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Darbepoetin Alfa

Prescription
Long-Acting Erythropoiesis-Stimulating Agent (ESA)
Last reviewed 21 Apr 2026 · PetCare.AI Editorial Team
Species
Dog, Cat
Brands
1 available
Formulations
1

Mechanism of action

Hyperglycosylated analog of erythropoietin with longer half-life due to additional N-linked carbohydrate chains, allowing less frequent dosing. Stimulates erythroid progenitor proliferation and differentiation.

At a glance

Class
Long-Acting Erythropoiesis-Stimulating Agent (ESA)
Schedule
Prescription
Storage
Refrigerate 2–8°C; do not freeze or shake; protect from light

Dosing

🐕

Dog

Preferred over epoetin due to less frequent dosing and potentially lower immunog
Dose
0.45–1 mcg/kg
Route
SQ
Frequency
Weekly to monthly (based on PCV response)
🐈

Cat

Preferred ESA in cats — lower immunogenicity risk than epoetin alfa
Dose
0.45 mcg/kg
Route
SQ
Frequency
Weekly initially, then taper
Educational reference only
This information is provided for educational purposes and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult a qualified veterinarian before administering any medication to your pet. Find a vet near you →

Formulations

💊

Other — 1

Strength

Storage

Refrigerate 2–8°C; do not freeze or shake; protect from light

Safety

Monitoring parameters

PCV q2 weeks until stable, then monthlyBlood pressureIron statusReticulocyte count
Educational reference only
This information is provided for educational purposes and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult a qualified veterinarian before administering any medication to your pet. Find a vet near you →

Interactions

No documented interactions.

Brands

Other markets

Aranesp

FAQs

Frequently asked questions

What is Darbepoetin Alfa?
Darbepoetin Alfa is a long-acting erythropoiesis-stimulating agent (esa) used in pets. Hyperglycosylated analog of erythropoietin with longer half-life due to additional N-linked carbohydrate chains, allowing less frequent dosing. Stimulates erythroid progenitor proliferation and differentiation.
What is Darbepoetin Alfa used for in pets?
Darbepoetin Alfa is used in veterinary medicine for: Preferred over epoetin due to less frequent dosing and potentially lower immunog; Preferred ESA in cats — lower immunogenicity risk than epoetin alfa.
What is the Darbepoetin Alfa dose for dogs?
For dogs, Darbepoetin Alfa is typically dosed as follows — Preferred over epoetin due to less frequent dosing and potentially lower immunog: 0.45–1 mcg/kg SQ Weekly to monthly (based on PCV response). Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
What is the Darbepoetin Alfa dose for cats?
For cats, Darbepoetin Alfa is typically dosed as follows — Preferred ESA in cats — lower immunogenicity risk than epoetin alfa: 0.45 mcg/kg SQ Weekly initially, then taper. Always consult your veterinarian for a dose tailored to your pet's weight, age, and condition.
Does Darbepoetin Alfa need a prescription?
Yes. Darbepoetin Alfa is a prescription medication and should only be administered under veterinary supervision.
Educational reference only
This information is provided for educational purposes and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always consult a qualified veterinarian before administering any medication to your pet. Find a vet near you →

References

References

The PetCare.AI drug reference is built from 13 authoritative sources cited across 580 drug monographs.

Textbooks & handbooks — 5

  • Plumb's Veterinary Drug Handbook
  • Withrow & MacEwen's Small Animal Clinical Oncology
  • Merck Veterinary Manual
  • NRC Nutrient Requirements of Dogs and Cats
  • Veterinary Pharmacology and Therapeutics (Riviere & Papich)

Clinical guidelines & consensus — 4

  • ASPCA Animal Poison Control Center Guidelines
  • AAHA Diabetes Management Guidelines
  • ASPCA Poison Control Guidelines
  • RECOVER CPR Guidelines

Journals & peer-reviewed studies — 2

  • EPIC Study (J Vet Intern Med 2016)
  • JVIM FAT CAT Study

Regulatory & approvals — 1

  • CDSCO Veterinary Drug Approval Registry (1969–2026)

Databases — 1

  • Washington State University VCPL MDR1 Database
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