medicine: Research and Reports6, 129-142 https://www.dovepress.com/update-on-insulin-treatment-for-dogs-and-cats-insulin-dosing-pens-and--peer-reviewed-article-VMRR.
  • Hess R S, Drobatz K J (2013)Glargine insulin for treatment of naturally occurring diabetes melllitus in dogs.JAVMA243(8), 1154-1161PubMed.
  • Marshall R D, Rand J S, Gunew M N, Menrath V H (2013)Intramuscular glargine with or without concurrent subcutaneous administration for treatment of feline diabetic ketoacidosis.JVECC23(3), 286-290PubMed.
  • Gilor C, Graves T K (2010)Synthetic insulin analogs and their use in dogs and cats.Vet Clin North Am Small Anim Pract40, 297-307PubMed.
  • Marshall R D, Rand J S, Morton J M (2009)Treatment of newly diagnosed diabetic cats with glargine insulin improves glycemic control and results in higher probability of remission than protamine zinc and lente insulins.J Feline Med Surg11(8), 683-691PubMed.
  • Marshall R D, Rand J S, Morton J M (2008)Insulin glargine has a long duration of effect following administration either once daily or twice daily in divided doses in healthy cats.J Feline Med Surg10, 488-494.
  • Marshall R D, Rand J S, Morton J M (2008)Glargine and protamine zinc insulin have a longer duration of action and result in lower mean daily glucose concentrations than lente insulin in healthy cats.J Vet Pharmacol Ther31, 205-212PubMed.

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