Diabetes in Pets
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Protaphane
NPH/Isophane by Novo Nordisk
intermediate-acting r-DNA/GE/GM
U100 Isophane
Line Novo
Also known as Novolin N, ReliOn/Novolin NPH, Insulatard
Similar to  
Action in cats  
  • onset 1-2h,
  • sharp peak 4-6h,
  • duration 8-12h[1][2]
Action in dogs  
  • onset 0.5-3h,
  • peak 2-10h[3],
  • duration 4-24h
Use and Handling
Type cloudy
Shelf Life 30 months
When opened 6 weeks room temp.
In pen 6 weeks room temp.
Notes  
  • roll
  • protect from light
  • Do Not Freeze
  • Do not use if product does not re-suspend
  • Do not use intravenously
  • Do not refrigerate in use cartridges/pens.

Another Novo Nordisk name for its NPH/isophane insulin[4][5][6][7].

Technical details

This type of insulin tends to have an onset of 2-4 hours, a peak action of 4-10 hours, and a total duration of 10-20 hours, in humans.

These times seem to be similar in dogs, but considerably compressed in cats, possibly because of cats' faster metabolism.

Cats seem instead to experience a 1-2 hour onset, a peak action of 4-6 hours, and a total duration of 8-12 hours maximum, according to user surveys on Felinediabetes.com

It is a neutral suspension of isophane insulin crystals[8][9].

Those in North America know it as Novolin N; others call it Insulatard.

It is an intermediate-acting insulin[10] with more than one company producing this type.

Eli Lilly calls theirs Humulin N[11] [12] and Humulin I[13][14], while Aventis has its Insuman Basal[15][16].

Further Reading

Wikicat3.jpg

References

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